midiOutPrepareHeader function Null safety winmm

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

The midiOutPrepareHeader function prepares a MIDI system-exclusive or stream buffer for output.

MMRESULT midiOutPrepareHeader(
  HMIDIOUT  hmo,
  LPMIDIHDR pmh,
  UINT      cbmh
);

Implementation

int midiOutPrepareHeader(int hmo, Pointer<MIDIHDR> pmh, int cbmh) =>
    _midiOutPrepareHeader(hmo, pmh, cbmh);