private static extern TwReturnCode DSstatus([In, Out] TwIdentity origin, [In] TwIdentity dest, TwDG dg, TwData data, TwMessageCode messageCode, [In, Out] TwStatus dsmstat);
private static extern TwReturnCode DSuserif([In, Out] TwIdentity origin, [In, Out] TwIdentity dest, TwDG dg, TwData data, TwMessageCode messageCode, TwUserInterface guif);
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 DSMident([In, Out] TwIdentity origin, IntPtr zeroptr, TwDG dg, TwData data, TwMessageCode messageCode, [In, Out] TwIdentity idds);
private static extern TwReturnCode DSMstatus([In, Out] TwIdentity origin, IntPtr zeroptr, TwDG dg, TwData data, TwMessageCode messageCode, [In, Out] TwStatus dsmstat);
private static extern TwReturnCode DSixfer([In, Out] TwIdentity origin, [In] TwIdentity dest, TwDG dg, TwData data, TwMessageCode messageCode, ref IntPtr hbitmap);
private static extern TwReturnCode DSiinf([In, Out] TwIdentity origin, [In] TwIdentity dest, TwDG dg, TwData data, TwMessageCode messageCode, [In, Out] TwImageInfo imginf);
private static extern TwReturnCode DScap([In, Out] TwIdentity origin, [In] TwIdentity dest, TwDG dg, TwData data, TwMessageCode messageCode, [In, Out] TwCapability capa);
private static extern TwReturnCode DSpxfer([In, Out] TwIdentity origin, [In] TwIdentity dest, TwDG dg, TwData data, TwMessageCode messageCode, [In, Out] TwPendingXfers pxfr);
private static extern TwReturnCode DSMparent([In, Out] TwIdentity origin, IntPtr zeroptr, TwDG dg, TwData data, TwMessageCode messageCode, ref IntPtr refptr);