Syntax
INT is_ShowDDOverlay (HIDS hf)
Description
is_ShowDDOverlay() fades on the overlay in DirectDraw back buffer mode. The last data received in the overlay buffer will be displayed. The display is created with only three image buffers. Depending upon the VGA card, the image refresh can be smaller than the overlay display.
Parameters
hf: Frame grabber handle
Return value
IS_SUCCESS, IS_NO_SUCCESS
