public void CloseSrc() { TwRC rc; if (srcds.Id != IntPtr.Zero) { TwUserInterface guif = new TwUserInterface(); rc = DSuserif(appid, srcds, TwDG.Control, TwDAT.UserInterface, TwMSG.DisableDS, guif); rc = DSMident(appid, IntPtr.Zero, TwDG.Control, TwDAT.Identity, TwMSG.CloseDS, srcds); } }
public void Acquire() { TwRC rc; CloseSrc(); if (appid.Id == IntPtr.Zero) { Init(hwnd); if (appid.Id == IntPtr.Zero) { return; } } rc = DSMident(appid, IntPtr.Zero, TwDG.Control, TwDAT.Identity, TwMSG.OpenDS, srcds); if (rc != TwRC.Success) { return; } TwCapability cap = new TwCapability(TwCap.XferCount, 1); rc = DScap(appid, srcds, TwDG.Control, TwDAT.Capability, TwMSG.Set, cap); if (rc != TwRC.Success) { CloseSrc(); return; } TwUserInterface guif = new TwUserInterface(); guif.ShowUI = 1; guif.ModalUI = 1; guif.ParentHand = hwnd; rc = DSuserif(appid, srcds, TwDG.Control, TwDAT.UserInterface, TwMSG.EnableDS, guif); if (rc != TwRC.Success) { CloseSrc(); return; } }
private static extern TwRC DSuserif([In, Out] TwIdentity origin, [In, Out] TwIdentity dest, TwDG dg, TwDAT dat, TwMSG msg, TwUserInterface guif);