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GIF animation in WPF

, 14 Feb 2008 CPOL
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Animation of a transparent GIF image in WPF.


I have found a solution for GIF animation by only using Windows Forms. Based on this, I have solved this problem in WPF (.NET 3.5).

Using the Code

I have created my own class:

public class AnimatedImageControl : UserControl {...} 

and overridden the OnRender function:

protected override void OnRender(DrawingContext p_drawingContext)
   //Get the next frame ready for rendering.

   //Draw the next frame in the animation.
   Graphics gr = Graphics.FromHwnd(m_hwnd.Handle);
   gr.FillRectangle(m_brush, m_rectangle);
   gr.DrawImage(m_animatedImage, m_rectangle);

Points of Interest

The main trick is using Graphics instead of DrawingContext.

It works properly only if the background is a solid color brush, because calling FillRectangle() is necessary.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author


Hungary Hungary
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Comments and Discussions

GeneralError in Code PinmemberRahul Singla16-Mar-09 8:00 
GeneralAn alternate solution PinmemberRob Reiss27-Feb-08 8:59 
GeneralRe: An alternate solution Pinmemberreinux23-Aug-08 23:40 
GeneralRe: An alternate solution PinmemberJeremyAC23-Sep-09 5:02 
GeneralAnother (better) solution PinmemberZoltan2315-Feb-08 2:20 

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