private static extern uint __so_midiOutUnprepareHeader( [MarshalAs( UnmanagedType.SysUInt )] IntPtr hMidiOut, ref MIDIHDR lpMidiOutHdr, [MarshalAs( UnmanagedType.U4 )] uint uSize );
public static uint midiOutUnprepareHeader( IntPtr hMidiOut, ref MIDIHDR lpMidiOutHdr, uint uSize ) { uint ret = MMSYSERR_ERROR; if ( status_winmm != DllStatus.NotFound ) { try { ret = __midiOutUnprepareHeader( hMidiOut, ref lpMidiOutHdr, uSize ); } catch ( DllNotFoundException ex ) { status_winmm = DllStatus.NotFound; } } else if ( status_winmm_so != DllStatus.NotFound ) { try { ret = __so_midiOutUnprepareHeader( hMidiOut, ref lpMidiOutHdr, uSize ); } catch ( DllNotFoundException ex ) { status_winmm_so = DllStatus.NotFound; } } return ret; }
private static extern uint __midiOutLongMsg( [MarshalAs( UnmanagedType.SysUInt )] IntPtr hMidiOut, ref MIDIHDR lpMidiOutHdr, [MarshalAs( UnmanagedType.U4 )] uint uSize );