function cleans up the preparation performed by the midiInPrepareHeader
| HMIDIIN hMidiIn,
| LPMIDIHDR lpMidiInHdr,
| UINT cbMidiInHdr
Handle of the MIDI input device.
Address of a MIDIHDR
structure identifying the buffer to be cleaned up.
Size of the MIDIHDR
Returns MMSYSERR_NOERROR if successful or an error otherwise. Possible error
values include the following:
||The buffer pointed to by lpMidiInHdr is still in the queue.
||The specified pointer or structure is invalid.
||The specified device handle is invalid.
This function is complementary to midiInPrepareHeader
. You must use this function before freeing the buffer. After passing a buffer
to the device driver by using the midiInAddBuffer
function, you must wait until the driver is finished with the buffer before
. Unpreparing a buffer that has not been prepared has no effect, and the
function returns MMSYSERR_NOERROR.
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