ANIMATION_DISPOSAL

typedef enum tagANIMATION_DISPOSAL

{
      DISPOSAL_NONE,
      DISPOSAL_LEAVE,
      DISPOSAL_RESTOREBACKGROUND,
      DISPOSAL_RESTOREPREVIOUS
} ANIMATION_DISPOSAL;

Value	Meaning
DISPOSAL_NONE	[0] Do nothing.
DISPOSAL_LEAVE	[1] Leave the target bitmap as is.
DISPOSAL_RESTOREBACKGROUND	[2] Restore the background.
DISPOSAL_RESTOREPREVIOUS	[3] Restore the previous image.