mciGetYieldProc
The mciGetYieldProc
function retrieves the address of the callback function associated with the
wait (MCI_WAIT) flag. The callback function is called periodically while an
MCI device waits for a command specified with the wait flag to finish.
YIELDPROC mciGetYieldProc(
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MCIDEVICEID IDDevice, |
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LPDWORD lpdwYieldData |
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); |
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Parameters
IDDevice
MCI device
being monitored (the device performing an MCI command).
lpdwYieldData
Address of a
buffer containing yield data to be passed to the callback function. This
parameter can be NULL if there is no yield data.
Return Values
Returns the
address of the current yield callback function if successful or NULL if the
device identifier is invalid.