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Indicates the way in which the GIF frame has to be treated after being displayed.
public enum GifDisposalMethod
DoNotDispose = 1
Do not dispose. The graphic is to be left in place.
NotSpecified = 0
No disposal specified. The decoder is not required to take any action.
RestoreToBackgroundColor = 2
Restore to background color. The area used by the graphic must be restored to the background color.
RestoreToPrevious = 3
Restore to previous. The decoder is required to restore the area overwritten by the graphic with what was there prior to rendering the graphic.