private static extern TwReturnCode DSevent([In, Out] TwIdentity origin, [In, Out] TwIdentity dest, TwDG dg, TwData data, TwMessageCode messageCode, ref TwEvent evt);
private static extern TwReturnCode DSevent([In, Out] TwIdentity origin, [In, Out] TwIdentity dest, TwDG dg, TwData data, TwMessageCode messageCode, ref TwEvent evt);