public void SendBuffer(byte[] byteBuffer)
{
MidiInterop.MIDIHDR mIDIHDR = default(MidiInterop.MIDIHDR);
mIDIHDR.lpData = Marshal.AllocHGlobal(byteBuffer.Length);
Marshal.Copy(byteBuffer, 0, mIDIHDR.lpData, byteBuffer.Length);
mIDIHDR.dwBufferLength = byteBuffer.Length;
mIDIHDR.dwBytesRecorded = byteBuffer.Length;
int uSize = Marshal.SizeOf(mIDIHDR);
MidiInterop.midiOutPrepareHeader(this.hMidiOut, ref mIDIHDR, uSize);
if (MidiInterop.midiOutLongMsg(this.hMidiOut, ref mIDIHDR, uSize) != MmResult.NoError)
{
MidiInterop.midiOutUnprepareHeader(this.hMidiOut, ref mIDIHDR, uSize);
}
Marshal.FreeHGlobal(mIDIHDR.lpData);
}
public static extern MmResult midiStreamOut(IntPtr hMidiStream, [MarshalAs(UnmanagedType.Struct)] ref MidiInterop.MIDIHDR pmh, int cbmh);
public static extern MmResult midiInAddBuffer(IntPtr hMidiIn, [MarshalAs(UnmanagedType.Struct)] ref MidiInterop.MIDIHDR lpMidiInHdr, int uSize);
public static extern MmResult midiOutUnprepareHeader(IntPtr hMidiOut, [MarshalAs(UnmanagedType.Struct)] ref MidiInterop.MIDIHDR lpMidiOutHdr, int uSize);