GIF is the only image format that can present image-based animation in Internet Explorer. But what level of support does GDI+ offer for animated GIFs? Well, at least the ability to read individual frames, and in this sample you'll see how to use GDI+ to pick apart an animated GIF. It is shown here after loading one of the sample images and scrolling to frame 7: Of interest is the way the WinForms PictureBox control deals with animated GIFs. Normally it always animates, but in this sample there's ......

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Have you ever tried to create a transparent GIF with GDI+? Seems like it should be easy since there's such a thing as Color.Transparent, but interestingly enough the GIF encoder that's included with the .NET framework doesn't correctly identify Color.Transparent! But there is a way to get the job done by using unsafe code blocks to directly access the memory where the bitmap is held. Here is a fun WinForms sample that allows you to read in any GIF file and set any color in the palette to be transparent:It ......

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In the object-oriented world of .NET have you ever wanted to see how object inheritance and namespace hierarchy relate? Well, now you can! Fire up this WinForms application, and on the Assembly menu choose one of the standard .DLLs in the list. The program parses the assembly and shows you two hierarchies, at the left the namespaces, or how you would normally refer to the classes in code, and at the right the inheritance so you can see more of what's happening behind the scenes. Use the up and down ......

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