-
Recent Books:
![[Essential Algorithms, Second Edition]](http://www.csharphelper.com/essential_algs_2e_158_200.jpg)
![[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)
-
Recent Posts
-
Recent Comments
- RodStephens on Use a TreeView to display property pages or option pages in C#
- oghenez on Use a TreeView to display property pages or option pages in C#
- CodeNoob on Use statement lambdas in C#
- ylmz on Resize images in C#
- Madhur Bhorali on Make a stopwatch in C#
Archives
- October 2021
- July 2021
- June 2021
- 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
Tag Archives: compress
Compress and decompress directories in C#
The ZipFile class provides remarkably simple methods to compress and decompress directories in the zip format. This class is defined in the .NET Framework version 4.5, so this example is in Visual Studio 2017 instead of an older version. To … Continue reading
Posted in classes, directories, files
Tagged C#, C# programming, classes, compress, compress and decompress directories, compress directories, compress files, compressions, decompress, directories, example, example program, files, uncompress, unzip, Windows Forms programming, Zip, zip directories, zip files, ZipFile
Comments Off on Compress and decompress directories in C#
Compress JPG files in a directory in C#
I wrote this example to help produce reduced-size versions of some of the thousands of pictures I’ve collected over the years. Unfortunately pictures you take with a modern camera or phone tend to be enormous. Fortunately most of my relatives … Continue reading
Posted in algorithms, files, graphics, image processing, tools
Tagged algorithms, C#, C# programming, compress, compress files, compress JPG files, compression, example, example program, file size, files, graphics, image processing, jpeg, jpg, set compression level, set file size, tools, Windows Forms programming
Comments Off on Compress JPG files in a directory in C#
Quickly pick JPG compression level in C#
The example Compress JPG files to a certain size in C# lets you adjust a file’s JPG compression level until it is no bigger than a specified size. It does that by starting at a compression level of 100 and … Continue reading
Posted in algorithms, files, graphics, image processing
Tagged algorithms, C#, C# programming, compress, compress files, compress JPG files, compression, example, example program, file size, files, graphics, image processing, jpeg, jpg, set compression level, set file size, Windows Forms programming
1 Comment
Compress JPG files to a certain size in C#
The example Optimize JPEG compression level and file size in C# shows how to save a JPG file with different compression levels. Using a smaller level makes the resulting file smaller but introduces more error into the image. If you … Continue reading