-
Recent Posts
-
Recent Comments
Archives
- March 2021
- February 2021
- January 2021
- December 2020
- November 2020
- October 2020
- September 2020
- August 2020
- July 2020
- June 2020
- May 2020
- April 2020
- March 2020
- February 2020
- January 2020
- December 2019
- November 2019
- October 2019
- September 2019
- August 2019
- July 2019
- June 2019
- May 2019
- 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
Monthly Archives: July 2020
Use VBA code to pick random cells from a filtered selection in an Excel workbook
This example shows how you can use VBA code to pick random cells in an Excel workbook when the selected cells are filtered. The post Use VBA code to pick random cells from the currently selected cells in an Excel … Continue reading
Posted in Excel, VBA
Tagged C#, C# programming, example, example program, Excel, pick random cells, pick random elements, pick random items, random, VBA, Windows Forms programming
Leave a comment
Use command line arguments to open files in C#
Whenever a C# program starts, it receives command line arguments. You can use those arguments to let your program open files that are associated with the program. For example, when you double-click a .doc or .docx file, Microsoft Word opens … Continue reading
Posted in serialization, system
Tagged C#, C# programming, command line arguments, example, example program, serialization, system, Windows Forms programming
Leave a comment
Make a digital clock in C#
This example uses the techniques described in the example Draw LED-style letters in C# to draw a digital clock. That earlier example showed one way to draw LED-style letters. This example simply uses the LedText class from that post to … Continue reading
Posted in drawing, graphics
Tagged C#, C# programming, digital clock, drawing, example, example program, graphics, LED-style letters, Windows Forms programming
Leave a comment
Draw LED-style letters in C#
Every now and then I’ve had the urge to write a digital clock program, and to do that, I need to be able to draw LED-style letters. (Some things are practically a right of passage for programmers. Writing a program … Continue reading
Posted in drawing, graphics
Tagged C#, C# programming, drawing, example, example program, graphics, LED-style letters, Windows Forms programming
4 Comments
Use Microsoft Print to PDF to create a PDF file in C#
This example shows one way that you can make a C# program create a PDF file. It’s super easy. (I haven’t posted any easy examples for a while, so this one makes a refreshing change.) Selecting the Printer In a … Continue reading
Posted in drawing, graphics, printing
Tagged C#, C# programming, drawing, example, example program, graphics, PDF, printing, Windows Forms programming
4 Comments
Use menu commands with shortcuts to save and restore user-drawn polygons in C# and WPF
The example Let the user edit polygons in WPF and C# shows how to let the user draw and edit polygons in WPF. This example shows how you can let the user save and restore those polygons. While I was … Continue reading
Posted in drawing, graphics, wpf
Tagged C#, deserialize, drawing, example, example program, graphics, load, polygons, restore, save, serialize, Windows Forms programming, WPF
3 Comments
Pingback: Code Project post “Clipping Plane in WPF 3D”
The Code Project post Clipping Plane in WPF 3D by charles922 references a couple of my WPF 3D posts. His post explains several WPF 3D concepts including; Manger sponges (refers to my post Use a dictionary to draw a 3D … Continue reading
Posted in 3D, 3D graphics, algorithms, books, drawing, graphics, mathematics, wpf, XAML
Tagged 3D, 3D graphics, algorithms, books, C#, C# programming, drawing, example, example program, graphics, mathematics, three-dimensional graphics, Windows Forms programming, WPF, XAML
4 Comments
Sprialize an image in C#
This example shows how to spiralize an image. By spiralize I mean shade pieces of the picture with different colors so the colored areas for a spiral as shown in the picture. This could be a difficult problem. Fortunately I’ve … Continue reading