Using Animated Gifs with WPF

Ever wish you could use an animated gif in your WPF application? Well, here is an easy way to do so. Simply use the WpfAnimatedGif Nuget package available on codeplex. With that library, you can easily display animated GIFs in your application via XAML or code.

Here is what the markup looks like…

…

 xmlns:a=http://wpfanimatedgif.codeplex.com

…

<Image a:ImageBehavior.AnimatedSource="Images/myImage.gif"/>

Head over to http://wpfanimatedgif.codeplex.com/ for more info.

Happy Coding!

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BitmapImage.BeginInit()

A very common error new UI developers make is trying to create new BitmapImages without properly initializing them.

All property changes made to a BitmapImage must be made between the BeginInit() and EndInit() calls. Every property change made after the EndInit() call is ignored.

Here is a small code snippet on how to properly create a new bitmap image and set that as the source of an Image object.

// Define a BitmapImage.
Image myImage = new Image();
BitmapImage bi = new BitmapImage();

// Begin initialization.
bi.BeginInit();

// Set BitmapImage properties. (CacheOption,CreateOptions… etc.)

// End initialization.
bi.EndInit();

myImage.Source = bi;

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