The ICM_DRAW_CHANGEPALETTE message is sent to a rendering driver if the palette of the movie is changing.
Parameters
dwParam1
Points to a BITMAPINFO structure that contains the new format and optional color table.
dwParam2
Not used. Set to zero.
Return Value
Returns ICERR_OK if successful.
Comments
This message should be supported by installable rendering handlers if they draw palettized DIBs.