private void ReleaseBuffer(IntPtr headerPtr)
{
int result = WindowsMultimediaDevice.midiInUnprepareHeader(Handle, headerPtr, SizeOfMidiHeader);
if (result != (int)EDeviceException.MmsyserrNoerror)
{
OnError(new ErrorEventArgs(new InputDeviceException(result)));
}
_headerBuilder.Destroy(headerPtr);
_bufferCount--;
}
public int AddSysExBuffer()
{
_headerBuilder.BufferLength = _sysExBufferSize;
_headerBuilder.Build();
var headerPtr = _headerBuilder.Result;
var result = WindowsMultimediaDevice.midiInPrepareHeader(Handle, headerPtr, SizeOfMidiHeader);
if (result == 0)
{
_bufferCount++;
result = WindowsMultimediaDevice.midiInAddBuffer(Handle, headerPtr, SizeOfMidiHeader);
if (result != 0)
{
WindowsMultimediaDevice.midiInUnprepareHeader(Handle, headerPtr, SizeOfMidiHeader);
_bufferCount--;
_headerBuilder.Destroy();
}
return(result);
}
_headerBuilder.Destroy();
return(result);
}