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ICDrawStartPlay
The ICDrawStartPlay macro provides the start and end times of a play operation to a rendering
driver. You can use this macro or explicitly call the ICM_DRAW_START_PLAY message.
ICDrawStartPlay(
Parameters
lFrom
Start time.
lTo
End time.
Return Values
This macro does not return a value.
Remarks
This message precedes any frame data sent to the rendering driver.
Units for lFrom and lTo are specified with the ICM_DRAW_BEGIN message. For video data this is normally a frame number. For more information
about the playback rate, see the dwRate and dwScale members of the ICDRAWBEGIN structure.
If the end time is less than the start time, the playback direction is
reversed.
See Also
ICDRAWBEGIN, ICM_DRAW_START_PLAY
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