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);
}
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 __so_midiOutUnprepareHeader( [MarshalAs( UnmanagedType.SysUInt )] IntPtr hMidiOut, ref MIDIHDR lpMidiOutHdr, [MarshalAs( UnmanagedType.U4 )] uint uSize );
private static extern uint __midiOutLongMsg( [MarshalAs( UnmanagedType.SysUInt )] IntPtr hMidiOut, ref MIDIHDR lpMidiOutHdr, [MarshalAs( UnmanagedType.U4 )] uint uSize );
private static extern uint __so_midiOutUnprepareHeader([MarshalAs(UnmanagedType.SysUInt)] IntPtr hMidiOut, ref MIDIHDR lpMidiOutHdr, [MarshalAs(UnmanagedType.U4)] uint uSize);
private static extern uint __midiOutLongMsg([MarshalAs(UnmanagedType.SysUInt)] IntPtr hMidiOut, ref MIDIHDR lpMidiOutHdr, [MarshalAs(UnmanagedType.U4)] uint uSize);