-
Recent Books:
![[WPF 3d, Three-Dimensional Graphics with WPF and C#]](http://www.csharphelper.com/wpf3d_160_200.png)
![[The C# Helper Top 100]](http://www.csharphelper.com/top100_161_200.png)
![[Interview Puzzles Dissected]](http://www.csharphelper.com/interview_puzzles_161_200.jpg)
![[C# 24-Hour Trainer]](http://www.csharphelper.com/csharp24hr_2e_79x100.jpg)
![[Beginning Software Engineering]](http://www.csharphelper.com/sw_eng_tiny.png)
![[C# 5.0 Programmer's Reference]](http://www.csharphelper.com/csharp_prog_ref_80x100.png)
![[Essential Algorithms: A Practical Approach to Computer Algorithms]](http://www.csharphelper.com/essential_algs_81x100.jpg)
Recent Videos:
![[Mastering Events and Delegates in C#]](http://www.csharphelper.com/mastering_events_61_100.png)
![[Using Interfaces in C#]](http://www.csharphelper.com/using_interfaces_60_100.png)
![[Learning Data Structures and Algorithms]](http://www.csharphelper.com/algs_video_tiny.png)
![[Learning Visual Basic .NET]](http://www.csharphelper.com/vb_video_tiny.png)
-
Recent Posts
-
Recent Comments
- Draw a smooth closed curve in WPF and C# - C# HelperC# Helper on Draw a smooth curve in WPF and C#
- RodStephens on Perform hit testing in a 3D program that uses WPF, XAML, and C#
- RodStephens on Let the user draw and move line segments snapping their positions to a snap grid in C#
- Mohamed Ali Laroussi on Perform hit testing in a 3D program that uses WPF, XAML, and C#
- Bret on Let the user draw and move line segments snapping their positions to a snap grid in C#
Archives
- April 2019
- March 2019
- February 2019
- January 2019
- December 2018
- November 2018
- October 2018
- September 2018
- August 2018
- July 2018
- June 2018
- May 2018
- April 2018
- March 2018
- February 2018
- January 2018
- December 2017
- November 2017
- October 2017
- September 2017
- August 2017
- July 2017
- June 2017
- May 2017
- April 2017
- March 2017
- February 2017
- January 2017
- December 2016
- November 2016
- October 2016
- September 2016
- August 2016
- July 2016
- June 2016
- May 2016
- April 2016
- March 2016
- February 2016
- January 2016
- December 2015
- November 2015
- October 2015
- September 2015
- August 2015
- July 2015
- June 2015
- May 2015
- April 2015
- March 2015
- February 2015
- January 2015
- December 2014
- November 2014
- October 2014
- September 2014
- August 2014
- July 2014
- June 2014
- May 2014
- February 2014
- January 2014
- December 2013
- October 2013
- August 2013
- June 2013
- December 2012
- September 2012
- July 2012
- June 2012
- November 2011
- May 2011
- April 2011
- February 2011
- December 2010
Categories
- .NET
- 3D
- 3D graphics
- ADO.NET
- algorithms
- animation
- API
- arrays
- attributes
- audio
- books
- C#
- C# programming
- calculations
- challenges
- classes
- clipboard
- coding
- combinatorics
- console
- controls
- cryptography
- curve fitting
- database
- debugging
- dialogs
- directories
- Drag and Drop
- drawing
- drawings
- enums
- Event
- events
- example program
- Excel
- extension methods
- extensions
- files
- finance
- fonts
- formatting
- forms
- fractals
- ftp
- games
- GDI+
- generic
- geometry
- globalization
- graphics
- html
- IDE
- image processing
- inheritance
- interfaces
- internationalization
- internet
- interoperability
- LINQ
- lists
- localization
- mathematics
- memory
- menus
- MessageBox
- methods
- miscellany
- multimedia
- network
- Office
- OOP
- operators
- parsing
- performance
- phone
- PowerPoint
- printers
- printing
- productivity
- programs
- puzzles
- recursion
- reflection
- registry
- regular expressions
- serialization
- settings
- SQL
- stories
- strings
- syntax
- system
- threading
- three-dimensional graphics
- tips
- tools
- transformations
- Uncategorized
- user interface
- variables
- VBA
- web
- Windows Forms programming
- WMI
- Word
- wpf
- XAML
- XML
Meta
Tag Archives: example program
Draw a smooth closed curve in WPF and C#
The post Draw a smooth curve in WPF and C# explains how you can create a series of Bézier curves to smoothly connect a group of points. This example shows how to modify that one to create a smooth closed … Continue reading
Posted in drawing, graphics, wpf
Tagged Bézier curve, C#, C# programming, closed curve, drawing, example, example program, graphics, smooth closed curve, smooth curve, Windows Forms programming, WPF
Leave a comment
Draw a smooth curve in WPF and C#
In Windows Forms programming, you can draw a smooth curve by using the Graphics object’s DrawCurve method. For some reason, Microsoft did not provide the ability to draw a smooth curve in WPF. Fortunatrely, you can use a series of … Continue reading
Posted in drawing, graphics, wpf
Tagged Bézier curve, C#, C# programming, drawing, example, example program, graphics, smooth curve, Windows Forms programming, WPF
1 Comment
Let the user draw a smooth curve in C#
This example lets the user click points to draw a smooth curve. When the user clicks the left mouse button, the program adds a point to the curve. When the user clicks the right button, the program stops drawing the … Continue reading
Posted in drawing, graphics
Tagged C#, C# programming, DrawCurve, drawing, example, example program, graphics, smooth curve, spline, Windows Forms programming
2 Comments
Delete files from multiple folders quickly and easily in C#
The example Delete files quickly and easily in C# lets you make a list of files matching a pattern, check the files that you want deleted, and then delete them all quickly. Reader Uldis posted a comment asking how to … Continue reading
Posted in files, system
Tagged C#, C# programming, clean file system, clean files, delete files, example, example program, file system, files, system, Windows Forms programming
Leave a comment
Use sines and cosines to draw circles and ellipses in C#
This example shows how you can use trigonometric functions to draw circles. It’s such a basic technique that I often forget that it’s not completely obvious to everyone. Given a radius R and an angle θ, the equations x = … Continue reading
Posted in drawing, graphics, mathematics
Tagged C#, C# programming, circle, draw circles, drawing, ellipse, example, example program, graphics, mathematics, Windows Forms programming
Leave a comment
“WPF 3d” code is avialable on GitHub
I have posted the source code for my book WPF 3d, Three-Dimensional Graphics with WPF and C# on GitHub in this repository. Feel free to download the examples and experiment with them. If you make any particularly interesting new images, … Continue reading
Posted in 3D, 3D graphics, books, graphics, three-dimensional graphics
Tagged 3D, 3D graphics, books, C#, C# programming, example, example program, graphics, three-dimensional graphics, Windows Forms programming, WPF 3d
Leave a comment
Calculate the great circle distance between two latitudes and longitudes in C#
At a small scale, the world is relatively flat. At larger scale, however, is it roughly spherical. (Sorry flat-earthers.) That means the shortest distance between two points on the globe is not a straight line. (Unless you have amazing teleportation … Continue reading
Posted in mathematics
Tagged C#, C# programming, distances, example, example program, great circle distance, latitude, longitude, mathematics, Windows Forms programming
Leave a comment
Load Excel records into a DataGridView in C#
This example shows how you can load Excel records into a DataGridView control. You can use similar techniques to load Excel data into other controls such as other kinds of grid controls or a TreeView control. This example uses the … Continue reading
Make a picture with a transparent hole in it in C#
The example Create oval images in C# shows how to make a transparent image with an oval-shaped picture in it. This example shows how to do the converse: it makes an image with a transparent hole in the middle of … Continue reading