cyotek/Cyotek.Windows.Forms.ImageBox — pull request #1 by teamalpha5441 (2013-08-07 21:50:12+00:00)
Title: Added AnimGIF support

You can use it if you wan't.

It works for me but i haven't it tested with all the other functions.
Btw great project, i've looked very long for such a good image view control.