Пример #1
0
        public void Acquire()
        {
            this.CloseSrc();
            if (this.appid.Id == IntPtr.Zero)
            {
                this.Init(this.hwnd);
                if (this.appid.Id == IntPtr.Zero)
                {
                    return;
                }
            }
            TwRC twRC = Twain.DSMident(this.appid, IntPtr.Zero, TwDG.Control, TwDAT.Identity, TwMSG.OpenDS, this.srcds);

            if (twRC == TwRC.Success)
            {
                TwCapability capa = new TwCapability(TwCap.IPixelType, 0, TwType.UInt16);
                twRC = Twain.DScap(this.appid, this.srcds, TwDG.Control, TwDAT.Capability, TwMSG.Set, capa);
                if (twRC != TwRC.Success)
                {
                    this.CloseSrc();
                }
                else
                {
                    TwCapability capa2 = new TwCapability(TwCap.RESOLUTION, 200, TwType.Fix32);
                    twRC = Twain.DScap(this.appid, this.srcds, TwDG.Control, TwDAT.Capability, TwMSG.Set, capa2);
                    if (twRC != TwRC.Success)
                    {
                        this.CloseSrc();
                    }
                    else
                    {
                        TwCapability capa3 = new TwCapability(TwCap.XferCount, 1, TwType.Int16);
                        twRC = Twain.DScap(this.appid, this.srcds, TwDG.Control, TwDAT.Capability, TwMSG.Set, capa3);
                        if (twRC != TwRC.Success)
                        {
                            this.CloseSrc();
                        }
                        else
                        {
                            TwUserInterface twUserInterface = new TwUserInterface();
                            twUserInterface.ShowUI     = 1;
                            twUserInterface.ModalUI    = 1;
                            twUserInterface.ParentHand = this.hwnd;
                            twRC = Twain.DSuserif(this.appid, this.srcds, TwDG.Control, TwDAT.UserInterface, TwMSG.EnableDS, twUserInterface);
                            if (twRC != TwRC.Success)
                            {
                                this.CloseSrc();
                            }
                        }
                    }
                }
            }
        }
Пример #2
0
        public void Acquire2()
        {
            this.CloseSrc();
            if (this.appid.Id == IntPtr.Zero)
            {
                this.Init(this.hwnd);
                if (this.appid.Id == IntPtr.Zero)
                {
                    return;
                }
            }
            TwRC twRC = Twain.DSMident(this.appid, IntPtr.Zero, TwDG.Control, TwDAT.Identity, TwMSG.OpenDS, this.srcds);

            if (twRC == TwRC.Success)
            {
                TwCapability capa = new TwCapability(TwCap.XferCount, 1, TwType.Int16);
                twRC = Twain.DScap(this.appid, this.srcds, TwDG.Control, TwDAT.Capability, TwMSG.Set, capa);
                if (twRC != TwRC.Success)
                {
                    this.CloseSrc();
                }
            }
        }