-
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
- December 2021
- November 2021
- 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: zoom
Make bitmap extension methods that resize bitmaps in C#
The post Resize pictures in a directory to specific widths or heights in C# lets you resize all of the pictures in a directory. This example extracts the key method that resizes files and places it in a new Bitmap … Continue reading
Resize pictures in a directory to specific widths or heights in C#
The post Resize pictures in a directory in C# lets you resize all of the pictures in a directory but it only scales the images. This example lets you resize pictures so they have a given width, height, or both. … Continue reading
Use the mouse wheel to scale an image in C#
This example lets you use the mouse wheel to zoom in and out on an image. To use the mouse wheel, the program needs to catch the MouseWheel event. Unfortunately that event isn’t listed in the Form Designer so you … Continue reading
Posted in events, graphics, image processing
Tagged C#, C# programming, events, example, example program, graphics, image processing, mouse wheel, scale, Windows Forms programming, zoom
Comments Off on Use the mouse wheel to scale an image in C#
Zoom and scroll a picture drawn in C#
This program lets you zoom and scroll a picture drawn by the program. The program contains a Panel with AutoScale set to true. Inside the Panel is a PictureBox with SizeMode set to AutoSize. The PictureBox contains a Bitmap that … Continue reading
Posted in drawing, graphics
Tagged AutoScroll, C#, C# programming, draw image, drawing, example, example program, graphics, pan, Panel, PictureBox, scroll, smiley, smiley face, Windows Forms programming, zoom
2 Comments
Select parts of a scaled image in a PictureBox with different SizeMode values in C#
This example shows how you can select parts of a scaled image that has been stretched by a PictureBox. The example Copy, cut, and paste parts of an image to the clipboard in C# works okay if the PictureBox has … Continue reading
Posted in clipboard, graphics, image processing
Tagged AutoSize, C#, C# programming, CenterImage, clipboard, copy, copy image, cut, cut image, example, example program, graphics, paste, paste image, rubber band box, select image, StretchImage, Windows Forms programming, zoom
5 Comments
Zoom on a graph in WPF and C#
It’s remarkably easy to zoom on a graph in WPF. This example extends the example Let the user click on graph points in WPF and C#. To modify the previous version, you first need to rebuild the user interface a … Continue reading
Posted in algorithms, drawing, geometry, graphics, mathematics
Tagged algorithms, C#, C# programming, draw graph, draw graph in WPF, drawing, example, example program, geometry, GeometryGroup, graph, graph labels, graphics, label graph, labels, LineGeometry, mathematics, Matrix, Polyline, rotate text, rotated label, rotated text, scale, tic marks, transformation matrix, transformations, Windows Forms programming, WPF, XAML, zoom
2 Comments
Resize pictures in a directory in C#
This example shows how to resize pictures in a directory. This program lets you enter a directory name and a scale factor. It then loads all of the bmp, gif, jpg, jpeg, and png files in that directory, resizes them, … Continue reading
Resize images and save the results in C#
This program lets you load and resize images, and save the results into files. When the form loads, the following Load event handler saves the scale factor for each of the scaling menu items in their Tag properties. // Set … Continue reading
Posted in files, graphics
Tagged C#, C# programming, example, example program, files, graphics, image processing, images, resize images, resize pictures, Windows Forms programming, zoom, zoom images, zoom pictures
2 Comments