[C# Helper]
Index Books FAQ Contact About Rod
[Essential Algorithms, Second Edition]

[The Modern C# Challenge]

[WPF 3d, Three-Dimensional Graphics with WPF and C#]

[The C# Helper Top 100]

[Interview Puzzles Dissected]

[C# 24-Hour Trainer]

[Beginning Software Engineering]

[C# 5.0 Programmer's Reference]

[MCSD Certification Toolkit (Exam 70-483): Programming in C#]

WARNING!

This site is slowly being rewritten, so MANY of the following How To links currently do not work.

❤️=rebuilt, 😔=not rebuilt

If the example you need is missing, email me the example's name and/or URL and I'll try to get it for you as soon as I can.

Sorry about any inconvenience and thank you for your patience!

5/12/2022 ❤️  "Interview Puzzles Dissected" sample puzzle: We Robots
5/12/2022 ❤️  "Interview Puzzles Dissected" sample puzzle: Three Birds
4/30/2022 ❤️ Use VBA to extract notes form a PowerPoint presentation
1/3/2022 ❤️ Copy folder structure in C#
1/2/2022 ❤️ Unblock files received from email or the internet in C#
12/2/2021 ❤️ Find palindrome dates in C#
11/10/2021 ❤️ Use regular expressions to rename files in a directory hierarchy in C#
11/6/2021 ❤️ Copy a C# project
10/1/2021 ❤️ Remove all event handlers from an event in C#
7/28/2021 ❤️ Display a colored battery status in C#
6/24/2021 ❤️ How to tabulate ranked voting in C#
6/13/2021 ❤️ Select rectangular areas in an image in WPF and C#
3/10/2021 ❤️ Use VBA code to add and remove a watermark on all pages in a Word document
3/5/2021 ❤️ Graph the gamma function in C#
2/28/2021 ❤️ Calculate the gamma function in C#
2/23/2021 ❤️ Find rectangles defined by a side and aspect ratio in C#
2/12/2021 ❤️ Zip files with the ZipFile class in C#
2/5/2021 ❤️ Simulate a doubling betting strategy in C#
1/28/2021 ❤️ Easily save and restore CheckedListBox values in the Registry in C#
1/26/2021 ❤️ Use k-means clustering to find clusters of data in C#
1/26/2021 😔 Automatically set camera distance in WPF and C#
1/19/2021 ❤️ Make numbered buttons in C#
12/1/2020 ❤️ Enlarge a polygon that has colinear vertices in C#
11/19/2020 ❤️ Use the mouse wheel to scale images while cropping them to a desired aspect ratio in C#
11/16/2020 😔 Allow scrolling while making a hexagonal montage in C#
11/6/2020 😔 Use XAML data binding to display an animated rectangle's location
10/31/2020 😔 Print product signs in C#
10/26/2020 😔 Display flash cards in C#
10/15/2020 😔 Label images at the bottom in C#
10/11/2020 😔 Split images into halves in C#
10/9/2020 😔 Allow scrolling while making a diagonal picture montage in C#
9/30/2020 😔 Find controls by name in WPF with C#
9/23/2020 😔 Let the user scribble on a background image in C#
9/21/2020 😔 Insert a table into a RichTextBox in C#
9/20/2020 😔 Draw a radar chart in C#
9/17/2020 😔 Revised: Graph world total COVID-19 cases, deaths, and recoveries in C#
9/16/2020 ❤️ Create button images in WPF and C#
9/8/2020 😔 Overlay parts of images in C#
9/7/2020 😔 Brighten pixels in an image in C#
9/5/2020 😔 Perform binary contrast enhancement more quickly in C#
9/2/2020 😔 Save a RichTextBox image in C#
8/31/2020 😔 Expand a ComboBox when the user presses Enter in C#
8/27/2020 😔 Make a blended composite image in C#
8/19/2020 ❤️ Crop scaled images to a desired aspect ratio in C#
8/15/2020 😔 Colorize images in C#
8/6/2020 ❤️ Test graphical transformations in C#
7/31/2020 😔 Use VBA code to pick random cells from a filtered selection in an Excel workbook
7/31/2020 ❤️ Make multi-image icons from files in C#
7/29/2020 ❤️ Make multi-image icon files in C#
7/23/2020 😔 Use command line arguments to open files in C#
7/21/2020 😔 Make a digital clock in C#
7/20/2020 😔 Draw LED-style letters in C#
7/19/2020 ❤️ Use Microsoft Print to PDF to create a PDF file in C#
7/13/2020 😔 Use menu commands with shortcuts to save and restore user-drawn polygons in C# and WPF
7/12/2020 😔 Pingback: Code Project post "Clipping Plane in WPF 3D"
7/10/2020 😔 Sprialize an image in C#
7/7/2020 😔 Let the user edit polygons in WPF and C#
7/7/2020 😔 Let the user draw a polygon in WPF and C#
7/6/2020 😔 Fill a target area found by trilateration in C#
7/3/2020 😔 Perform trilateration in C#
6/27/2020 😔 Draw many circles that intersect two points in C#
6/22/2020 😔 Connect two points with elliptical arcs in C#
6/20/2020 😔 Connect two points with arcs of midpoint circles in C#
6/18/2020 😔 Improve the program that displays COVID-19 data for US states in C#
6/13/2020 😔 Use VBA to make a Gantt chart showing work schedules
6/9/2020 😔 Create a Contain FillMode for filling polygons in C#
6/5/2020 😔 Find the angle between two vectors in C#
6/1/2020 😔 Crop scaled images to specific sizes in C#
5/31/2020 😔 Create a schedule for a round robin tournament with home teams in C#
5/25/2020 😔 Understand fill modes in C#
5/16/2020 😔 Display COVID-19 data for US states in C#
5/14/2020 😔 Make a random tree of generic TreeNode objects in C#
5/13/2020 😔 Quick COVID-19 update
5/6/2020 😔 Prevent "underlying connection was closed" errors in C#
5/3/2020 😔 Graph world total COVID-19 cases, deaths, and recoveries in C#
4/30/2020 😔 Understand bitwise operators in C#
4/27/2020 😔 Make bitmap extension methods that resize bitmaps in C#
4/26/2020 😔 Resize pictures in a directory to specific widths or heights in C#
4/23/2020 😔 Use code to make a slideshow in C# and WPF
4/17/2020 😔 Graph COVID-19 recoveries and deaths per resolution in C#
4/16/2020 😔 Graph COVID-19 deaths and deaths per million in C#
4/13/2020 😔 Graph COVID-19 cases per million in C#
4/11/2020 😔 Align graphs of COVID-19 case data in C#
4/8/2020 😔 Load a picture and manipulate pixels in WPF and C#
4/7/2020 😔 Download and graph COVID-19 case data in C#
4/7/2020 😔 Build a Windows process tree in C#
4/6/2020 😔 Draw lines with gaps to show they are passing under other lines in C#
4/1/2020 😔 Recommended Book on CD: "The Serpent of Venice" by Christopher Moore
3/31/2020 😔 Animate maze solving, version 3
3/30/2020 😔 Animate maze solving, version 2
3/26/2020 😔 Quarantine Reading Suggestions
3/25/2020 😔 Recommended Book on CD: "Fool" by Christopher Moore
3/25/2020 😔 Animate maze solving, version 1
3/23/2020 😔 Solve mazes in C#
3/22/2020 😔 Make a simple program to analyze COVID-19 symptoms in C#
3/12/2020 😔 Move and resize polygons in WPF and C#
3/10/2020 😔 Move and resize multiple shapes in WPF and C#
3/7/2020 😔 Draw a horizontal compass in C#
2/25/2020 😔 Load enums at runtime to understand them and their attributes in C#
2/19/2020 😔 Draw an image circle in C#
2/10/2020 😔 Use the ColorMatrix and ImageAttributes classes to quickly modify image colors in C#
2/5/2020 😔 Draw a rounded polygon in C#
1/30/2020 😔 Use big toolstrip buttons in C#
1/27/2020 😔 Rotate images to straighten them in C#
1/23/2020 😔 Make a hexagonal montage of pictures in C#
1/20/2020 😔 Find drawn characters under the mouse in C#
1/16/2020 😔 Clip an image to a polygon in C#
1/9/2020 😔 Build a polygon selector class in C#
1/5/2020 😔 Arrange images on the corners of a polygon in C#
12/26/2019 😔 Make an improved diagonal picture montage in C#
12/20/2019 😔 Use VBA to randomize Excel selections
12/18/2019 😔 Understand range areas in Excel VBA
12/13/2019 😔 Let the user draw rotated skewed polygons in C#
12/8/2019 😔 Let the user draw rotated polygons with right angles in C#
12/4/2019 😔 Let the user save an image of a smooth curve in C#
11/28/2019 😔 Use a sprite class to animate bouncing cats in C#
11/19/2019 😔 Draw interlocked circles in C#
11/8/2019 😔 Draw arc wedges in C#
11/4/2019 😔 Make an Apollonian gasket filled with images in C#
10/27/2019 😔 Draw an image spiral in C#
10/22/2019 😔 Draw an improved heartagram in C#
10/18/2019 😔 Draw a heartagram in C#
10/14/2019 😔 Connect two line segments with a circular arc in C#
10/8/2019 😔 Crop images to specific sizes in C#
10/5/2019 😔 Draw on top of a background image in C#
10/2/2019 😔 Make a Word document with one picture on each page in C#
9/28/2019 😔 See which section is under the mouse in a sunburst chart in C#
9/25/2019 😔 Let the user drag ListBox items in C#
9/23/2019 😔 Let the user arrange ListBox items in C#
9/18/2019 😔 Make a Pinterest-style diagonal picture montage in C#
9/8/2019 😔 Study a fascinating color illusion in C#
9/3/2019 😔 Print circles centered inside other closely packed circles in C#
8/30/2019 😔 Change a DataGridView entry when the user double-clicks a cell in C#
8/28/2019 😔 Flow words around drop caps in C#
8/19/2019 😔 Flow words around obstacles for document layout in C#
8/17/2019 😔 Flow blocks around obstacles for document layout in C#
8/4/2019 😔 Serialize and deserialize multiple images in files in C#
7/31/2019 😔 Serialize and deserialize multiple images in C#
7/29/2019 ❤️ Let the user drag pictures in a picture list in C#
7/24/2019 ❤️ Improve the picture list in C#
7/22/2019 ❤️ Make a picture list in C#
7/18/2019 😔 Draw text with colors reversed along a sine wave in C#
7/17/2019 😔 Draw text with colors reversed along a diagonal line in C#
7/15/2019 😔 Draw text with colors reversed in its upper and lower halves in C#
7/13/2019 😔 Draw random rectangles in C#
7/10/2019 😔 Save a bitmap showing user drawn line segments in C#
7/3/2019 ❤️ Transparentify JPG images in C#
6/27/2019 😔 Make an image with rounded corners and a transparent background in C#
6/26/2019 😔 Add a watermark to all of the files in a directory in C#
6/23/2019 😔 Center text above or below a line segment in C#
6/21/2019 😔 Resize images in C#
6/18/2019 😔 Combine image slices in C#
6/13/2019 😔 Adjust an image's opacity in C#
6/11/2019 😔 Find hexes a certain distance from a target hex in C#
6/10/2019 😔 Let the user draw a polyline in WPF and C#
6/7/2019 😔 Let the user draw, move, and modify an arc in C#, Part 2
6/6/2019 😔 Let the user draw, move, and modify an arc in C#, Part 1
6/5/2019 😔 See whether a point is above an arc in C#
6/2/2019 😔 Make a pie slice drawing extension in WPF and C#
5/28/2019 😔 Book Review: Mission Python: Code a Space Adventure Game!
5/26/2019 ❤️  Essential Algorithms, Second Edition: A Practical Approach to Computer Algorithms Using Python and C#
5/20/2019 😔 Make an intuitive extension method to draw an elliptical arc in WPF and C#
5/17/2019 😔 Draw an elliptical arc in WPF and XAML
5/15/2019 😔 Make drawing extension methods in WPF and C#
5/10/2019 😔 Make an image containing shadowed text in WPF and C#
5/8/2019 😔 "WPF 3d" is now available for Kindle
5/7/2019 😔 New page: Favorite Books
5/6/2019 😔 Use transparency when drawing with anti-aliasing in C#
5/1/2019 😔 Graph equations while preserving aspect ratio in WPF and C#
5/1/2019 ❤️  Book: WPF 3d, Three-Dimensional Graphics with WPF and C#
4/30/2019 😔 Graph equations entered by the user in WPF and C#
4/24/2019 😔 Use XAML and code behind to draw and outline shapes with gradients in WPF and C#
4/22/2019 😔 Let the user draw a smooth curve with WPF and C#
4/17/2019 😔 Draw a smooth closed curve in WPF and C#
4/15/2019 😔 Draw a smooth curve in WPF and C#
4/13/2019 😔 Let the user draw a smooth curve in C#
3/29/2019 😔 Delete files from multiple folders quickly and easily in C#
3/27/2019 😔 Use sines and cosines to draw circles and ellipses in C#
3/26/2019 😔 "WPF 3d" code is avialable on GitHub
3/22/2019 😔 Calculate the great circle distance between two latitudes and longitudes in C#
3/15/2019 😔 Load Excel records into a DataGridView in C#
3/13/2019 😔 Make a picture with a transparent hole in it in C#
3/8/2019 😔 Let the user zoom on a picture and draw in C#
2/17/2019 😔 List strings with a particular style in a Microsoft Word document in C#
2/13/2019 😔 Segmented Turning Helper, Version 3
1/31/2019 😔 Make a Word document with multiple pages in C#
1/29/2019 😔 Solve Geometric Problems with C#
1/24/2019 😔 Pingback: Code Project post "Orbital Mechanics Introduction, Part 2"
1/24/2019 😔 Quick notes on the recent Windows update
1/17/2019 😔 Why you should study algorithms (plus a free book drawing)
1/10/2019 😔 Save and restore lines drawn by a WPF line editor in C#
1/6/2019 😔 Convert camel case into underscore case in C#
12/27/2018 😔 Create sized oval images in C#
12/24/2018 😔 Use WPF 3d techniques to draw a snowman with WPF and C#
12/20/2018 😔 Pingback: Code Project post "Clipping Plane in WPF 3D"
12/13/2018 😔 Create oval images in C#
12/8/2018 😔 Draw a randomly colored Sierpinski pentagon in C#
12/1/2018 😔 Let the user draw lines in C#
11/27/2018 😔 Book review: Python for Kids: A Playful Introduction To Programming
11/26/2018 😔 Use a standard Windows dialog to let the user select folders in C#
11/23/2018 😔 Gary Beene's gbUnSnarl game
11/14/2018 😔 Find happy numbers in C#
11/12/2018 UPDATED: 😔 Draw a hypotrochoid (Spirograph curve) in C#
11/8/2018 😔 Draw words on a circle in WPF and C#
11/6/2018 😔 Draw a hyperbolic spiral in C#
11/1/2018 😔 Draw a logarithmic spiral in C#
10/30/2018 😔 Draw a filled spiral in C#
10/29/2018 ❤️  Book: The Modern C# Challenge: Become an expert C# programmer by solving interesting programming problems
10/26/2018 😔 Draw an Archimedes spiral in C#
10/22/2018 😔 Make a custom component in C#
10/17/2018 😔 Tile a board with randomly colored trominoes in C#
10/12/2018 😔 Tile a board with colored trominoes in C#
10/9/2018 😔 Tile a board with trominoes in C#
10/5/2018 😔 Draw text wrapped to fit columns in C#
10/4/2018 😔 Draw a randomly colored Sierpinski pentagon in C#
10/1/2018 😔 Draw a colored Sierpinski pentagon in C#
9/30/2018 😔 Initialize TextBox contents for the computer's locale in C#
9/26/2018 😔 Use label controls to draw a simple labeled histogram in C#
9/24/2018 😔 Draw a simple labeled histogram in C#
9/20/2018 😔 Rename files after their modification dates in C#
9/17/2018 😔 Find a Ducci sequence in C#
9/10/2018 😔 Encode and decode Futurama's alienese in C#
9/5/2018 😔 Separate glyphs in an image in C#, Part 2
9/3/2018 😔 Separate glyphs in an image in C#, Part 1
8/26/2018 😔 Videos vs Animated GIFs - Pros and Cons
8/23/2018 ❤️ Graph points in WPF and C#
8/13/2018 😔 Search files for target text in C#
8/9/2018 😔 Write Console window output to multiple places in C#
8/7/2018 😔 Redirect Console window output to a TextBox in C#
7/30/2018 ❤️ Get a weather forecast from openweathermap.org in C#
7/27/2018 😔 Draw rose curves in C#
7/23/2018 😔 Find two sets where the median of one is the mean of the other and vice versa in C#
7/19/2018 😔 Trim images in C#
7/16/2018 😔 Find Mersenne primes in C#
7/12/2018 😔 Display a progress bar with text in WPF and C#
7/10/2018 😔 Convert between ragged arrays and two-dimensional arrays
7/6/2018 😔 Perform image hashing in C#
6/25/2018 😔 Use the automatic code converters at developerFusion to convert C# code into Visual Basic, Ruby, and Python
6/20/2018 😔 Copy ListView data into an array in C#
6/19/2018 😔 Draw the spiral of Theodorus in C#
6/15/2018 ❤️ Add LINQ to autocomplete in C#
6/14/2018 ❤️ Improve autocomplete suggestion in C#
6/13/2018 ❤️ Suggest autocomplete words in C#
6/12/2018 😔 Build an MRU list that uses project settings in C#
6/11/2018 😔 Build an MRU list in C#
6/8/2018 😔 Useful tools and links
6/7/2018 😔 Get information about Windows shortcuts in C#
6/6/2018 😔 List the shortcuts in the computer's network neighborhood in C#
6/5/2018 😔 Tile a bitmap with a string in C#
6/4/2018 😔 Color the solutions to the "Find the squares in C#" puzzle
6/1/2018 😔 Solve the "Find the squares in C#" puzzle
5/31/2018 😔 Puzzle: Find the squares in C#
5/30/2018 😔 Save WriteableBitmap images in multiple formats in WPF and C#
5/29/2018 😔 Easily save a WriteableBitmap in WPF and C#
5/25/2018 😔 Easily manipulate pixels in WPF and C#
5/24/2018 😔 Display team names for a round robin tournament in C#
5/23/2018 😔 Save bitmap files in WPF and C#
5/22/2018 😔 Draw different styles of "illuminated" text in C#
5/21/2018 😔 Draw "illuminated" text in C#
5/17/2018 😔 Merge directories in C#
5/16/2018 😔 Use a FileSystemWatcher to build a spooler in C#
5/15/2018 😔 Implement interfaces explicitly or implicitly in C#
5/14/2018 😔 Understand ways to end case blocks in C#
5/10/2018 😔 Use a password protected Access database in C#
5/9/2018 😔 Generate a random password in C#
5/8/2018 😔 Why Twitter recently wanted you to change your password
5/8/2018 😔 Control a loop that uses floating-point values in C#
5/7/2018 😔 Display locale-aware sample dates and currency values in C#
5/5/2018 😔 Make locale-aware methods use a new culture at runtime in C#
5/4/2018 😔 Use PLINQ to select prime numbers from an array in C#
5/3/2018 😔 Use PLINQ to select even numbers from an array in C#
5/3/2018 😔 Disable the charms gesture in Windows 8 (and learn a bit about user interface design)
5/2/2018 😔 Make the user enter a password to use a program in C#
5/2/2018 😔 Make a Shakespeare insult generator in C#
5/1/2018 😔 Rearrange text and format it to initialize variables in C#
4/30/2018 😔 Make extension methods that pick random items from arrays or lists in C#
4/27/2018 😔 Draw a Pythagoras tree fractal in C#
4/26/2018 😔 Perform set operations on enumerable lists in C#
4/25/2018 😔 Draw a Sierpinski pentagon in C#
4/24/2018 😔 The most popular posts at C# Helper over the last 12 months
4/24/2018 😔 Determine whether two lists contain the same sequences of objects in different orders in C#
4/23/2018 😔 Determine whether two lists contain the same sequence of objects in C#
4/23/2018 😔 Draw ransom note text in a RichTextBox in C#
4/22/2018 😔 Draw ransom note text in C#
4/19/2018 😔 Find duplicate files in C#, Part 4 of 4
4/18/2018 😔 Find duplicate files in C#, Part 3 of 4
4/17/2018 😔 Find duplicate files in C#, Part 2 of 4
4/16/2018 😔 Find duplicate files in C#, Part 1 of 4
4/15/2018 😔 Write a CSV file from an array in C#
4/13/2018 😔 Calculate hash codes for a file in C#
4/12/2018 😔 Copy a directory hierarchy into the executable directory in C#
4/11/2018 😔 Use an animated cursor in C#
4/6/2018 😔 Display database pictures in a ListView control in C#
4/3/2018 😔 Create ListView icons at run time in C#
4/2/2018 😔 Use LINQ with an embedded lambda expression to find prime numbers in C# (Part 3 of 3)
3/31/2018 😔 Use more efficient LINQ to find prime numbers in C# (Part 2 of 3)
3/30/2018 😔 Use LINQ to find prime numbers in C# (Part 1 of 3)
3/29/2018 😔 Draw a cursor and use it at run time in C#
3/28/2018 😔 Let the user select the ScrollBar maximum in C#
3/27/2018 😔 Fix rectangle SmoothingMode problems in C#
3/26/2018 😔 Compress and decompress directories in C#
3/23/2018 😔 Understand region directives in C#
3/22/2018 😔 Disable Visual Studio warnings in C#
3/21/2018 😔 Use XML literals in C#
3/20/2018 😔 Use VBA macros to add hyperlinks to external files
3/19/2018 😔 Display icons next to ListView sub-items in C#
3/16/2018 😔 Display large and small ListView icons in C#
3/14/2018 😔 Get assembly information in C#
3/13/2018 😔 Use a custom dash pattern with WPF and XAML in C#
3/12/2018 😔 Use StringFormat to align text in columns in C#
3/9/2018 😔 Use tabs and StringFormat to align text in C#
3/8/2018 😔 Make a skinned form in C#, Part 2 (the code)
3/6/2018 😔 Make a skinned form in C#, Part 1 (the controls)
3/5/2018 😔 Use VBA to randomize cells in Excel
3/2/2018 😔 Make a PictureBox act like a button in C#
3/1/2018 😔 See if the internet is available in C#
2/27/2018 😔 Use reflection to list a class's events in C#
2/26/2018 😔 Use reflection to list a class's methods in C#
2/23/2018 😔 Use reflection to list the fields provided by the SystemInformation class in C#
2/22/2018 😔 Use reflection to list a class's fields in C#
2/21/2018 😔 Use reflection to list SystemInformation properties in C#
2/20/2018 😔 Use reflection to list a class's properties in C#
2/19/2018 😔 Copy files to the clipboard in C#
2/16/2018 😔 Paste files from the clipboard in C#
2/15/2018 😔 Display a horizontal scrollbar in a ListBox in C#
2/15/2018 😔 How to use the examples at C# Helper
2/14/2018 😔 Draw text on a circle in C#
2/13/2018 😔 List Dictionary keys and values in C#
2/12/2018 😔 Animate a point on a polar coordinate curve in C#
2/10/2018 😔 Combine images in rows and columns in C#
2/9/2018 ❤️  Book: WPF 3d, Three-Dimensional Graphics with WPF and C#
2/9/2018 😔 Book Sample Pictures: WPF 3d
2/9/2018 😔 Book Errata Page: WPF 3d
2/9/2018 😔 Book Discussion Page: WPF 3d
2/9/2018 😔 WPF 3d: Table of Contents
2/9/2018 😔 Graph a square curve in C#
2/8/2018 😔 Graph a curve in polar coordinates in C#
2/7/2018 😔 Create a PowerPoint presentation from a Word document in C#
2/6/2018 😔 Compare floating-point values safely in C#
2/5/2018 😔 Resize a RichTextBox to fit its contents in C#
2/4/2018 😔 Blank the WebBrowser control in C#
2/2/2018 😔 Make a scrolled window in C#
2/1/2018 😔 Resize a TextBox to fit its text in C#
1/30/2018 😔 Extract comments from a group of files in C#
1/26/2018 😔 Justify paragraphs in C#
1/26/2018 😔 Align text by lines in C#
1/25/2018 😔 Draw paragraphs one line at a time in C#
1/24/2018 😔 Print values in a grid in C#
1/23/2018 😔 Use Word to make a PDF containing pictures in C#
1/22/2018 😔 Make a Word document containing pictures in C#
1/19/2018 😔 Quick tip: Use pinvoke.net to get information about API functions for use in C#
1/18/2018 😔 Find Visual Studio's Immediate window
1/17/2018 😔 Map device coordinates to world coordinates in C#
1/15/2018 😔 How to send an SMS text message in C#
1/11/2018 😔 Calculate credit payments in WPF and C#
1/10/2018 😔 Extract part of a JSON file in C#
1/8/2018 😔 Write a TreeView into a tab-delimited file in C#
1/4/2018 😔 Use JSON to serialize and deserialize objects in C#
1/2/2018 😔 Display tooltips on a graph of an equation entered by the user in C#
12/30/2017 😔 Download and display a text file whenever a program starts in C#
12/30/2017 😔 Anatomy of an example
12/24/2017 😔 Make an owner-drawn ListBox that justifies columns in C#
12/22/2017 😔 Draw aligned columns of data in C#
12/20/2017 😔 Format values in a ListBox in C#
12/19/2017 😔 Right-justify values in a ListBox in C#
12/18/2017 😔 Delete files quickly and easily in C#
12/16/2017 😔 Understand the startup form (or main form) in C#
12/15/2017 😔 Find a form's screen in C#
12/14/2017 😔 Position a form so it does not stick off the edge of the screen in C#
12/13/2017 😔 Position a form over another form in C#
12/12/2017 😔 Use Debug and Trace listeners in C#
12/11/2017 😔 Use branch and bound to find the highest value path through a two-dimensional array of numbers in C#
12/8/2017 😔 Find the highest value path through a two-dimensional array of numbers in C#
12/7/2017 😔 Save Excel data in a PDF file in C#
12/6/2017 😔 Load a cursor from a resource in C#
12/5/2017 😔 Draw a Fibonacci word fractal in C#
11/29/2017 😔 Calculate Fibonacci words in C#
11/28/2017 😔 Use the Stopwatch class to time a program in C#
11/27/2017 😔 Use the BigInteger structure in C#
11/22/2017 😔 Make a context-sensitive AcceptButton in C#
11/21/2017 😔 A little light holiday reading
11/21/2017 😔 Initialize a TreeView control to display a directory hierarchy in C#
11/17/2017 😔 Cast arrays from one reference type to another in C#
11/16/2017 😔 Use a timer to make a form TopMost or BottomMost in C#
11/15/2017 😔 Make a form TopMost or BottomMost in C#
11/14/2017 😔 Make a StatusLabel display its text even if it doesn't fit in C#
11/13/2017 😔 Generate letters with given frequencies in C#
11/10/2017 😔 Make a text file a project resource in C#
11/9/2017 😔 Make a class define and raise events in C#
11/8/2017 😔 Use statement lambdas in C#
11/7/2017 😔 Use lambda expressions in C#
11/6/2017 😔 Use anonymous methods in C#
11/3/2017 😔 Use the predefined Action, Func, and EventHandler delegate types in C#
11/1/2017 😔 A quick note on error messages
11/1/2017 😔 Make a button display the picture beneath slightly grayed it in C#
10/31/2017 😔 Make a button display the picture beneath it in C#
10/30/2017 😔 Validate optional parameters in C#
10/28/2017 😔 Use named and optional parameters in C#
10/26/2017 😔 Display system metrics with descriptions in C#
10/25/2017 😔 Get system metrics in C#
10/24/2017 😔 Convert an array of bytes into an integer and back in C#
10/23/2017 😔 Make subarray extension methods in C#
10/19/2017 😔 Use Array.Copy to copy values in two-dimensional arrays in C#
10/16/2017 😔 Determine whether a year is a leap year in C#
10/14/2017 😔 Get a hard drive serial number in C#
10/14/2017 😔 Get a disk volume serial number in C#
10/12/2017 😔 Find class ancestors in C#
10/11/2017 😔 Find classes that implement an interface or that are descendants of a given class in C#
10/10/2017 😔 Display subscripts and superscripts in a RichTextBox in C#, version 2
10/5/2017 😔 List a program's loaded assemblies in C#
10/5/2017 😔 Get the computer's registered owner and organization in C#
10/3/2017 😔 Get the computer's operating system in C#
9/30/2017 😔 Draw a picture-filled histogram in C#
9/28/2017 😔 Write values in the Registry in C#
9/27/2017 😔 Read Registry values (to get the desktop icon size) in C#
9/27/2017 😔 Linkback to the Secret Santa Problem
9/26/2017 😔 Define custom exception classes in C#
9/25/2017 😔 See a hierarchy of exception classes for use in C#
9/23/2017 😔 Throw a standard exception in C#
9/21/2017 😔 Make a dice-rolling simulation in C#
9/20/2017 😔 Tile a PictureBox in C#
9/14/2017 😔 Use a symbiote to graphically select hours in C#
9/13/2017 😔 Graphically select hours in C#
9/12/2017 😔 Remove unnecessary using directives in C#
9/11/2017 😔 Draw the Weierstrass function in C#
9/11/2017 😔 Determine whether a file or directory exists in C#
9/8/2017 😔 Calculate Fibonacci numbers in several ways in C#
9/7/2017 😔 Recursively draw equations in C#
9/7/2017 😔 The C# Helper Top 100 now available at Amazon
9/5/2017 😔 Efficiently see if a string is blank in C#
9/4/2017 😔 Table of Contents: The C# Helper Top 100
9/4/2017 ❤️  Book: The C# Helper Top 100
9/1/2017 😔 Change image resolution in C#
8/30/2017 😔 Examine the unique words in a Microsoft Word file in C#
8/29/2017 😔 Find random prime numbers in C#
8/28/2017 😔 Probabilistically determine whether a number is prime in C#
8/25/2017 😔 Iterate over items in an array with unknown dimensions in C#
8/24/2017 😔 Solution to puzzle: Zero rows and columns in an array in C#
8/23/2017 😔 Draw improved text on a curve in C#
8/22/2017 😔 Make a TextBox preview extender provider in C#
8/21/2017 😔 Make the user enter a float in C#
8/19/2017 😔 Preview TextBox changes in C#, Part 2
8/17/2017 😔 Preview TextBox changes in C#
8/16/2017 😔 Use Array methods in C#
8/15/2017 😔 Puzzle: Zero rows and columns in an array in C#
8/14/2017 😔 Compare performance looping over DateTime and integer variables in C#
8/11/2017 😔 Find Friday the Thirteenths in C#
8/11/2017 😔 Use == and != to compare structs in C#
8/10/2017 😔 Book Review: Super Scratch Programming Adventure!: Learn to Program By Making Cool Games
8/9/2017 😔 Animate rainbow colors in C#
8/8/2017 😔 Animate exploding 3-dimensional pie slices in C#
8/7/2017 😔 Use the mouse wheel to scale an image in C#
8/6/2017 😔 Use Windows Forms controls to make multiple stacked expanders in C#
8/5/2017 😔 Use Windows Forms controls to make an expander in C#
8/3/2017 😔 Calculate where a line segment and an ellipse intersect in C#
8/2/2017 ❤️ Make transparent button images in C#
8/1/2017 😔 List USB devices in C#
7/27/2017 😔 Draw "marching ants" dashed lines in C#
7/26/2017 😔 Draw dashed lines that are visible on any background in C#
7/25/2017 😔 Produce a repeatable series of "random" numbers in C#
7/22/2017 😔 Safely manage documents in C#
7/21/2017 😔 Get font size in pixels in C#
7/19/2017 😔 Draw smooth text in a GraphicsPath in C#
7/15/2017 😔 Create a class outside of any namespace statement in C#
7/15/2017 😔 Book Review: The Manga Guide to Linear Algebra
7/12/2017 😔 Get the screen's resolution in C#
7/8/2017 😔 Make Ctrl+A select all of the text in a TextBox in C#
7/7/2017 😔 Generate random polygons in C#
7/5/2017 😔 Make extension methods to generate random double values in C#
7/3/2017 😔 Iterate over the items in arrays and lists in C#
6/30/2017 😔 Print a ListView control's contents on multiple pages in C#
6/27/2017 😔 Update a DataTable that is bound to a DataGridView in C#
6/25/2017 😔 Print a ListView with large contents in C#
6/22/2017 😔 Print the contents of a ListView control in C#
6/21/2017 😔 Make rectangle extension methods in C#
6/19/2017 😔 Use string extension methods to validate Social Security numbers in C#
6/17/2017 😔 Understand the @ symbol in C#
6/16/2017 😔 Center a form on the screen at run time in C#
6/16/2017 😔 Understand when a finally block is executed in C#
6/3/2017 😔 Use a ProgressBar in C#
6/1/2017 😔 Make pop buttons in C#
5/29/2017 😔 Calculate the present value of a future amount of money in C#
5/27/2017 😔 Make silly eyes that track the mouse without flicker in C#
5/26/2017 😔 Make silly eyes that track the mouse in C#
5/26/2017 😔 Compare the performance of simple arithmetic operations in C#
5/25/2017 😔 Make a 3D globe in WPF and C#
5/25/2017 😔 Graph event probabilities in C#
5/24/2017 😔 Find the number of trials for an event probability in C#
5/23/2017 😔 Calculate the probability of an event occurring in a given number of trials in C#
5/22/2017 😔 Understand probabilities of unrelated events (and escaping zombies)
5/19/2017 😔 Display reusable dialog forms in C#
5/18/2017 ❤️ Make a TextBox with autocomplete in C#
5/17/2017 😔 Compare the performance of the int, long, and byte data types in C#
5/16/2017 😔 Compare the performance of the float, double, and decimal data types in C#
5/12/2017 😔 Save several images into Access in C#
5/10/2017 😔 Find .NET libraries for namespaces in C#
5/10/2017 😔 Load images from an Access database in C#
5/9/2017 😔 Save images in an Access database in C#
5/8/2017 😔 Use the Filter property to select image files in C#
5/5/2017 😔 Use filenames stored in a database to display images in C#
5/4/2017 ❤️ Move and resize multiple rectangles in WPF and C#
5/3/2017 😔 Display database records without data binding in C#
5/2/2017 😔 Initialize lists from databases without binding in C#
5/1/2017 😔 Check a TreeView subtree in C#
4/28/2017 😔 Display context menus for TreeView items in C#
4/27/2017 😔 Enumerate TreeView nodes in C#
4/26/2017 😔 Yield checked TreeView nodes in C#
4/25/2017 😔 Make a list of checked TreeView nodes in C#
4/24/2017 😔 Display tooltips for TreeView nodes in C#
4/21/2017 😔 Compare sorting algorithms in C#, part 5 of 5 (Countingsort)
4/21/2017 😔 Compare sorting algorithms in C#, part 4 of 5 (Quicksort)
4/20/2017 😔 Compare sorting algorithms in C#, part 3 of 5 (Selectionsort)
4/19/2017 😔 Compare sorting algorithms in C#, part 2 of 5 (Bubblesort)
4/18/2017 😔 Compare sorting algorithms in C#, part 1 of 5 (Array.Sort)
4/14/2017 😔 Run user-entered code that modifies the program's form in C#
4/13/2017 😔 Use the yield statement in C#
4/12/2017 😔 Understand AutoScaleMode in C#
4/11/2017 😔 Draw transformed text in C#
4/11/2017 😔 Tip: Make parentheses matching more visible in C#
4/10/2017 😔 Display tips in a status bar instead of a tooltip in C#
4/7/2017 😔 Make a sunburst chart in C#, Part 4
4/6/2017 😔 Make a sunburst chart in C#, Part 3
4/5/2017 😔 Make a sunburst chart in C#, Part 2
4/4/2017 😔 Make a sunburst chart in C#, Part 1
4/3/2017 😔 Make a status strip label that sticks to the right side of the form in C#
3/31/2017 😔 Parse file sizes in KB, MB, GB, and so forth in C#
3/30/2017 😔 Highlight the DataGridView row that is under the mouse in C#
3/29/2017 😔 Use accelerators on labels and buttons in C#
3/28/2017 😔 Compare the performance of incrementing statements in C#
3/27/2017 😔 Make a simple event logger in C#
3/25/2017 😔 Display a form's control hierarchy in C#
3/23/2017 😔 Loop over a form's controls in C#
3/22/2017 😔 Make a shaded ellipse control in C#
3/21/2017 😔 Quickly insert standard menu items on a form in C#
3/20/2017 😔 Give a class default indexer properties in C#
3/17/2017 😔 Solution: The 40 pound stone puzzle
3/16/2017 😔 Activate another running program in C#
3/15/2017 😔 Use digits of Pi to draw a picture in C#
3/15/2017 😔 Look for dates in the digits of Pi in C#
3/14/2017 😔 Find patterns within Pi in C#
3/14/2017 😔 Puzzle: The 40 pound stone
3/13/2017 😔 Make the basis for a card game in C#
3/13/2017 😔 Verify sizes of playing cards in C#
3/10/2017 😔 Use System.Threading.Timer to make a countdown timer in C#
3/8/2017 😔 Installing Visual Studio 2017
3/8/2017 😔 Use an improved extension method to calculate standard deviation in C#
3/7/2017 😔 Remove a TextBox control's context menu in C#
3/6/2017 😔 Use ActiveControl to enabled and disable menu items in C#
3/2/2017 😔 Use the ActiveControl property in C#
3/1/2017 😔 Make a case-insensitive dictionary in C#
2/28/2017 😔 Understand string equality testing in C#
2/27/2017 😔 Use a Dictionary to store and retrieve items in C#
2/25/2017 😔 Compare the performance of string comparison methods in C#
2/24/2017 😔 Compare the performance of switch and if statements in C#
2/23/2017 😔 Draw, move, and delete line segments in VB.NET
2/21/2017 😔 Convert a Rectangle into a RectangleF and vice versa in C#
2/20/2017 😔 Make a hangman game in C#
2/16/2017 😔 Use LINQ to select words of certain lengths from a file in C#
2/15/2017 😔 Draw a golden spiral in C#
2/14/2017 😔 Draw a nested series of golden rectangles in C#
2/13/2017 😔 Examine the relationship between the Fibonacci sequence and phi in C#
2/11/2017 😔 Use a TextFieldParser to read fixed-width data in C#
2/10/2017 😔 Use a TextFieldParser to read delimited data in C#
2/8/2017 😔 Suspend or hibernate the system in C#
2/7/2017 😔 Make light pixels transparent in an image in C#
2/6/2017 ❤️ Draw a smiley face with WPF in C#
2/3/2017 😔 Rotate images that are scaled in C#
2/2/2017 😔 Rotate images inside a scrolled panel in C#
2/1/2017 😔 Explore the Visual Studio Image Library in C#
1/31/2017 ❤️ List controls on a form in C#
1/30/2017 ❤️ Give transparent backgrounds to images displayed on buttons in C#
1/26/2017 ❤️ Easily draw rotated text on a form in C#
1/25/2017 😔 Display the Astronomy Picture of the Day on the desktop in C#
1/24/2017 😔 Download the Astronomy Picture of the Day in C#
1/23/2017 😔 Randomly change the desktop picture in C#
1/20/2017 😔 Set the Windows desktop picture in C#
1/19/2017 😔 Convert RTF and TXT files into DOCX files in C#
1/17/2017 😔 Draw a scrolling family tree in C#
1/17/2017 😔 Remove non-printable ASCII characters from a string in C#
1/16/2017 😔 See what processes have a file locked in C#
1/13/2017 😔 Use "banker's rounding" and "normal rounding" in C#
1/12/2017 😔 See if a file is locked in C#
1/11/2017 😔 Map between host names and IP addresses in C#
1/10/2017 😔 List available culture codes in C#
1/9/2017 😔 Make a cannon game in C#
1/6/2017 😔 Convert a bitmap into a cursor in C#
1/5/2017 😔 Use a bitmap for an icon in C#
1/4/2017 ❤️ Make a tool that creates PNG files with transparent backgrounds in C#
1/3/2017 😔 Give an image a transparent background in C#
1/2/2017 😔 Make a TextBox convert text into proper case in C#
12/31/2016 😔 Five hats puzzle solution
12/31/2016 😔 Five hats puzzle
12/30/2016 😔 Convert a string to proper case (title case) in C#
12/29/2016 😔 Make TextBoxes automatically convert case in C#
12/28/2016 😔 See if Internet Explorer uses a proxy in C#
12/27/2016 😔 Move a window with a title that matches a pattern in C#
12/26/2016 😔 Tile desktop windows in rows and columns in C#
12/23/2016 😔 Set another application's size and position in C#
12/23/2016 😔 Find a target window and minimize, maximize, or restore it in C#
12/23/2016 😔 Make a stopwatch in C#
12/21/2016 😔 Extract text from a metafile in C#
12/21/2016 😔 Enumerate the records in a metafile in C#
12/20/2016 😔 Draw an interesting pattern of circles in C#
12/19/2016 😔 Use BeginInvoke and callbacks to perform tasks asynchronously in C#
12/16/2016 😔 Use BeginInvoke and EndInvoke to perform tasks asynchronously in C#
12/15/2016 😔 Use base insets with custom end caps in C#
12/14/2016 😔 Hints for beginners without sacrificing efficiency
12/14/2016 😔 The ribbon interface: sacrificing usability for discoverability
12/13/2016 😔 Loop over an array of unknown dimension in C#
12/13/2016 😔 Loop over entries in an array of unknown length in C#
12/12/2016 😔 Display memory usage in C#
12/11/2016 😔 Sort ListView controls by all columns or clicked columns in C#
12/10/2016 😔 Add "extension properties" to classes in C#
12/9/2016 😔 Apply a color threshold to an image in C#
12/9/2016 😔 Adjust image translucency in C#
12/8/2016 😔 Provide gamma correction for an image in C#
12/7/2016 😔 Make stable appointments in C#
12/6/2016 😔 Display thumbnails for image files in a directory in C#
12/5/2016 😔 Draw outline graphics in C#
12/2/2016 😔 Graph currency rates over time in C#
12/2/2016 😔 Get currency exchange rates in C#
12/1/2016 😔 Get stock prices from different exchanges in C#
11/30/2016 😔 Make mazes with topographic features in C#
11/29/2016 😔 Make and draw a maze in C#
11/28/2016 😔 Graph equations entered by the user in C#
11/27/2016 😔 Graph an equation in C#
11/26/2016 😔 Find files in the startup directory in C#
11/23/2016 😔 Evaluate numeric expressions that are entered by the user in C#
11/23/2016 😔 List the locations of special folders in C#
11/22/2016 😔 List languages that you can compile at runtime in C#
11/21/2016 😔 Run user-entered code in C#
11/18/2016 😔 Display tooltips for ListView items in C#
11/17/2016 😔 Sample Puzzles for Interview Puzzles Dissected
11/17/2016 😔 Convert doc files into docx files in C#
11/16/2016 😔 Override WndProc to see when the user clicks any control on a form in C#
11/16/2016 😔 Save and restore line drawings in C#
11/15/2016 😔 Center the cursor over a particular control in C#
11/14/2016 😔 Take actions depending on the day of the week in C#
11/12/2016 😔 Find the Friday following a given date in C#
11/11/2016 😔 Create directories and intermediate directories in C#
11/11/2016 ❤️  Book: Interview Puzzles Dissected
11/10/2016 😔 Generate self-avoiding walks one at a time in C#
11/9/2016 😔 Generate random self-avoiding walks in C#
11/8/2016 😔 Find corner-to-corner self-avoiding walks in C#
11/7/2016 😔 Find self-avoiding walks in C#
11/6/2016 😔 Find the word under the mouse in a RichTextBox control in C#
11/4/2016 😔 Enable commands in Visual Studio Express Edition
11/3/2016 😔 Circumscribe three tangent circles in C#
11/2/2016 😔 Overlay images in C#
11/1/2016 😔 Draw numbered buttons and save them into files in C#
10/31/2016 😔 Draw numbered circles and save them into files in C#
10/29/2016 😔 Animate images in C#
10/28/2016 😔 Draw gears in C#
10/24/2016 😔 Simulate mouse movement and clicks in C#
10/23/2016 😔 Let a thread call a form's methods in C#
10/21/2016 😔 Run threads with different priorities in C#
10/20/2016 😔 Sort words by letter count in C#
10/19/2016 😔 Count pixels of different colors in C#
10/18/2016 😔 Define and use bit masks in C#
10/18/2016 😔 Understand bit masks in C#
10/17/2016 😔 Use bit operations in C#
10/16/2016 😔 Solve the equilateral triangles puzzle in C#
10/14/2016 😔 Set font size to fit a wrapped label in C#
10/14/2016 😔 Set font size to fit a label in C#
10/10/2016 😔 Randomize two-dimensional arrays in C#
10/9/2016 😔 Get variable values by name in C#
10/6/2016 😔 Puzzle: Find the equilateral triangles in C#
10/4/2016 😔 Randomly color an Apollonian gasket in C#
9/30/2016 😔 Draw an Apollonian gasket in C#
9/28/2016 😔 Clone lists and arrays of objects in C#
9/26/2016 😔 Clone serializable objects in C#
9/21/2016 😔 Find the shortest distance between a point and a line segment in C#
9/20/2016 😔 Use MemberwiseClone the ICloneable interface in C#
9/19/2016 😔 Clone objects in C#
9/17/2016 😔 Convert latitudes and longitudes into distances on the globe in C#
9/16/2016 😔 Find circles that are tangent to three given circles (Apollonius' Problem) in C#
9/16/2016 😔 Draw three circles and find their tangent circles in C#
9/15/2016 😔 Use steganography to hide one large picture inside another in C#
9/15/2016 😔 Use steganography to hide one picture inside another in C#
9/14/2016 😔 Draw a circle through three points in C#
9/13/2016 😔 Remove the Close button from a form's system menu in C#
9/11/2016 😔 Add delegates in C#
9/10/2016 😔 Convert a metafile into a PNG file in C#
9/9/2016 😔 Make a metafile in C#
9/6/2016 😔 Display a Windows metafile (wmf) in C#
9/4/2016 ❤️ Display battery status using a notify icon in C#
9/2/2016 😔 Make a Region from non-transparent pixels in C#
8/29/2016 😔 Scale images and save them in C#
8/27/2016 😔 Make shaped PictureBoxes in C#
8/24/2016 😔 Use XML comments in C#
8/22/2016 😔 Draw trees vertically or horizontally in C#
8/20/2016 😔 Use DrawImage to warp images in C#
8/19/2016 😔 Warp images arbitrarily in C#, Part 2
8/18/2016 😔 Warp images arbitrarily in C#, Part 1
8/17/2016 😔 Compare fuel efficiency in different units in C#
8/17/2016 😔 Compare car costs including long term mileage in C#
8/16/2016 😔 Draw an analog clock in C#
8/15/2016 ❤️ Use fuzzy lines to draw shadows in C#
8/13/2016 😔 Play an audio resource in C#
8/13/2016 😔 Play WAV files in C#
8/12/2016 😔 Handle NumericUpDown value change events in C#
8/12/2016 😔 Make a NumericUpDown use decimal values in C#
8/11/2016 😔 Use scrollbars to select RGB and HLS colors in C#
8/11/2016 😔 Convert between RGB and HLS color models in C#
8/10/2016 😔 Test investment strategies with Dow Jones data in C#
8/9/2016 😔 Graph historical Dow Jones Industrial Average values in C#
8/8/2016 😔 Compress JPG files in a directory in C#
8/5/2016 😔 Quickly pick JPG compression level in C#
8/5/2016 😔 Compress JPG files to a certain size in C#
8/5/2016 😔 Generate words of a given length in C#
8/5/2016 😔 Generate three-letter words in C#
8/4/2016 😔 Close Mozilla Firefox popups in C#
8/3/2016 😔 List desktop windows in C#
8/3/2016 😔 Load a CSV file in Excel in C#
8/2/2016 😔 Calculate interest for a loan in C#
8/1/2016 😔 Make an OwnerDraw ListView in C#
7/29/2016 😔 Drag a map to scroll in C#
7/27/2016 😔 Define map hotspots in C#
7/26/2016 😔 Display a scalable map with hotspots in C#
7/25/2016 😔 Display text on a ProgressBar in C#
7/23/2016 😔 Draw justified text in C#
7/22/2016 😔 Display map distance with limited significant digits in C#
7/21/2016 😔 Display significant digits in C#
7/20/2016 😔 Measure distance on a map with a scale in C#
7/16/2016 😔 Align numeric values in ComboBox and ListBox controls in C#
7/15/2016 😔 Sort partly numeric items in a ComboBox or ListBox in C#
7/14/2016 😔 Link ComboBox and ListBox data sources in C#
7/14/2016 😔 Warholize an image in C#
7/13/2016 😔 Animate a piston driving a wheel in C#
7/12/2016 😔 List an image's EXIF properties in C#
7/10/2016 😔 Make an enumeration of EXIF property IDs in C#
7/7/2016 😔 Use EXIF information to orient an image in C#
7/6/2016 😔 Animate two rods connected to a wheel in C#
7/5/2016 😔 Read an image file's EXIF orientation data in C#
7/4/2016 😔 Compare speeds of arithmetic operations in C#
7/2/2016 😔 Make two forms open each other in C#
7/1/2016 😔 Make a robot arm track the mouse in C#
7/1/2016 😔 Draw a robot arm with a hand that points downward in C#
6/31/2016 😔 Draw a simple robot arm with a hand in C#
6/29/2016 😔 Draw a simple robot arm in C#
6/28/2016 😔 Fill a shape with random lines in C#
6/27/2016 😔 Fill an ellipse with random lines in C#
6/24/2016 😔 Use WPF code to display subscripts and superscripts in C#
6/24/2016 😔 Display subscripts and superscripts in a WPF TextBlock in C#
6/23/2016 😔 Easily display subscripts and superscripts in a RichTextBox in C#
6/22/2016 😔 Display subscripts and superscripts in a RichTextBox in C#
6/21/2016 😔 Calculate credit payments in C#
6/20/2016 😔 Make a stacked graph showing compound interest in C#
6/19/2016 😔 Show compound interest graphically in C#
6/17/2016 😔 Calculate the value of a monthly investment in C#
6/16/2016 😔 Split image files in C#
6/15/2016 😔 Use a string collection setting in C#
6/6/2016 😔 Select and print multiple files in C#
6/6/2016 😔 Display the number of checked items in a CheckedListBox in C#
6/6/2016 😔 Set a print job name in C#
6/6/2016 😔 Determine the default printer in C#
6/6/2016 😔 See how much text fits in a rectangle in C#
6/6/2016 😔 Print a text file in C#
6/4/2016 😔 Make a console application in C#
6/3/2016 😔 Use the Obsolete attribute in C#
5/27/2016 😔 Find a matrix inverse in C#
5/26/2016 😔 Use the Conditional attribute to make a method non-callable in C#
5/25/2016 😔 Draw smoother cones using WPF and C#
5/24/2016 😔 Draw smooth cones using WPF and C#
5/20/2016 😔 Draw cones using WPF and C#
5/18/2016 😔 Make a temperature forecast in C#
5/16/2016 ❤️ Get weather forecast data in C#
5/14/2016 😔 Graph historical stock prices in C#
5/13/2016 ❤️ Give an application beautiful icons in C#
5/12/2016 😔 Provide multiple inheritance in C#
5/11/2016 😔 Define and implement an interface in C#
5/10/2016 😔 Display Google Maps for the computer's location in C#
5/10/2016 😔 Use the Location API to find the computer's latitude and longitude in C#
5/9/2016 😔 Display Google Maps for an address inside a form in C#
5/9/2016 😔 Display Google Maps for an address in C#
5/6/2016 😔 List birthdays in C#
5/6/2016 ❤️ Use file dialog filters in C#
5/3/2016 😔 Override a parent class method in C#
5/3/2016 😔 Make an initializing constructor for a child class in C#
5/3/2016 😔 Set the MessageBox default button in C#
5/2/2016 😔 Use a custom sort order for ListBox or ComboBox items in C#
4/29/2016 😔 Make extension methods that convert to and from Roman numerals in C#
4/29/2016 😔 Convert to and from Roman numerals in C#
4/28/2016 😔 Sort ListBox or ComboBox items in numeric order in C#
4/26/2016 😔 Easily reset file access and write times in C#
4/26/2016 ❤️ Make a slider with a value bar in C#
4/25/2016 😔 Resize an image to view its pixels in C#
4/22/2016 ❤️ Make a slider with a needle in C#
4/21/2016 😔 Enumerate metafile records in C#
4/20/2016 😔 Read and draw a metafile in C#
4/19/2016 😔 Make and use a metafile in C#
4/15/2016 😔 Find an image URI in a WPF program in C#
4/14/2016 😔 Remove tabs from a WPF TabControl at runtime in C#
4/13/2016 😔 Add tabs to a WPF TabControl at runtime in C#
4/8/2016 😔 Use the is operator in C#
4/7/2016 😔 Compare a list priority queue to a heap priority queue in C#
4/6/2016 😔 Make an efficient priority queue class in C#, Part 2
4/5/2016 😔 Make an efficient priority queue class in C#, Part 1
4/4/2016 😔 Map between nodes and node numbers in a binary tree in C#
4/1/2016 😔 Make animated labels in C#
4/1/2016 😔 Draw animated text in C#
3/31/2016 😔 Copy and paste scribble data in C#
3/31/2016 😔 Use XOR to swap two numbers in C#
3/30/2016 😔 Make a ComboBox display images with text in C#
3/29/2016 😔 Make a ComboBox display colors or images in C#
3/28/2016 😔 See if the mouse is over a curve in C#
3/27/2016 😔 Add useful extensions to the BitArray class in C#
3/27/2016 😔 Use the BitArray class in C#
3/26/2016 😔 Refine the complex number class in C#
3/25/2016 😔 Make a complex number class that works with real numbers in C#
3/24/2016 😔 Make a complex number class with equality in C#
3/22/2016 😔 Make a complex number class with overloaded operators in C#
3/18/2016 😔 Compare loop performance in C#
3/18/2016 😔 Draw 3-dimensional pie slices in C#
3/17/2016 😔 Draw an annotated pie chart in C#
3/16/2016 😔 Draw a labeled pie chart in C#
3/16/2016 😔 Draw a pie chart in C#
3/16/2016 😔 Fill and draw pie slices in C#
3/16/2016 😔 Use yield to generate prime numbers in C#
3/14/2016 😔 Load a WPF TreeView control from an XML file in C#
3/14/2016 😔 Check text data type in C#
3/10/2016 😔 Make a generic TreeNode class with link weights in C#
3/9/2016 😔 Make a list without duplicates in C#
3/7/2016 😔 Reset an Access autonumber field in C#
3/7/2016 😔 Get an autonumber value that was just inserted in C#
3/5/2016 😔 Perform multiple default actions in C#
3/5/2016 😔 Perform a default action without an accept button in C#
3/2/2016 😔 Interactively rotate images in C#
3/2/2016 😔 Rotate images in C#
3/1/2016 😔 Use SQL queries to display master-detail data in C#
2/28/2016 😔 Generate random data in an Access database in C#
2/26/2016 😔 Display master-detail data in a DataGrid in C#
2/25/2016 😔 Draw a recursive overlapping snowflake fractal in C#
2/25/2016 😔 Draw a recursive von Koch snowflake fractal in C#
2/25/2016 😔 Draw a recursive snowflake fractal in C#
2/24/2016 😔 Make an Excel chart in C#
2/24/2016 😔 Graph mosquito populations in C#
2/24/2016 😔 Simulate mosquito populations in C#
2/22/2016 😔 Calculate a row of Pascal's triangle in C#
2/22/2016 😔 Print a Celsius to Fahrenheit conversion chart in C#
2/20/2016 ❤️ Draw a curly tree fractal using less memory in C#
2/19/2016 ❤️ Draw a curly tree fractal in C#
2/18/2016 😔 Use a scrollbar to select non-integer values in C#
2/16/2016 😔 Display a perspective image in C#
2/16/2016 😔 Hide the taskbar and start button in C#
2/16/2016 😔 Make a form cover the taskbar and start button in C#
2/15/2016 😔 Draw a colored Pickover popcorn fractal in C#
2/15/2016 😔 Draw a Pickover popcorn fractal in C#
2/13/2016 😔 Download images from a web page in C#
2/12/2016 😔 Draw a 3D heart using WPF and C#
2/11/2016 😔 Draw a parametric heart-shaped curve in C#
2/11/2016 ❤️ Map drawing coordinates without distortion in C#
2/9/2016 😔 Draw a curve with more sharply delineated colors in C#
2/9/2016 😔 Draw a curve with sharply delineated colors in C#
2/9/2016 😔 Draw a curve with multiple colors in C#
2/8/2016 ❤️ Easily map drawing coordinates in C#
2/5/2016 😔 Let the user select a folder in C#
2/4/2016 😔 Convert XPS files into PNG files in C#
2/3/2016 😔 Validate a form in C#
2/3/2016 😔 Use the Validating event in C#
2/2/2016 😔 Use tooltips in C#
2/1/2016 😔 Graph the values of a savings account, 401(k), and Roth IRA in C#
2/1/2016 😔 Compare a savings account to a 401(k) in C#
2/1/2016 😔 Reparent a control in C#
1/29/2016 😔 Draw four interlocking Heighway dragon fractals in C#
1/29/2016 😔 Center a Heighway dragon fractal in C#
1/29/2016 😔 Draw a Heighway dragon fractal in C#
1/29/2016 😔 Control serialization and deserialization in C#
1/29/2016 😔 Serialize and deserialize objects in C#
1/28/2016 ❤️ Find a polygon union in C#
1/27/2016 😔 Solve the skyline problem in C#
1/27/2016 😔 Draw text on a curve in C#
1/26/2016 😔 Draw text on a line segment in C#
1/26/2016 😔 Position a form in the screen's lower right corner in C#
1/26/2016 ❤️ Display battery status in a friendly way in C#
1/25/2016 😔 Draw rounded rectangles in C#
1/25/2016 😔 Get the screen's working area in C#
1/23/2016 😔 Clip a line segment to a polygon in C#
1/22/2016 ❤️ Display battery status in C#
1/16/2016 ❤️ Enlarge a polygon in C#
1/14/2016 😔 Print a calendar in C#
1/12/2016 😔 Get the name of the first day of the week in C#
1/11/2016 😔 Restart the print spooler in C#
1/9/2016 😔 Display the local time and GMT in C#
1/8/2016 😔 Get date format information for the computer's locale in C#
1/6/2016 😔 Sort and search arrays in C#
1/5/2016 😔 Make a rotating brush in C#
1/4/2016 😔 Make truncated dodecahedrons in WPF and C#
1/3/2016 😔 Make truncated tetrahedrons, octahedrons, and icosahedrons in WPF and C#
12/31/2015 😔 Make a truncated cube in WPF and C#
12/30/2015 😔 Initialize a Dictionary in C#
12/29/2015 😔 Draw round circles in scaled coordinate systems in C#
12/29/2015 😔 Initialize an array of arrays in C#
12/29/2015 😔 Perform binary contrast enhancement interactively in C#
12/28/2015 😔 Perform binary contrast enhancement on an image in C#
12/26/2015 😔 Initialize two-dimensional arrays in C#
12/22/2015 😔 Draw text with a moving brush in C#
12/21/2015 😔 Make a moving background in C#
12/19/2015 😔 Calculate standard deviation in C#
12/17/2015 😔 Make a simple histogram in C#
12/16/2015 😔 Easily draw platonic solids in WPF and C#
12/10/2015 😔 Study WPF 3D performance in C#
12/8/2015 😔 Make a stellate geodesic sphere with WPF and C#
12/7/2015 😔 Build a geodesic sphere with WPF and C#
12/4/2015 😔 Rotate a picture in C#
12/3/2015 😔 Platonic Solids Part 8: Icosahedron and dodecahedron
12/2/2015 😔 Platonic Solids Part 7: The dodecahedron
12/1/2015 😔 Platonic Solids Part 6: The icosahedron
11/30/2015 😔 Platonic Solids Part 5: Cube and octahedron
11/30/2015 😔 Platonic Solids Part 4: The octahedron
11/29/2015 😔 Platonic Solids Part 3: The cube
11/28/2015 😔 Platonic Solids Part 2: The tetrahedron
11/28/2015 😔 Platonic Solids Part 1: What are the Platonic solids?
11/24/2015 😔 Add and remove pictures in an Excel worksheet
11/24/2015 😔 Number files in a directory in C#
11/23/2015 😔 Convert a directory's files to grayscale in C#
11/22/2015 😔 Perform line clipping in C#
11/19/2015 😔 Perform line trimming in C#
11/19/2015 ❤️ Open a PDF file in C#
11/19/2015 😔 Get the program's memory usage in C#
11/19/2015 😔 Copy files into the executable directory in C#
11/13/2015 😔 Save a color palette in a program's settings in C#
11/12/2015 😔 Make a persistent color palette in C#
11/12/2015 😔 Make a standard color palette in C#
11/12/2015 😔 Print images in C#
11/3/2015 😔 Make a form fade out until it disappears in C#, Part 2
11/3/2015 😔 Make a form fade out until it disappears in C#
11/3/2015 😔 Draw a watermark in C#
11/2/2015 😔 Move items between two ListBoxes in C#
11/2/2015 😔 Display font samples for all installed fonts in WPF and C#
10/30/2015 😔 List colors in WPF and C#
10/30/2015 😔 Bind arrays and lists in C#
10/29/2015 😔 Set video position with a scroll bar with WPF in C#
10/28/2015 😔 Make a XAML button library in C#
10/27/2015 😔 Make a WPF button template in C#
10/26/2015 😔 Control a video with the WPF MediaElement in C#
10/23/2015 😔 Make video control buttons in WPF and C#
10/22/2015 😔 Save WPF control images in C#
10/20/2015 😔 Print at full scale in C#
10/20/2015 😔 Allow limited CheckBox selection in C#
10/19/2015 😔 Use a tristate CheckBox to show partial selections in C#
10/19/2015 😔 Use a tristate CheckBox in C#
10/16/2015 😔 Draw a hexagonal grid in C#
10/15/2015 😔 Draw a triangular grid in C#
10/14/2015 😔 Display sample formats for different locales in C#
10/14/2015 😔 Determine which pie slice is under the mouse in C#
10/13/2015 😔 List Dropbox directories and files in C#
10/13/2015 😔 Select printer resolution in C#
10/10/2015 😔 Let the user select a printer and then send a printout directly to it in C#
10/10/2015 😔 Send a printout directly to a specific printer in C#
10/9/2015 😔 Display Pascal's triangle in C#
10/9/2015 😔 Change print orientation and margins in C#
10/8/2015 😔 Make a montage editor in C#, Part 2
10/7/2015 😔 Make a montage editor in C#, Part 1
10/6/2015 😔 Make a Windows Phone app display icons at appropriate sizes in C#
10/5/2015 😔 Make a Windows Store app display icons at appropriate sizes in C#
10/3/2015 😔 Make a Windows Forms application display icons at appropriate sizes in C#
10/1/2015 😔 Extract comments from a C# file in C#
9/29/2015 😔 Use steganography to hide Unicode message bytes in an image in C#
9/28/2015 😔 Use steganography to hide Unicode messages in an image in C#
9/25/2015 😔 Draw rainbow compound lines in WPF and C#
9/24/2015 😔 Make compound lines in WPF and C#
9/23/2015 😔 Draw an outlined path in WPF and C#
9/22/2015 😔 Survey: What should be in my upcoming graphics book? [books]
9/22/2015 😔 Draw symmetric compound lines in WPF and C#
9/21/2015 😔 Make string extensions to URL encode and decode strings in C#
9/20/2015 😔 Draw a histogram with tooltips in C#
9/20/2015 😔 Draw a simple histogram in C#
9/18/2015 😔 Use a ColorMatrix to add a watermark to an image in C#
9/18/2015 😔 Add a watermark to an image in C#
9/17/2015 😔 Use command bindings globally in WPF and C#
9/17/2015 😔 Use custom command bindings in WPF and C#
9/16/2015 😔 Use pre-defined command bindings in WPF and C#
9/16/2015 😔 Make a selection dialog that uses a color wheel in C#
9/15/2015 😔 Draw a color wheel with alpha and saturation values in C#
9/14/2015 😔 Draw a colorful color wheel in C#
9/14/2015 😔 Draw a color wheel in C#
9/14/2015 😔 Use a notify icon to capture a screen image in C#
9/14/2015 😔 Read and write text in text files in C#
9/11/2015 😔 Display the predefined system icons in C#
9/10/2015 😔 Add a UAC shield to controls in C#
9/9/2015 😔 Plot data with standard deviation ranges in C#
9/8/2015 😔 Draw a scaled normal distribution in C#
9/4/2015 😔 Draw a normal distribution curve in C#
9/3/2015 😔 Convert enum values to and from strings in C#
8/29/2015 😔 List characters that are invalid in file and path names in C#
8/27/2015 😔 Let the user pick database search criteria in C#
8/26/2015 😔 Flush click events in C#
8/25/2015 😔 Animate the Tower of Hanoi problem in C#
8/24/2015 😔 Recursively solve the Tower of Hanoi problem in C#
8/21/2015 😔 Animate gears with unequal sizes in C#
8/20/2015 😔 Animate gears in C#
8/14/2015 😔 Draw an animated atom in C#
8/13/2015 😔 Perform Windows Forms property animation in C#
8/12/2015 😔 Compare the performance of if-else and switch statements in C#
8/12/2015 😔 Compare the speeds of the conditional operator (ternary operator ?:) and the if-else statement in C#
8/12/2015 😔 Use the conditional operator (ternary operator ?:) in C#
8/10/2015 😔 Declare and initialize empty arrays in C#
8/7/2015 😔 Make a bobblehead in C#
8/6/2015 😔 Draw a big-headed politician in C#
8/5/2015 😔 Use a queue to draw a breadth-first colored binary tree in C#
8/5/2015 😔 Draw a breadth-first colored binary tree in C#
8/4/2015 😔 Draw a colored binary tree in C#
8/4/2015 😔 Recursively draw a binary tree in C#
8/3/2015 😔 Save images in an Access database in WPF and C#
7/31/2015 😔 Display images in an Access database in WPF and C#
7/30/2015 😔 Load an image at runtime in WPF and C#
7/29/2015 😔 Add ComboBox choices at runtime in C#
7/28/2015 😔 Continuously graph stock prices in C#
7/28/2015 😔 Move a form without a title bar in C#
7/27/2015 😔 Use image subtraction to compare images in C#
7/24/2015 😔 Compare images to find subtle differences in C#
7/23/2015 😔 Compare images to find differences in C#
7/23/2015 😔 Use a loop to load pictures in C#
7/22/2015 😔 Make a kaleidoscope program in C#
7/21/2015 😔 Pixellate parts of an image in C#
7/20/2015 😔 Make a closeup map in C#
7/10/2015 😔 Set the pixels in a WPF bitmap in C#
7/10/2015 😔 Recursively perform red eye reduction on a picture in C#
7/10/2015 😔 Perform red eye reduction on a picture in C#
7/10/2015 😔 Manage the recycle bin (wastebasket) in C#
7/9/2015 😔 Use WMI to get operating system information in C#
7/9/2015 😔 Zoom and scroll a picture drawn in C#
7/9/2015 😔 Format DataGridView columns in C#
6/29/2015 😔 Change audio gain in C#
6/26/2015 😔 Plot functions in C#, Part 3
6/25/2015 😔 Plot functions in C#
6/23/2015 😔 Make an HTML table of thumbnail images in C#
6/22/2015 😔 Make thumbnails and a web page to display the images in a directory in C#
6/21/2015 😔 Find files that match multiple patterns in C#
6/19/2015 😔 Add tabs to a TabControl at runtime in C#
6/18/2015 😔 Notes about Windows Phone development
6/17/2015 😔 Graph the sine, cosine, and tangent functions in C#
6/17/2015 😔 Make an improved owner-drawn TabControl in C#
6/16/2015 😔 Find Egyptian fractions in C#
6/15/2015 😔 Make a Fraction class in C#
6/12/2015 😔 Find shortest paths in a network C#
6/11/2015 😔 Use a control array in C#
6/10/2015 😔 Prevent Visual Studio from running programs with syntax errors
6/9/2015 😔 Zoom and crop a picture in C#
6/8/2015 😔 Use PixelOffsetMode in C#
6/6/2015 😔 Crop a picture in C#
6/5/2015 😔 Get and set file times in C#
6/4/2015 😔 Create a Visual Studio toolbar button
6/3/2015 😔 Create a Visual Studio tool
6/1/2015 😔 Display line numbers in the Visual Studio code editor
5/31/2015 😔 List the unique words in a Microsoft Word file in C#
5/29/2015 😔 Rotate around a point other than the origin in C#
5/28/2015 😔 Make an infinite series of menus in C#
5/27/2015 😔 Make generic Min and Max methods in C#
5/25/2015 😔 Create menu items at run time with images, shortcut keys, and event handlers in C#
5/23/2015 😔 Let the user draw rubber band ellipses (or other shapes) in C#
5/20/2015 😔 Make Windows shutdown, reboot, log off, lock, hibernate, and sleep in C#
5/18/2015 😔 Initialize arrays with ranges or repeated values in C#
5/16/2015 😔 Print a grid of values with alternating row colors in C#
5/15/2015 😔 Make a countdown timer in C#
5/14/2015 😔 Set RichTextBox tab stops in C#
5/14/2015 😔 Format text in a RichTextBox in C#
5/13/2015 😔 Make a class that wraps arrays with non-zero lower bounds in C#
5/12/2015 😔 Make a default indexer property for a class in C#
5/11/2015 😔 Make arrays with non-zero lower bounds in C#
5/10/2015 😔 Copy arrays quickly in C#
5/8/2015 😔 Draw a variety of fractal strange attractors in C#
5/8/2015 ❤️ Draw stars inside polygons in C#
5/8/2015 😔 Render text onto a RenderTargetBitmap with WPF and C#
5/8/2015 😔 Get font metrics in a WPF program using C#
5/4/2015 😔 Easily render rotated text in a WPF program using C#
5/1/2015 ❤️ Render text filled with an image in a WPF program using C#
4/30/2015 ❤️ Render outlined text in a WPF program using C#
4/29/2015 😔 Render text easily in a WPF program using C#
4/29/2015 ❤️ Render text in a WPF program using C#
4/28/2015 😔 Render polygons and polylines in a WPF program using C#
4/27/2015 😔 Render dashed lines in a WPF program using C#
4/26/2015 ❤️ Render an ellipse in a WPF program using C#
4/25/2015 😔 Remove part of an image in C#
4/24/2015 😔 Size a font to fit a Label in C#
4/20/2015 😔 Display an end user license agreement (EULA) in C#
4/19/2015 😔 Generate a schedule for a round robin tournament in C#
4/17/2015 😔 Animate a rectangle moving along a path in WPF and C#
4/16/2015 😔 Draw smooth spheres using WPF and C#
4/15/2015 😔 Draw spheres using WPF and C#
4/14/2015 😔 Draw smooth cylinders using WPF and C#
4/13/2015 😔 Draw cylinders using WPF and C#
4/11/2015 😔 Remove non-digits or non-letters from a string in C#
4/10/2015 😔 Draw a 3D surface from a set of data points with an altitude map using WPF and C#
4/9/2015 😔 Merge splash screens and videos in a directory in C#
4/8/2015 😔 Merge videos in C#
4/7/2015 😔 Change video quality in C#
4/6/2015 😔 Draw a curve with negative tension in C#
4/3/2015 😔 Draw a curve with varying tensions in C#
4/2/2015 😔 Change tension for a smooth curve in C#
4/1/2015 ❤️  Book: Beginning Software Engineering
4/1/2015 😔 Draw a smooth curve connecting points in C#
3/31/2015 😔 Let the user zoom on a picture in C#
3/30/2015 😔 Provide autosave in C#
3/27/2015 😔 Provide undo and redo in C#
3/26/2015 😔 Save and restore pictures drawn by the user in C#
3/25/2015 😔 Let the user scribble with different line styles in C#
3/24/2015 😔 Let the user scribble on a PictureBox in C#
3/20/2015 😔 Use steganography to hide one large picture inside another in C#
3/19/2015 😔 Use steganography to hide one picture inside another in C#
3/18/2015 😔 Use steganography to hide messages in an image in C#
3/17/2015 😔 Graph several pi approximations in C#
3/16/2015 😔 Approximate pi using several different methods in C#
3/15/2015 😔 Graph pi approximations in C#
3/14/2015 😔 In honor of Pi Day (3.14), approximate pi in C#
3/12/2015 😔 Use set operators in C#
3/10/2015 😔 Perform set operations in C#
3/9/2015 😔 (Book review) Essential Algorithms: A Practical Approach to Computer Algorithms
3/9/2015 😔 Obscure parts of a picture for privacy in C#
3/6/2015 😔 Understand event bubbling and tunneling in WPF and C#
3/5/2015 😔 Get the executing method name in C#
3/4/2015 😔 Enumerate pairs of objects in arrays or IEnumerables in C#
3/3/2015 😔 Use vectors to manage bouncing balls in C#
3/2/2015 😔 Use sprites to animate several bouncing balls in C#
3/1/2015 😔 Animate several bouncing balls in C#
2/28/2015 😔 Make a bouncing ball animation in C#
2/27/2015 😔 Make a WPF line editor C#
2/25/2015 😔 Measure character positions when drawing long strings in C#
2/24/2015 😔 Play tones with specific frequencies in C#
2/23/2015 😔 Play a WAV file in C#
2/20/2015 😔 Play an audio resource in C#
2/18/2015 😔 Drag and drop images while displaying a preview in C#
2/18/2015 😔 Drag and drop text with feedback in C#
2/18/2015 😔 Drag and drop images in C#
2/18/2015 😔 Drag and drop text in C#
2/17/2015 😔 Add a ToString extension method to the TimeSpan structure in C#
2/16/2015 😔 Find elapsed time in years, months, days, hours, minutes, and seconds in C#
2/15/2015 😔 Find the days, hours, minutes, or seconds between two dates in C#
2/13/2015 😔 Draw a family tree in C#
2/12/2015 😔 Draw a tree with nodes containing pictures in C#
2/11/2015 😔 Handle generic TreeNode mouse events in C#
2/10/2015 😔 Make a generic TreeNode class in C#, Part 2
2/9/2015 😔 Make a generic TreeNode class in C#, Part 1
2/6/2015 😔 Make a generic priority queue class in C#
2/4/2015 😔 Draw lines with custom end caps in C#
2/4/2015 😔 Draw lines with end caps in C#
2/4/2015 😔 Draw lines with custom dash patterns in C#
2/3/2015 😔 Draw dashed lines with different dash cap styles in C#
2/3/2015 😔 Draw dashed lines with different styles in C#
2/2/2015 😔 Use WMI to get the number of physical and logical processors in C#
2/1/2015 😔 Use branch and bound with an initial heuristic to solve the partition problem in C#
1/31/2015 😔 Use branch and bound to solve the partition problem in C#
1/30/2015 😔 Use exhaustive search to solve the partition problem in C#
1/29/2015 😔 Run a DOS application and capture its output in C#
1/28/2015 😔 Make CAPTCHA images with overlapping characters in C#
1/28/2015 😔 Make CAPTCHA images in C#
1/26/2015 😔 Draw a Sierpinski carpet in C#
1/26/2015 😔 Draw a Sierpinski triangle in C#
1/26/2015 😔 Make menus at run time for a WPF application in C#
1/22/2015 😔 Print stars in C#
1/21/2015 😔 Get file size and last modification time on an FTP server in C#
1/20/2015 😔 Upload files to an FTP server in C#
1/20/2015 😔 Upload text into a file on an FTP server in C#
1/19/2015 😔 Graph stock prices downloaded from the internet in C#
1/17/2015 😔 Convert between long and short file names in C#
1/16/2015 😔 Get stock prices from the internet in C#
1/16/2015 😔 Change program locale at runtime in C#
1/16/2015 😔 Test localized programs in C#
1/13/2015 😔 Localize a program in C#
1/12/2015 😔 Select N random items from an array in C#
1/12/2015 😔 Select random objects from an array in C#
1/11/2015 😔 Draw, move, and delete line segments in C#
1/7/2015 😔 Understand taxicab numbers in C#
1/6/2015 😔 Make owner drawn tooltips with pictures in C#
1/6/2015 😔 Make owner drawn menus in C#
1/6/2015 😔 Calculate Nth roots in C#
1/5/2015 😔 List unique words in a text file in C#
1/5/2015 😔 Access firewall information and check firewall status using the dynamic keyword in C#
1/5/2015 😔 Display Unicode symbols in C#
1/4/2015 😔 Draw a Phoenix set fractal in C#
1/4/2015 😔 Draw smooth graphics in C#
12/31/2014 😔 Draw on a bitmap in C#
12/30/2014 😔 Draw in a Paint event handler in C#
12/29/2014 😔 Let controls share event handlers in C#
12/28/2014 😔 Use the params keyword in C#
12/27/2014 😔 Split and join strings in C#
12/26/2014 😔 Get the system's board serial numbers and CPU IDs in C#
12/24/2014 😔 Make a blinking label in WPF and C#
12/22/2014 ❤️ Let the user move and resize a rectangle in WPF and C#
12/20/2014 😔 Register a program for a particular system in C#
12/20/2014 😔 Set form client size in C#
12/20/2014 😔 Size forms to fit their contents in C#
12/19/2014 😔 Draw a Bezier curve by hand in C#
12/19/2014 😔 Draw a Bezier curve in C#
12/19/2014 ❤️ Find, open, and replace text in files in C#
12/18/2014 ❤️ Find files and replace text in them in C#
12/16/2014 😔 Improve the jigsaw puzzle program in C#
12/15/2014 😔 Make a jigsaw puzzle in C#
12/11/2014 😔 Send secret Santa emails in C#
12/9/2014 😔 Calculate the number of secret Santa permutations in C#
12/8/2014 😔 Pick a secret Santa assignment in C#
12/6/2014 😔 Send email in C#
12/5/2014 😔 Make extension methods that randomize arrays and lists in C#
12/5/2014 😔 Draw lines with arrowheads in C#
12/5/2014 😔 Display unique progress bars in C#
12/4/2014 😔 Review of my book C# 5.0 Programmer's Reference
12/4/2014 😔 Partition an area with circles and draw each region's count in C#
12/2/2014 😔 Display a simple password dialog before a program starts in C#
12/1/2014 😔 Find a Region centroid in C#
12/1/2014 😔 Find the area where circles overlap in C#
12/1/2014 😔 Find the tangent lines between two circles in C#
11/30/2014 😔 Remove the hyperlinks from a Word document in C#
11/30/2014 😔 Find the tangent lines between a point and a circle in C#
11/29/2014 😔 Print a form or control in C#
11/29/2014 😔 Force garbage collection in C#
11/28/2014 😔 Handle DataGridView errors in C#
11/28/2014 😔 Build a DataTable and bind it to a DataGridView in C#
11/28/2014 😔 Bind a DataGrid to a DataSet holding multiple tables at runtime in C#
11/27/2014 😔 List OLE DB providers installed on the system in C#
11/27/2014 😔 Draw a labeled line graph that displays value tooltips in C#
11/27/2014 ❤️ Map points between coordinate systems in C#
11/27/2014 😔 Execute ad hoc SQL commands in C#
11/26/2014 😔 Execute ad hoc SQL queries in C#
11/26/2014 😔 Compare LINQ speeds for different approaches in C#
11/26/2014 😔 Use LINQ to find a bounding box for a list of PointF in C#
11/26/2014 😔 Use LINQ Min, Max, and Average extension methods in C#
11/25/2014 😔 Read a CSV file into an array in C#
11/25/2014 😔 Use Newton's method to draw fractals for polynomial equations in C#
11/25/2014 😔 Use Newton's method to draw fractals for equations of the form F(z) = z^C - C^z in C#
11/25/2014 😔 Use Newton's method to draw a fractal in C#
11/23/2014 😔 Make a modal context menu in C#
11/22/2014 😔 How to become an expert programmer
11/18/2014 😔 Make an owner-drawn ListBox with pictures in C#
11/17/2014 😔 Make an owner-drawn ListBox in C#
11/15/2014 😔 Get the current time from the NIST server in C#
11/15/2014 😔 Convert dates into an ordinal format (as in August 20th, 2020) in C#
11/15/2014 😔 Convert an integer into an ordinal (1st, 2nd, 3rd) in C#
11/15/2014 😔 Add a picture to a Word document in C#
11/15/2014 😔 Create a Word document in C#
11/15/2014 😔 Draw a filled chrysanthemum curve in C#
11/15/2014 😔 Draw a chrysanthemum curve in C#
11/11/2014 😔 See where a line intersects a conic section in C#
11/10/2014 😔 See where two conic sections intersect in C#
11/10/2014 😔 Select a conic section in C#
11/10/2014 😔 See where a parabola and hyperbola intersect in C#
11/9/2014 😔 Read Excel data in C#
11/9/2014 😔 Write Excel data in C#
11/8/2014 😔 Control the print preview dialog in C#
11/7/2014 😔 Scale a drawing to fit a target area in C#
11/7/2014 😔 Use double buffering to prevent flicker in a PictureBox in C#
11/7/2014 😔 Use double buffering to prevent flicker when drawing in C#
11/7/2014 😔 Draw a colored butterfly curve in C#
11/7/2014 😔 Draw an animated epitrochoid in C#
11/7/2014 😔 Draw an epitrochoid in C#
11/7/2014 😔 Use TabControl accelerators in C#
11/6/2014 😔 Make an owner-drawn TabControl in C#
11/6/2014 😔 Generate and display HTML in C#
11/5/2014 😔 Understand C# regular expression symbols
11/5/2014 😔 Replace text in the lines of a string in C#
11/5/2014 😔 Replace text matching a pattern in C#
11/5/2014 😔 Show regular expression matches in C#
11/4/2014 😔 Use a BackgroundWorker in C#
11/3/2014 😔 Use multiple threads to draw a graph in C#
11/2/2014 😔 Draw a conic section from its polynomial equation in C#
11/2/2014 😔 See where two ellipses intersect in C#, Part 4
11/2/2014 😔 See where two ellipses intersect in C#, Part 3
11/2/2014 😔 See where two ellipses intersect in C#, Part 2
11/2/2014 😔 See where two ellipses intersect in C#, Part 1
11/1/2014 😔 Use Newton's method to find the roots of equations in C#
11/1/2014 😔 Calculate the formula for an ellipse selected by the user in C#
11/1/2014 😔 Calculate the formula for a circle selected by the user in C#
10/31/2014 😔 Select parts of a scaled image in a PictureBox with different SizeMode values in C#
10/30/2014 😔 Find a least squares Weibull curve fit for a set of points in C#
10/30/2014 😔 Find an exponential least squares fit for a set of points in C#
10/30/2014 😔 Find a polynomial least squares fit for a set of points in C#
10/30/2014 😔 Find a linear least squares fit for a set of points in C#
10/30/2014 😔 Solve a system of equations with Gaussian elimination in C#
10/29/2014 😔 Display custom colors in the color selection dialog in C#
10/28/2014 😔 Rainbowize an image in C#
10/28/2014 😔 Use an ImageAttributes object to apply general color tones to an image in C#
10/28/2014 😔 Use an ImageAttributes object to convert an image to shades of red, green, or blue in C#
10/28/2014 😔 Use an ImageAttributes object to convert an image to sepia tone in C#
10/28/2014 😔 Use an ImageAttributes object to convert an image to monochrome in C#
10/28/2014 😔 Use an ImageAttributes object to adjust an image's brightness in C#
10/27/2014 😔 Quickly convert an image to grayscale in C#
10/24/2014 😔 Validate a switch statement that uses values from an enumerated type in C#
10/24/2014 😔 Let the user select and deselect 3D objects using WPF and C#
10/23/2014 😔 Perform hit testing in a 3D program that uses WPF, XAML, and C#
10/22/2014 😔 Use segments to draw 3D axes with tic marks using WPF and C#
10/22/2014 😔 Use segments to draw 3D arrows using WPF and C#
10/22/2014 😔 Draw triangle vertex normals on a 3D model using WPF and C#
10/21/2014 😔 Draw surface normals on a 3D model using WPF and XAML
10/20/2014 ❤️ Draw a 3D wireframe using WPF and C#
10/18/2014 ❤️ Draw improved 3D line segments using WPF and C#
10/18/2014 ❤️ Draw interlocked tetrahedrons in a cage of "line segments" using WPF and C#
10/18/2014 😔 Draw two interlocked tetrahedrons defined by a cube using WPF and C#
10/17/2014 😔 Use a dictionary to draw a 3D Menger sponge fractal more efficiently using WPF, XAML, and C#
10/17/2014 😔 Draw a 3D Menger sponge fractal using WPF, XAML, and C#
10/16/2014 😔 Apply textures to triangles using WPF and C#
10/15/2014 😔 Fully justify paragraphs of text in C#
10/15/2014 😔 Fully justify a line of text in C#
10/14/2014 ❤️ Create a 3D surface very quickly with WPF, XAML, and C#
10/14/2014 ❤️ Create a 3D surface more quickly with WPF, XAML, and C#
10/14/2014 ❤️ Draw a smooth 3D surface with WPF, XAML, and C#
10/13/2014 ❤️ Draw a 3D surface with WPF, XAML, and C#
10/13/2014 ❤️ Understand 3D drawing with WPF, XAML, and C#
10/13/2014 😔 Use static resources to customize a XAML program
10/13/2014 😔 Use static resources to draw three interlocked boxes using XAML and C#
10/13/2014 😔 Draw three interlocked boxes using XAML and C#
10/13/2014 😔 Draw interlocked tetrahedrons using XAML and C#
10/13/2014 😔 Rotate a tetrahedron with crisp edges using XAML and C#
10/13/2014 😔 Rotate a tetrahedron using XAML and C#
10/13/2014 😔 Make a 3D cube with pictures on its sides with XAML and C#
10/12/2014 😔 Make a continuously spinning 3D cube with XAML and C#
10/12/2014 😔 Rotate a 3D cube using XAML and C#
10/10/2014 😔 Draw a 3D surface overlaid with a shaded altitude map using WPF and C#
10/10/2014 😔 Draw a 3D surface overlaid with a grid using WPF and C#
10/10/2014 😔 Initialize a ComboBox from an enumeration in C#
10/10/2014 😔 Convert between Pascal case, camel case, and proper case method 2 in C#
10/10/2014 😔 Convert between Pascal case, camel case, and proper case in C#
10/9/2014 😔 Draw and move polygons snapping them to a grid in C#
10/8/2014 😔 Let the user draw polygons, move them, and add points to them in C#
10/7/2014 😔 Let the user draw and move polygons in C#
10/7/2014 😔 Let the user draw polygons in C#
10/6/2014 😔 Draw and move line segments snapping to a grid in C#
10/5/2014 😔 Draw and move line segments in C#
10/4/2014 😔 Use a GraphicsPath to determine whether a point lies inside a polygon in C#
10/4/2014 😔 Use the File.Replace method to backup files in C#
10/4/2014 😔 Make a log file with multiple overflow versions in C#
10/4/2014 😔 Use the Debug class's Assert method to find bugs in C#
10/2/2014 😔 Use a NotifyIcon in C#
10/1/2014 😔 Make a close-up window for an image in C#
10/1/2014 😔 Draw 2D and 3D borders in C#
9/30/2014 😔 Use nullable parameters in C#
9/30/2014 😔 Use null to simulate optional parameters in C#
9/30/2014 😔 Use overloaded methods to simulate optional parameters in C#
9/30/2014 😔 Calculate and highlight DataGridView values in C#
9/30/2014 😔 Initialize DataGridView controls with objects in C#
9/29/2014 😔 Draw a colored fractal curve generated by prime numbers in C#
9/29/2014 😔 Draw a fractal curve generated by prime numbers in C#
9/29/2014 😔 Set DataGridView column styles in C#
9/29/2014 😔 Use the predefined system colors in C#
9/29/2014 😔 Encrypt or decrypt files in C#
9/26/2014 😔 Convert between byte arrays and hexadecimal strings in C#
9/26/2014 😔 Generate random strings in C#
9/26/2014 😔 Draw a fractal generated by prime numbers in C#
9/26/2014 😔 Map numeric values to and from colors in a color gradient in C#
9/26/2014 😔 Map numeric values to and from colors in a color gradient in C#
9/25/2014 😔 Let the user drag an image with transparent pixels over a background image in C#
9/24/2014 😔 Zoom on a graph with XAML code in C#
9/24/2014 😔 Zoom on a graph in WPF and C#
9/24/2014 ❤️ Let the user click on graph points in WPF and C#
9/23/2014 ❤️ Draw a graph with rotated text in WPF and C#
9/23/2014 ❤️ Draw a graph with labels in WPF and C#
9/22/2014 ❤️ Draw a graph with even tic marks in WPF and C#
9/21/2014 ❤️ Use transformations to draw a graph in WPF and C#
9/20/2014 ❤️ Draw a graph in WPF and C#
9/19/2014 😔 See what kinds of data are available in the clipboard and display them in C#
9/19/2014 😔 Get the image of a control or form, or a form's client area in C#
9/19/2014 😔 Save an image of the computer's screen in a file in C#
9/19/2014 😔 Copy and paste data in multiple formats to the clipboard in C#
9/19/2014 😔 Copy and paste objects to the clipboard in C#
9/19/2014 😔 Print data in rows and columns in C#
9/18/2014 😔 Use the DotNetZip library to compress and decompress files in C#
9/18/2014 😔 Draw level curves for an array of z values in C#
9/17/2014 😔 Draw level curves for functions of two variables z = F(x, y) in C#
9/17/2014 😔 Plot a heart-shaped function in C#
9/17/2014 😔 Use a type converter with a PropertyGrid control in C#
9/17/2014 😔 Use PropertyGrid descriptions and categories in C#
9/17/2014 😔 Use a PropertyGrid to let the user edit objects in C#
9/17/2014 😔 Make a shaped form by setting its region in C#
9/16/2014 😔 Plot a smiley face function in C#
9/16/2014 😔 Pass a method to another method in C#
9/16/2014 😔 Plot an equation containing two variables in C#
9/15/2014 😔 Sort a ListView using the column you click in C#
9/14/2014 😔 Sort a ListView control using all of its columns in C#
9/14/2014 😔 Implement an interface in C#
9/14/2014 ❤️ Draw text filled with a picture in C#
9/14/2014 😔 Use VBA code to pick random cells from the currently selected cells in an Excel workbook
9/13/2014 😔 What is WPF and why should you care?
9/12/2014 ❤️ Use regular expressions to rename files within a date range and that match a pattern in C#
9/12/2014 😔 Write a graphical floodfill method in C#
9/12/2014 😔 Paste a PNG format image with a transparent background from the clipboard in C#
9/12/2014 😔 Copy an irregular area from a picture to the clipboard in C#
9/12/2014 😔 Copy an irregular area from one picture to another in C#
9/11/2014 😔 Find the ListView row and column under the mouse in C#
9/11/2014 😔 Easily add column headers and items to a ListView control in C#
9/11/2014 ❤️ Use regular expressions to rename files that match a pattern in C#
9/10/2014 😔 Format an XML file so it looks nice in C#
9/10/2014 😔 Use objects to make an XML document in C#
9/10/2014 😔 Build a formatted XML document in memory in C#
9/10/2014 😔 Load a TreeView from a tab-delimited file in C#
9/10/2014 😔 Load a TreeView control from an XML file in C#
9/10/2014 😔 Automatically resize ListView columns to fit their data in C#
9/10/2014 😔 Copy data in a two-dimensional array into a ListView control in C#
9/10/2014 😔 Use the Bitmap class's RotateFlip method to easily flip and rotate an image in C#
9/9/2014 😔 Use an event handler for multiple controls in C#
9/9/2014 😔 Invoke public methods by using their names in C#
9/9/2014 😔 Use DrawPolygon and DrawLines to draw shapes (and understand the different results) in C#
9/9/2014 😔 Explore Unicode characters in C#
9/8/2014 😔 Use preprocessor directives in C#
9/8/2014 😔 Use mathematical and other special symbols in HTML code
9/8/2014 😔 Display animated GIFs and change them at run time in C#
9/8/2014 😔 Draw a skewed Sierpinski gasket with any number of corners in C#
9/6/2014 😔 Draw a Sierpinski gasket in C#
9/6/2014 😔 Determine where two circles intersect in C#
9/5/2014 😔 Determine where a line intersects a circle in C#
9/5/2014 ❤️ Use WPF to make a download button in C#
9/4/2014 ❤️ Draw an ellipse that sort of looks like a button in C#
9/4/2014 😔 Use the using statement to automatically call Dispose in C#
9/3/2014 😔 Redraw a form whenever it resizes in C#
9/3/2014 😔 Compare the speeds of different methods for string concatenation in C#
9/3/2014 😔 Draw a Pickover strange attractor fractal in C#
9/3/2014 😔 Make an extender provider that validates required TextBoxes in C#
9/2/2014 😔 Learn why a form is closing in C#
9/2/2014 😔 Apply a filter to make a color embossed image in C#
9/2/2014 😔 Pixellate an image and create other effects in C#
9/2/2014 😔 Use image filters to perform edge detection, smoothing, embossing, and more in C#
9/2/2014 😔 Convert bases decimal, hexadecimal, octal, and binary in C#
9/2/2014 😔 Understand font aliasing issues in C#
8/29/2014 😔 Use value equality to compare font objects in C#
8/29/2014 😔 Display a font selection dialog with an Apply button in C#
8/29/2014 😔 Make a program display its own binary code in three ways in C#
8/27/2014 😔 Use the Bitmap32 class to manipulate image pixels very quickly in C#
8/27/2014 😔 Add GetPixel and SetPixel methods to the Bitmap24 class in C#
8/27/2014 😔 Use the Bitmap24 class to manipulate image pixels very quickly in C#
8/27/2014 😔 Let the user move the center point of elliptical gradient in C#
8/27/2014 😔 Fill an area with an elliptical gradient in C#
8/27/2014 😔 Fill a polygon with a PathGradientBrush in C#
8/27/2014 😔 Use a LinearGradientBrush in C#
8/26/2014 😔 Select full rows in a ListView and store extra information with ListView rows in C#
8/26/2014 😔 Parse currency values in C#
8/25/2014 😔 Draw striped lines in C#
8/25/2014 ❤️ Draw a star with a given number of points in C#
8/25/2014 ❤️ Draw a non-intersecting star in C#
8/25/2014 ❤️ Draw a star in C#
8/23/2014 See a review of my book "C# 5.0 Programmer's Reference" at the Denver Visual Studio User Group web site
8/23/2014 😔 See how much time a checked block takes in C#
8/23/2014 😔 Control overflow behavior with checked and unchecked in C#
8/22/2014 😔 Use a bitmap to visualize composite runs in C#
8/22/2014 😔 Find runs of composite numbers (non-primes) in C#
8/21/2014 😔 Use a bitmap to visualize odd primes in C#
8/21/2014 😔 Use a bitmap to visualize primes in C#
8/21/2014 ❤️ Use Euler's Sieve to find prime numbers in C#
8/21/2014 ❤️ Use the Sieve of Eratosthenes to find prime numbers in C#
8/21/2014 😔 Make a checked GroupBox in C#
8/21/2014 😔 Change control stacking order in C#
8/20/2014 😔 Make menu items behave like check boxes in C#
8/20/2014 😔 Make toolstrip buttons act like radio buttons in C#
8/20/2014 😔 Make menu items act like radio buttons in C#
8/19/2014 😔 Select ComboBox or ListBox values that contains target text in C#
8/19/2014 😔 Draw a timezone conversion chart in C#
8/19/2014 😔 Use Microsoft Word to make a timezone conversion chart in C#
8/19/2014 😔 List the defined locales in C#
8/19/2014 😔 List timezones in C#
8/19/2014 😔 Use custom numeric formats in C#
8/19/2014 😔 Use custom date and time formats in C#
8/19/2014 😔 Use standard numeric formats in C#
8/19/2014 😔 Use standard date and time formats in C#
8/19/2014 😔 Use the DateTime class's standard formatting methods in C#
8/19/2014 😔 Use ListView data to generate HTML TABLE code in C#
8/19/2014 😔 Use groups in a ListView control in C#
8/18/2014 😔 Draw text filled with random colored circles in C#
8/18/2014 😔 Draw text filled with random colored lines in C#
8/18/2014 😔 Draw text in random colors in C#
8/18/2014 😔 Draw text filled with random lines in C#
8/18/2014 😔 Draw text filled with text in C#
8/18/2014 😔 Draw hollow text in C#
8/17/2014 😔 Use try catch blocks to protect against unexpected errors in C#
8/15/2014 😔 Use TryParse to parse values entered by the user in C#
8/15/2014 😔 Parse user-entered values in C#
8/15/2014 😔 Draw a smooth vortex fractal in C#
8/15/2014 😔 Draw a vortex fractal in C#
8/15/2014 😔 Draw a curlicue fractal in C#
8/15/2014 😔 Draw rainbow text in C#
8/15/2014 😔 Get font metrics in C#
8/15/2014 😔 Measure character positions in a drawn string in C#
8/15/2014 😔 Use LINQ to list files and file sizes in a directory in C#
8/14/2014 😔 Use reflection to enumerate HatchStyle values and display samples of them in C#
8/14/2014 😔 Use reflection to easily list the values defined by an enumerated type in C#
8/14/2014 😔 Use reflection to list the values defined by an enum in C#
8/14/2014 😔 Display images of the cursors available in C#
8/14/2014 😔 Copy, cut, and paste parts of an image to the clipboard in C#
8/13/2014 ❤️ Use a rubber band box to let the user select an area in a picture in C#
8/13/2014 😔 Find a minimal bounding circle of a set of points in C#
8/13/2014 😔 Draw a circle through three points in C#
8/12/2014 😔 Find the shortest distance between two line segments in C#
8/12/2014 ❤️ Determine where two lines intersect in C#
8/12/2014 😔 Copy and paste text to and from the clipboard C#
8/12/2014 😔 Calculate the factorial function and use Debug.Assert in C#
8/12/2014 😔 Give classes auto implemented properties and initializing constructors in C#
8/12/2014 😔 Initialize arrays, lists, and class instances in C#
8/12/2014 😔 Override a class's ToString method to allow controls such as ListBox to display objects in C#
8/12/2014 😔 Start another program and wait until it finishes in C#
8/12/2014 😔 Open a file with the system's default application in C#
8/12/2014 😔 Combine and resolve relative paths in C#
8/11/2014 😔 Draw an animated hypotrochoid (Spirograph curve) in C#
8/11/2014 😔 Draw a hypotrochoid (Spirograph curve) in C#
8/11/2014 ❤️ Calculate the greatest common divisor (GCD) and least common multiple (LCM) of two integers in C#
8/10/2014 😔 Generate all selections of K items from a set of N items in C#
8/10/2014 😔 Calculate the binomial coefficient "N choose K" efficiently in C#
8/10/2014 😔 Generate all of the permutations of a set of objects in C#
8/10/2014 😔 Make a notepad application that uses encryption in C#
8/10/2014 😔 Make a password manager in C#
8/8/2014 😔 Use cryptographic methods to generate random passwords in C#
8/8/2014 😔 Use a cryptographic random number generator in C#
8/8/2014 ❤️ Use the .NET cryptography library to make extension methods that encrypt and decrypt strings in C#
8/7/2014 😔 Protect a program from SQL injection attacks in C#
8/5/2014 😔 Use WMI to get information including the operating system's name in C#
8/5/2014 😔 Make a web browser that only allows certain web sites in C#
8/5/2014 😔 Provide printing and print previews with advanced features for Windows Forms applications in C#
8/4/2014 😔 Provide print previews and printing for Windows Forms applications in C#
8/4/2014 😔 Create controls for a tic-tac-toe application at run time in C#
8/3/2014 😔 Make a shaped button in C#
8/1/2014 😔 Use the TableLayoutPanel control in C#
8/1/2014 😔 Post some book reviews!
7/31/2014 😔 Find a number's prime factors in C#
7/30/2014 ❤️ Perform geometric operations on polygons in C#
7/29/2014 ❤️ Find a minimal bounding rectangle for a polygon in C#
7/29/2014 ❤️ Triangulate a polygon in C#
7/29/2014 ❤️ Find the centroid of a polygon in C#
7/29/2014 ❤️ Reverse the orientation of a polygon in C#
7/29/2014 ❤️ Determine whether a polygon is oriented clockwise or counterclockwise in C#
7/28/2014 ❤️ Calculate the area of a polygon in C#
7/28/2014 ❤️ Determine whether a point is inside a polygon in C#
7/28/2014 ❤️ Determine whether a polygon is convex in C#
7/27/2014 😔 Draw a Sierpinski fractal curve in C#
7/27/2014 😔 Draw a strange attractor fractal in C#
7/27/2014 😔 Make a dialog with standard dialog features in C#
7/25/2014 😔 Use standard dialogs in C#
7/25/2014 😔 Use WndProc to read Windows messages in C#
7/24/2014 ❤️ Find the convex hull of a set of points in C#
7/24/2014 😔 Align text drawn by DrawString in C#
7/23/2014 😔 Sort objects in C#
7/23/2014 😔 Use WMI to get detailed printer information in C#
7/23/2014 😔 Display font samples on a computer in C#
7/22/2014 😔 Let the user select rectangular areas in an image in C#
7/22/2014 😔 Optimize JPEG compression level and file size in C#
7/22/2014 😔 Format file sizes in KB, MB, GB, and so forth in C#
7/22/2014 ❤️ Easily save and restore a form's settings in the Registry in C#
7/22/2014 😔 Change image file types in a directory in C#
7/21/2014 😔 C# Helper RSS feed
7/21/2014 ❤️ Resize pictures in a directory in C#
7/21/2014 😔 Resize images and save the results in C#
7/21/2014 ❤️ Save images with an appropriate format depending on the file name's extension in C#
7/21/2014 ❤️ Load images without locking their files in C#
7/20/2014 ❤️ Save and restore program settings in C#
7/20/2014 😔 Calculate logarithms in different log bases in C#
7/19/2014 😔 Convert between Excel column numbers and names in C#
7/19/2014 😔 Make a transparent form and let the user move it in C#
7/17/2014 😔 Set tab positions inside a ListBox or TextBox in C#
7/17/2014 😔 Draw a Mandelbrot set fractal with smoothly shaded colors in C#
7/17/2014 😔 Use a Complex number class to draw a Mandelbrot set fractal easily in C#
7/17/2014 😔 Draw a Mandelbrot set fractal in C#
7/16/2014 😔 Programmatically adjust the splitter in a SplitContainer control in C#
7/16/2014 😔 List installed fonts on your system in C#
7/16/2014 😔 Get command line arguments in C#
7/16/2014 😔 Calculate compound interest over time in C#
7/16/2014 😔 Find controls by name in C#
7/16/2014 😔 Make a string extension to determine whether a string matches a regular expression in C#
7/16/2014 😔 Make random groups of people or other objects in C#
7/14/2014 😔 Randomize arrays in C#
7/13/2014 😔 Make an extension method to convert numbers into words (as in "one thousand eight hundred twelve") in C#
7/13/2014 😔 Evaluate mathematical expressions with code in C#
7/13/2014 😔 Download files from the web in C#
7/13/2014 😔 Execute ad hoc database commands such as CREATE TABLE, INSERT INTO, DROP TABLE, and so forth in C#
7/12/2014 😔 Measure elapsed time in C#
7/12/2014 😔 Use resources to hold images, text, and other data, and load it at run time in C#
7/12/2014 😔 Place a notify icon in the notification area in C#
7/12/2014 😔 Search files in a directory hierarchy for a target string in C#
7/12/2014 😔 Create controls at runtime and add them to a form or inside a container in C#
7/11/2014 ❤️ Draw a Barnsley fern fractal in C#
7/11/2014 😔 Override ToString to allow controls such as ListBox to display objects in C#
7/11/2014 ❤️ Draw rotated text in C#
7/11/2014 😔 Add items to the Send To menu
7/11/2014 😔 Programmatically add new rows to an unbound DataGridView control in C#
7/11/2014 ❤️ Draw a Buddhabrot fractal in C#
7/11/2014 ❤️ Draw a Hilbert curve fractal in C#
7/10/2014 ❤️ Test different methods that compare directories to see which files they have in common in C#
7/10/2014 ❤️ Compare directories to see which files they have in common in C#
7/10/2014 ❤️ Draw backwards text in C#
7/10/2014 ❤️ Get information about a disk drive such as size and available space in C#
7/10/2014 ❤️ Play system sounds: beep, asterisk, question, etc. in C#
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