midiOutUnprepareHeader function winmm
The midiOutUnprepareHeader function cleans up the preparation performed by the midiOutPrepareHeader function.
MMRESULT midiOutUnprepareHeader(
HMIDIOUT hmo,
LPMIDIHDR pmh,
UINT cbmh
);
Implementation
int midiOutUnprepareHeader(int hmo, Pointer<MIDIHDR> pmh, int cbmh) =>
_midiOutUnprepareHeader(hmo, pmh, cbmh);