private static extern twainDefs.TwRC DSpxfer([In, Out] twainDefs.TwIdentity origin, [In] twainDefs.TwIdentity dest, twainDefs.TwDG dg, twainDefs.TwDAT dat, twainDefs.TwMSG msg, [In, Out] twainDefs.TwPendingXfers pxfr);
private static extern twainDefs.TwRC DSiinf([In, Out] twainDefs.TwIdentity origin, [In] twainDefs.TwIdentity dest, twainDefs.TwDG dg, twainDefs.TwDAT dat, twainDefs.TwMSG msg, [In, Out] twainDefs.TwImageInfo imginf);
private static extern twainDefs.TwRC DSixfer([In, Out] twainDefs.TwIdentity origin, [In] twainDefs.TwIdentity dest, twainDefs.TwDG dg, twainDefs.TwDAT dat, twainDefs.TwMSG msg, ref IntPtr hbitmap);
private static extern twainDefs.TwRC DSstatus([In, Out] twainDefs.TwIdentity origin, [In] twainDefs.TwIdentity dest, twainDefs.TwDG dg, twainDefs.TwDAT dat, twainDefs.TwMSG msg, [In, Out] twainDefs.TwStatus dsmstat);
private static extern twainDefs.TwRC DScap([In, Out] twainDefs.TwIdentity origin, [In] twainDefs.TwIdentity dest, twainDefs.TwDG dg, twainDefs.TwDAT dat, twainDefs.TwMSG msg, [In, Out] twainDefs.TwCapability capa);
private static extern twainDefs.TwRC DSevent([In, Out] twainDefs.TwIdentity origin, [In, Out] twainDefs.TwIdentity dest, twainDefs.TwDG dg, twainDefs.TwDAT dat, twainDefs.TwMSG msg, ref twainDefs.TwEvent evt);
private static extern twainDefs.TwRC DSuserif([In, Out] twainDefs.TwIdentity origin, [In, Out] twainDefs.TwIdentity dest, twainDefs.TwDG dg, twainDefs.TwDAT dat, twainDefs.TwMSG msg, twainDefs.TwUserInterface guif);
private static extern twainDefs.TwRC DSMImageLayout([In, Out] twainDefs.TwIdentity origin, [In, Out] twainDefs.TwIdentity dest, twainDefs.TwDG dg, twainDefs.TwDAT dat, twainDefs.TwMSG msg, [In, Out] twainDefs.TwImageLayout idds);
private static extern twainDefs.TwRC DSMident([In, Out] twainDefs.TwIdentity origin, IntPtr zeroptr, twainDefs.TwDG dg, twainDefs.TwDAT dat, twainDefs.TwMSG msg, [In, Out] twainDefs.TwIdentity idds);
private static extern twainDefs.TwRC DSMparent([In, Out] twainDefs.TwIdentity origin, IntPtr zeroptr, twainDefs.TwDG dg, twainDefs.TwDAT dat, twainDefs.TwMSG msg, ref IntPtr refptr);