midiOutPrepareHeader function winmm

int midiOutPrepareHeader(
  1. HMIDIOUT hmo,
  2. Pointer<MIDIHDR> pmh,
  3. int cbmh
)

Prepares a MIDI system-exclusive or stream buffer for output.

To learn more, see learn.microsoft.com/windows/win32/api/mmeapi/nf-mmeapi-midioutprepareheader.

Implementation

@pragma('vm:prefer-inline')
int midiOutPrepareHeader(HMIDIOUT hmo, Pointer<MIDIHDR> pmh, int cbmh) =>
    _midiOutPrepareHeader(hmo, pmh, cbmh);