C# DG.ToString方法代码示例

        public STS DatUserinterface(DG a_dg, MSG a_msg, ref TW_USERINTERFACE a_twuserinterface)
        {
            STS sts;

            // Submit the work to the TWAIN thread...
            if (this.m_runinuithreaddelegate == null)
            {
                if ((m_threadTwain != null) && (m_threadTwain.ManagedThreadId != Thread.CurrentThread.ManagedThreadId))
                {
                    lock (m_lockTwain)
                    {
                        // Set our command variables...
                        ThreadData threaddata = default(ThreadData);
                        threaddata.twuserinterface = a_twuserinterface;
                        threaddata.twuserinterface.hParent = m_intptrHwnd;
                        threaddata.dg = a_dg;
                        threaddata.msg = a_msg;
                        threaddata.dat = DAT.USERINTERFACE;
                        m_lIndexDatUserinterface = m_twaincommand.Submit(threaddata);

                        // Submit the command and wait for the reply...
                        CallerToThreadSet();
                        ThreadToCallerWaitOne();

                        // Return the result...
                        a_twuserinterface = m_twaincommand.Get(m_lIndexDatUserinterface).twuserinterface;
                        sts = m_twaincommand.Get(m_lIndexDatUserinterface).sts;

                        // Clear the command variables...
                        m_twaincommand.Delete(m_lIndexDatUserinterface);
                    }
                    return (sts);
                }
            }

            // Well this is weird.  I'm not sure how this design snuck past,
            // I assume it's because of the async nature of the button presses,
            // so it's easier to monitor a boolean.  Regardless, we need to
            // use this data to do the right thing...
            if (m_blIsMsgclosedsok || m_blIsMsgclosedsreq)
            {
                a_msg = MSG.DISABLEDS;
            }

            // If we're doing a DISABLEDS, use the values we remembered from
            // the last ENABLEDS...
            TW_USERINTERFACE twuserinterface = a_twuserinterface;
            if (a_msg == MSG.DISABLEDS)
            {
                twuserinterface = m_twuserinterface;
            }

            // Log it...
            if (Log.GetLevel() > 0)
            {
                Log.LogSendBefore(a_dg.ToString(), DAT.USERINTERFACE.ToString(), a_msg.ToString(), UserinterfaceToCsv(twuserinterface));
            }

            // We need this to handle data sources that return MSG_XFERREADY in
            // the midst of processing MSG_ENABLEDS...
            if (a_msg == MSG.ENABLEDS)
            {
                m_blAcceptXferReady = true;
            }

            // Windows...
            if (ms_platform == Platform.WINDOWS)
            {
                // Issue the command...
                try
                {
                    if (this.m_runinuithreaddelegate == null)
                    {
                        if (m_blUseLegacyDSM)
                        {
                            sts = (STS)WindowsTwain32DsmEntryUserinterface(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.USERINTERFACE, a_msg, ref twuserinterface);
                        }
                        else
                        {
                            sts = (STS)WindowsTwaindsmDsmEntryUserinterface(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.USERINTERFACE, a_msg, ref twuserinterface);
                        }
                    }
                    else
                    {
                        if (m_blUseLegacyDSM)
                        {
                            lock (m_lockTwain)
                            {
                                ThreadData threaddata = default(ThreadData);
                                threaddata.twuserinterface = a_twuserinterface;
                                threaddata.twuserinterface.hParent = m_intptrHwnd;
                                threaddata.dg = a_dg;
                                threaddata.msg = a_msg;
                                threaddata.dat = DAT.USERINTERFACE;
                                m_lIndexDatUserinterface = m_twaincommand.Submit(threaddata);
                                RunInUiThread(DatUserinterfaceWindowsTwain32);
                                a_twuserinterface = m_twaincommand.Get(m_lIndexDatUserinterface).twuserinterface;
                                sts = m_twaincommand.Get(m_lIndexDatUserinterface).sts;
                                m_twaincommand.Delete(m_lIndexDatUserinterface);
                            }
//.........这里部分代码省略.........

        /// <summary>
        /// Get/Set the Xfer Group...
        /// </summary>
        /// <param name="a_dg">Data group</param>
        /// <param name="a_msg">Operation</param>
        /// <param name="a_twuint32">XFERGROUP structure</param>
        /// <returns>TWAIN status</returns>
        public STS DatXferGroup(DG a_dg, MSG a_msg, ref UInt32 a_twuint32)
        {
            STS sts;

            // Submit the work to the TWAIN thread...
            if ((m_threadTwain != null) && (m_threadTwain.ManagedThreadId != Thread.CurrentThread.ManagedThreadId))
            {
                lock (m_lockTwain)
                {
                    // Set our command variables...
                    ThreadData threaddata = default(ThreadData);
                    threaddata.twuint32 = a_twuint32;
                    threaddata.dg = a_dg;
                    threaddata.msg = a_msg;
                    threaddata.dat = DAT.XFERGROUP;
                    long lIndex = m_twaincommand.Submit(threaddata);

                    // Submit the command and wait for the reply...
                    CallerToThreadSet();
                    ThreadToCallerWaitOne();

                    // Return the result...
                    a_twuint32 = m_twaincommand.Get(lIndex).twuint32;
                    sts = m_twaincommand.Get(lIndex).sts;

                    // Clear the command variables...
                    m_twaincommand.Delete(lIndex);
                }
                return (sts);
            }

            // Log it...
            if (Log.GetLevel() > 0)
            {
                Log.LogSendBefore(a_dg.ToString(), DAT.XFERGROUP.ToString(), a_msg.ToString(), XfergroupToCsv(a_twuint32));
            }

            // Windows...
            if (ms_platform == Platform.WINDOWS)
            {
                // Issue the command...
                try
                {
                    if (m_blUseLegacyDSM)
                    {
                        sts = (STS)WindowsTwain32DsmEntryXfergroup(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.XFERGROUP, a_msg, ref a_twuint32);
                    }
                    else
                    {
                        sts = (STS)WindowsTwaindsmDsmEntryXfergroup(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.XFERGROUP, a_msg, ref a_twuint32);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

            // Linux...
            else if (ms_platform == Platform.LINUX)
            {
                // Issue the command...
                try
                {
                    if (GetMachineWordBitSize() == 32)
                    {
                        sts = (STS)LinuxDsmEntryXfergroup(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.XFERGROUP, a_msg, ref a_twuint32);
                    }
                    else
                    {
                        sts = (STS)Linux64DsmEntryXfergroup(ref m_twidentityApp, ref m_twidentityDs, a_dg, DAT.XFERGROUP, a_msg, ref a_twuint32);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

            // Mac OS X, which has to be different...
            else if (ms_platform == Platform.MACOSX)
            {
                // Issue the command...
                try
                {
                    sts = (STS)MacosxDsmEntryXfergroup(ref m_twidentitymacosxApp, ref m_twidentitymacosxDs, a_dg, DAT.XFERGROUP, a_msg, ref a_twuint32);
                }
                catch
                {
//.........这里部分代码省略.........

        /// <summary>
        /// Issue DSM commands...
        /// </summary>
        /// <param name="a_dg">Data group</param>
        /// <param name="a_msg">Operation</param>
        /// <param name="a_intptrHwnd">PARENT structure</param>
        /// <returns>TWAIN status</returns>
        public STS DatParent(DG a_dg, MSG a_msg, ref IntPtr a_intptrHwnd)
        {
            STS sts;

            // Submit the work to the TWAIN thread...
            if ((m_threadTwain != null) && (m_threadTwain.ManagedThreadId != Thread.CurrentThread.ManagedThreadId))
            {
                lock (m_lockTwain)
                {
                    // Set our command variables...
                    ThreadData threaddata = default(ThreadData);
                    threaddata.intptrHwnd = a_intptrHwnd;
                    threaddata.dg = a_dg;
                    threaddata.msg = a_msg;
                    threaddata.dat = DAT.PARENT;
                    long lIndex = m_twaincommand.Submit(threaddata);

                    // Submit the command and wait for the reply...
                    CallerToThreadSet();
                    ThreadToCallerWaitOne();

                    // Return the result...
                    a_intptrHwnd = m_twaincommand.Get(lIndex).intptrHwnd;
                    sts = m_twaincommand.Get(lIndex).sts;

                    // Clear the command variables...
                    m_twaincommand.Delete(lIndex);
                }
                return (sts);
            }

            // Log it...
            if (Log.GetLevel() > 0)
            {
                Log.LogSendBefore(a_dg.ToString(), DAT.PARENT.ToString(), a_msg.ToString(), "");
            }

            // Windows...
            if (ms_platform == Platform.WINDOWS)
            {
                // Issue the command...
                try
                {
                    if (m_blUseLegacyDSM)
                    {
                        sts = (STS)WindowsTwain32DsmEntryParent(ref m_twidentitylegacyApp, IntPtr.Zero, a_dg, DAT.PARENT, a_msg, ref a_intptrHwnd);
                    }
                    else
                    {
                        sts = (STS)WindowsTwaindsmDsmEntryParent(ref m_twidentitylegacyApp, IntPtr.Zero, a_dg, DAT.PARENT, a_msg, ref a_intptrHwnd);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

           // Linux...
            else if (ms_platform == Platform.LINUX)
            {
                // Issue the command...
                try
                {
                    if (GetMachineWordBitSize() == 32)
                    {
                        sts = (STS)LinuxDsmEntryParent(ref m_twidentitylegacyApp, IntPtr.Zero, a_dg, DAT.PARENT, a_msg, ref a_intptrHwnd);
                    }
                    else
                    {
                        sts = (STS)Linux64DsmEntryParent(ref m_twidentityApp, IntPtr.Zero, a_dg, DAT.PARENT, a_msg, ref a_intptrHwnd);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

            // Mac OS X, which has to be different...
            else if (ms_platform == Platform.MACOSX)
            {
                // Issue the command...
                try
                {
                    sts = (STS)MacosxDsmEntryParent(ref m_twidentitymacosxApp, IntPtr.Zero, a_dg, DAT.PARENT, a_msg, ref a_intptrHwnd);
                }
                catch
                {
//.........这里部分代码省略.........

        /// <summary>
        /// Issue pendingxfers commands...
        /// </summary>
        /// <param name="a_dg">Data group</param>
        /// <param name="a_msg">Operation</param>
        /// <param name="a_twpendingxfers">PENDINGXFERS structure</param>
        /// <returns>TWAIN status</returns>
        public STS DatPendingxfers(DG a_dg, MSG a_msg, ref TW_PENDINGXFERS a_twpendingxfers)
        {
            STS sts;

            // Submit the work to the TWAIN thread...
            if ((m_threadTwain != null) && (m_threadTwain.ManagedThreadId != Thread.CurrentThread.ManagedThreadId))
            {
                lock (m_lockTwain)
                {
                    // Set our command variables...
                    ThreadData threaddata = default(ThreadData);
                    threaddata.twpendingxfers = a_twpendingxfers;
                    threaddata.dg = a_dg;
                    threaddata.msg = a_msg;
                    threaddata.dat = DAT.PENDINGXFERS;
                    long lIndex = m_twaincommand.Submit(threaddata);

                    // Submit the command and wait for the reply...
                    CallerToThreadSet();
                    ThreadToCallerWaitOne();

                    // Return the result...
                    a_twpendingxfers = m_twaincommand.Get(lIndex).twpendingxfers;
                    sts = m_twaincommand.Get(lIndex).sts;

                    // Clear the command variables...
                    m_twaincommand.Delete(lIndex);
                }
                return (sts);
            }

            // Log it...
            if (Log.GetLevel() > 0)
            {
                Log.LogSendBefore(a_dg.ToString(), DAT.PENDINGXFERS.ToString(), a_msg.ToString(), "");
            }

            // Windows...
            if (ms_platform == Platform.WINDOWS)
            {
                // Issue the command...
                try
                {
                    if (m_blUseLegacyDSM)
                    {
                        sts = (STS)WindowsTwain32DsmEntryPendingxfers(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.PENDINGXFERS, a_msg, ref a_twpendingxfers);
                    }
                    else
                    {
                        sts = (STS)WindowsTwaindsmDsmEntryPendingxfers(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.PENDINGXFERS, a_msg, ref a_twpendingxfers);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

            // Linux...
            else if (ms_platform == Platform.LINUX)
            {
                // Issue the command...
                try
                {
                    if (GetMachineWordBitSize() == 32)
                    {
                        sts = (STS)LinuxDsmEntryPendingxfers(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.PENDINGXFERS, a_msg, ref a_twpendingxfers);
                    }
                    else
                    {
                        sts = (STS)Linux64DsmEntryPendingxfers(ref m_twidentityApp, ref m_twidentityDs, a_dg, DAT.PENDINGXFERS, a_msg, ref a_twpendingxfers);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

            // Mac OS X, which has to be different...
            else if (ms_platform == Platform.MACOSX)
            {
                // Issue the command...
                try
                {
                    sts = (STS)MacosxDsmEntryPendingxfers(ref m_twidentitymacosxApp, ref m_twidentitymacosxDs, a_dg, DAT.PENDINGXFERS, a_msg, ref a_twpendingxfers);
                }
                catch
                {
//.........这里部分代码省略.........

        public STS DatImagememxfer(DG a_dg, MSG a_msg, ref TW_IMAGEMEMXFER a_twimagememxfer)
        {
            STS sts;

            // Submit the work to the TWAIN thread...
            if (this.m_runinuithreaddelegate == null)
            {
                if ((m_threadTwain != null) && (m_threadTwain.ManagedThreadId != Thread.CurrentThread.ManagedThreadId))
                {
                    lock (m_lockTwain)
                    {
                        // Set our command variables...
                        ThreadData threaddata = default(ThreadData);
                        threaddata.twimagememxfer = a_twimagememxfer;
                        threaddata.dg = a_dg;
                        threaddata.msg = a_msg;
                        threaddata.dat = DAT.IMAGEMEMXFER;
                        m_lIndexDatImagememxfer = m_twaincommand.Submit(threaddata);

                        // Submit the command and wait for the reply...
                        CallerToThreadSet();
                        ThreadToCallerWaitOne();

                        // Return the result...
                        a_twimagememxfer = m_twaincommand.Get(m_lIndexDatImagememxfer).twimagememxfer;
                        sts = m_twaincommand.Get(m_lIndexDatImagememxfer).sts;

                        // Clear the command variables...
                        m_twaincommand.Delete(m_lIndexDatImagememxfer);
                    }
                    return (sts);
                }
            }

            // Log it...
            if (Log.GetLevel() > 0)
            {
                Log.LogSendBefore(a_dg.ToString(), DAT.IMAGEMEMXFER.ToString(), a_msg.ToString(), ImagememferToCsv(a_twimagememxfer));
            }

            // Windows...
            if (ms_platform == Platform.WINDOWS)
            {
                // Issue the command...
                try
                {
                    if (this.m_runinuithreaddelegate == null)
                    {
                        if (m_blUseLegacyDSM)
                        {
                            sts = (STS)WindowsTwain32DsmEntryImagememxfer(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.IMAGEMEMXFER, a_msg, ref a_twimagememxfer);
                        }
                        else
                        {
                            sts = (STS)WindowsTwaindsmDsmEntryImagememxfer(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.IMAGEMEMXFER, a_msg, ref a_twimagememxfer);
                        }
                    }
                    else
                    {
                        if (m_blUseLegacyDSM)
                        {
                            lock (m_lockTwain)
                            {
                                ThreadData threaddata = default(ThreadData);
                                threaddata.twimagememxfer = a_twimagememxfer;
                                threaddata.dg = a_dg;
                                threaddata.msg = a_msg;
                                threaddata.dat = DAT.IMAGEMEMXFER;
                                m_lIndexDatImagememxfer = m_twaincommand.Submit(threaddata);
                                RunInUiThread(DatImagememxferWindowsTwain32);
                                a_twimagememxfer = m_twaincommand.Get(m_lIndexDatImagememxfer).twimagememxfer;
                                sts = m_twaincommand.Get(m_lIndexDatImagememxfer).sts;
                                m_twaincommand.Delete(m_lIndexDatImagememxfer);
                            }
                        }
                        else
                        {
                            lock (m_lockTwain)
                            {
                                ThreadData threaddata = default(ThreadData);
                                threaddata.twimagememxfer = a_twimagememxfer;
                                threaddata.dg = a_dg;
                                threaddata.msg = a_msg;
                                threaddata.dat = DAT.IMAGEMEMXFER;
                                m_lIndexDatImagememxfer = m_twaincommand.Submit(threaddata);
                                RunInUiThread(DatImagememxferWindowsTwainDsm);
                                a_twimagememxfer = m_twaincommand.Get(m_lIndexDatImagememxfer).twimagememxfer;
                                sts = m_twaincommand.Get(m_lIndexDatImagememxfer).sts;
                                m_twaincommand.Delete(m_lIndexDatImagememxfer);
                            }
                        }
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }
//.........这里部分代码省略.........

        public STS DatImagenativexfer(DG a_dg, MSG a_msg, ref Bitmap a_bitmap)
        {
            STS sts;
            IntPtr intptrBitmap = IntPtr.Zero;

            // Submit the work to the TWAIN thread...
            if (this.m_runinuithreaddelegate == null)
            {
                if ((m_threadTwain != null) && (m_threadTwain.ManagedThreadId != Thread.CurrentThread.ManagedThreadId))
                {
                    lock (m_lockTwain)
                    {
                        // Set our command variables...
                        ThreadData threaddata = default(ThreadData);
                        threaddata.bitmap = a_bitmap;
                        threaddata.dg = a_dg;
                        threaddata.msg = a_msg;
                        threaddata.dat = DAT.IMAGENATIVEXFER;
                        long lIndex = m_twaincommand.Submit(threaddata);

                        // Submit the command and wait for the reply...
                        CallerToThreadSet();
                        ThreadToCallerWaitOne();

                        // Return the result...
                        a_bitmap = m_twaincommand.Get(lIndex).bitmap;
                        sts = m_twaincommand.Get(lIndex).sts;

                        // Clear the command variables...
                        m_twaincommand.Delete(lIndex);
                    }
                    return (sts);
                }
            }

            // Log it...
            if (Log.GetLevel() > 0)
            {
                Log.LogSendBefore(a_dg.ToString(), DAT.IMAGENATIVEXFER.ToString(), a_msg.ToString(), "");
            }

            // Windows...
            if (ms_platform == Platform.WINDOWS)
            {
                // Issue the command...
                try
                {
                    if (m_blUseLegacyDSM)
                    {
                    }
                    else
                    {
                    }
                    if (this.m_runinuithreaddelegate == null)
                    {
                        if (m_blUseLegacyDSM)
                        {
                            sts = (STS)WindowsTwain32DsmEntryImagenativexfer(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.IMAGENATIVEXFER, a_msg, ref intptrBitmap);
                        }
                        else
                        {
                            sts = (STS)WindowsTwaindsmDsmEntryImagenativexfer(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.IMAGENATIVEXFER, a_msg, ref intptrBitmap);
                        }
                    }
                    else
                    {
                        if (m_blUseLegacyDSM)
                        {
                            lock (m_lockTwain)
                            {
                                ThreadData threaddata = default(ThreadData);
                                threaddata.intptrBitmap = IntPtr.Zero;
                                threaddata.dg = a_dg;
                                threaddata.msg = a_msg;
                                threaddata.dat = DAT.IMAGENATIVEXFER;
                                m_lIndexDatImagenativexfer = m_twaincommand.Submit(threaddata);
                                RunInUiThread(DatImagenativexferWindowsTwain32);
                                intptrBitmap = m_twaincommand.Get(m_lIndexDatImagenativexfer).intptrBitmap;
                                sts = m_twaincommand.Get(m_lIndexDatImagenativexfer).sts;
                                m_twaincommand.Delete(m_lIndexDatImagenativexfer);
                            }
                        }
                        else
                        {
                            lock (m_lockTwain)
                            {
                                ThreadData threaddata = default(ThreadData);
                                threaddata.intptrBitmap = IntPtr.Zero;
                                threaddata.dg = a_dg;
                                threaddata.msg = a_msg;
                                threaddata.dat = DAT.IMAGENATIVEXFER;
                                m_lIndexDatImagenativexfer = m_twaincommand.Submit(threaddata);
                                RunInUiThread(DatImagenativexferWindowsTwainDsm);
                                intptrBitmap = m_twaincommand.Get(m_lIndexDatImagenativexfer).intptrBitmap;
                                sts = m_twaincommand.Get(m_lIndexDatImagenativexfer).sts;
                                m_twaincommand.Delete(m_lIndexDatImagenativexfer);
                            }
                        }
                    }
                }
//.........这里部分代码省略.........

        /// <summary>
        /// Get/Set image info information...
        /// </summary>
        /// <param name="a_dg">Data group</param>
        /// <param name="a_msg">Operation</param>
        /// <param name="a_twimageinfo">IMAGEINFO structure</param>
        /// <returns>TWAIN status</returns>
        public STS DatImageinfo(DG a_dg, MSG a_msg, ref TW_IMAGEINFO a_twimageinfo)
        {
            STS sts;

            // Submit the work to the TWAIN thread...
            if ((m_threadTwain != null) && (m_threadTwain.ManagedThreadId != Thread.CurrentThread.ManagedThreadId))
            {
                lock (m_lockTwain)
                {
                    // Set our command variables...
                    ThreadData threaddata = default(ThreadData);
                    threaddata.twimageinfo = a_twimageinfo;
                    threaddata.dg = a_dg;
                    threaddata.msg = a_msg;
                    threaddata.dat = DAT.IMAGEINFO;
                    long lIndex = m_twaincommand.Submit(threaddata);

                    // Submit the command and wait for the reply...
                    CallerToThreadSet();
                    ThreadToCallerWaitOne();

                    // Return the result...
                    a_twimageinfo = m_twaincommand.Get(lIndex).twimageinfo;
                    sts = m_twaincommand.Get(lIndex).sts;

                    // Clear the command variables...
                    m_twaincommand.Delete(lIndex);
                }
                return (sts);
            }

            // Log it...
            if (Log.GetLevel() > 0)
            {
                Log.LogSendBefore(a_dg.ToString(), DAT.IMAGEINFO.ToString(), a_msg.ToString(), "");
            }

            // Windows...
            if (ms_platform == Platform.WINDOWS)
            {
                // Issue the command...
                try
                {
                    if (m_blUseLegacyDSM)
                    {
                        sts = (STS)WindowsTwain32DsmEntryImageinfo(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.IMAGEINFO, a_msg, ref a_twimageinfo);
                    }
                    else
                    {
                        sts = (STS)WindowsTwaindsmDsmEntryImageinfo(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.IMAGEINFO, a_msg, ref a_twimageinfo);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

            // Linux...
            else if (ms_platform == Platform.LINUX)
            {
                // Issue the command...
                try
                {
                    if (TWAIN.GetMachineWordBitSize() == 32)
                    {
                        sts = (STS)LinuxDsmEntryImageinfo(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.IMAGEINFO, a_msg, ref a_twimageinfo);
                    }
                    else
                    {
                        TW_IMAGEINFO_LINUX64 twimageinfolinux64 = default(TW_IMAGEINFO_LINUX64);
                        sts = (STS)Linux64DsmEntryImageinfo(ref m_twidentityApp, ref m_twidentityDs, a_dg, DAT.IMAGEINFO, a_msg, ref twimageinfolinux64);
                        a_twimageinfo.XResolution = twimageinfolinux64.XResolution;
                        a_twimageinfo.YResolution = twimageinfolinux64.YResolution;
                        a_twimageinfo.ImageWidth = (int)twimageinfolinux64.ImageWidth;
                        a_twimageinfo.ImageLength = (int)twimageinfolinux64.ImageLength;
                        a_twimageinfo.SamplesPerPixel = twimageinfolinux64.SamplesPerPixel;
                        a_twimageinfo.BitsPerSample_0 = twimageinfolinux64.BitsPerSample_0;
                        a_twimageinfo.BitsPerSample_1 = twimageinfolinux64.BitsPerSample_1;
                        a_twimageinfo.BitsPerSample_2 = twimageinfolinux64.BitsPerSample_2;
                        a_twimageinfo.BitsPerSample_3 = twimageinfolinux64.BitsPerSample_3;
                        a_twimageinfo.BitsPerSample_4 = twimageinfolinux64.BitsPerSample_4;
                        a_twimageinfo.BitsPerSample_5 = twimageinfolinux64.BitsPerSample_5;
                        a_twimageinfo.BitsPerSample_6 = twimageinfolinux64.BitsPerSample_6;
                        a_twimageinfo.BitsPerSample_7 = twimageinfolinux64.BitsPerSample_7;
                        a_twimageinfo.BitsPerPixel = twimageinfolinux64.BitsPerPixel;
                        a_twimageinfo.Planar = twimageinfolinux64.Planar;
                        a_twimageinfo.PixelType = twimageinfolinux64.PixelType;
                        a_twimageinfo.Compression = twimageinfolinux64.Compression;
                    }
                }
//.........这里部分代码省略.........

        /// <summary>
        /// Issue identity commands...
        /// </summary>
        /// <param name="a_dg">Data group</param>
        /// <param name="a_msg">Operation</param>
        /// <param name="a_twidentity">IDENTITY structure</param>
        /// <returns>TWAIN status</returns>
        public STS DatIdentity(DG a_dg, MSG a_msg, ref TW_IDENTITY a_twidentity)
        {
            STS sts;

            // Submit the work to the TWAIN thread...
            if ((m_threadTwain != null) && (m_threadTwain.ManagedThreadId != Thread.CurrentThread.ManagedThreadId))
            {
                lock (m_lockTwain)
                {
                    // Set our command variables...
                    ThreadData threaddata = default(ThreadData);
                    threaddata.twidentity = a_twidentity;
                    threaddata.dg = a_dg;
                    threaddata.msg = a_msg;
                    threaddata.dat = DAT.IDENTITY;
                    long lIndex = m_twaincommand.Submit(threaddata);

                    // Submit the command and wait for the reply...
                    CallerToThreadSet();
                    ThreadToCallerWaitOne();

                    // Return the result...
                    a_twidentity = m_twaincommand.Get(lIndex).twidentity;
                    sts = m_twaincommand.Get(lIndex).sts;

                    // Clear the command variables...
                    m_twaincommand.Delete(lIndex);
                }
                return (sts);
            }

            // Log it...
            if (Log.GetLevel() > 0)
            {
                Log.LogSendBefore(a_dg.ToString(), DAT.IDENTITY.ToString(), a_msg.ToString(), ((a_msg == MSG.OPENDS) ? IdentityToCsv(a_twidentity) : ""));
            }

            // Windows...
            if (ms_platform == Platform.WINDOWS)
            {
                TW_IDENTITY_LEGACY twidentitylegacy = TwidentityToTwidentitylegacy(a_twidentity);
                // Issue the command...
                try
                {
                    if (m_blUseLegacyDSM)
                    {
                        sts = (STS)WindowsTwain32DsmEntryIdentity(ref m_twidentitylegacyApp, IntPtr.Zero, a_dg, DAT.IDENTITY, a_msg, ref twidentitylegacy);
                    }
                    else
                    {
                        sts = (STS)WindowsTwaindsmDsmEntryIdentity(ref m_twidentitylegacyApp, IntPtr.Zero, a_dg, DAT.IDENTITY, a_msg, ref twidentitylegacy);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
                a_twidentity = TwidentitylegacyToTwidentity(twidentitylegacy);
            }

            // Linux...
            else if (ms_platform == Platform.LINUX)
            {
                // Issue the command...
                try
                {
                    if (GetMachineWordBitSize() == 32)
                    {
                        TW_IDENTITY_LEGACY twidentitylegacy = TwidentityToTwidentitylegacy(a_twidentity);
                        sts = (STS)LinuxDsmEntryIdentity(ref m_twidentitylegacyApp, IntPtr.Zero, a_dg, DAT.IDENTITY, a_msg, ref twidentitylegacy);
                        a_twidentity = TwidentitylegacyToTwidentity(twidentitylegacy);
                    }
                    else
                    {
                        sts = (STS)Linux64DsmEntryIdentity(ref m_twidentityApp, IntPtr.Zero, a_dg, DAT.IDENTITY, a_msg, ref a_twidentity);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

            // Mac OS X, which has to be different...
            else if (ms_platform == Platform.MACOSX)
            {
                TW_IDENTITY_MACOSX twidentitymacosx = TwidentityToTwidentitymacosx(a_twidentity);
                // Issue the command...
                try
//.........这里部分代码省略.........

        /// <summary>
        /// Issue event commands...
        /// </summary>
        /// <param name="a_dg">Data group</param>
        /// <param name="a_msg">Operation</param>
        /// <param name="a_twevent">EVENT structure</param>
        /// <returns>TWAIN status</returns>
        public STS DatEvent(DG a_dg, MSG a_msg, ref TW_EVENT a_twevent)
        {
            STS sts;

            // Log it...
            if (Log.GetLevel() > 1)
            {
                Log.LogSendBefore(a_dg.ToString(), DAT.EVENT.ToString(), a_msg.ToString(), "");
            }

            // Windows...
            if (ms_platform == Platform.WINDOWS)
            {
                // Issue the command...
                try
                {
                    if (m_blUseLegacyDSM)
                    {
                        sts = (STS)WindowsTwain32DsmEntryEvent(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.EVENT, a_msg, ref a_twevent);
                    }
                    else
                    {
                        sts = (STS)WindowsTwaindsmDsmEntryEvent(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.EVENT, a_msg, ref a_twevent);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

            // Linux...
            else if (ms_platform == Platform.LINUX)
            {
                // Issue the command...
                try
                {
                    if (GetMachineWordBitSize() == 32)
                    {
                        sts = (STS)LinuxDsmEntryEvent(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.EVENT, a_msg, ref a_twevent);
                    }
                    else
                    {
                        sts = (STS)Linux64DsmEntryEvent(ref m_twidentityApp, ref m_twidentityDs, a_dg, DAT.EVENT, a_msg, ref a_twevent);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

            // Mac OS X, which has to be different...
            else if (ms_platform == Platform.MACOSX)
            {
                // Issue the command...
                try
                {
                    sts = (STS)MacosxDsmEntryEvent(ref m_twidentitymacosxApp, ref m_twidentitymacosxDs, a_dg, DAT.EVENT, a_msg, ref a_twevent);
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

            // Uh-oh...
            else
            {
                Log.LogSendAfter(STS.BUMMER.ToString(), "");
                return (STS.BUMMER);
            }

            // Log it...
            if (Log.GetLevel() > 1)
            {
                Log.LogSendAfter(sts.ToString(), "");
            }

            // Check the event for anything interesting...
            if ((sts == STS.DSEVENT) || (sts == STS.NOTDSEVENT))
            {
                ProcessEvent((MSG)a_twevent.TWMessage);
            }

            // All done...
            return (AutoDatStatus(sts));
//.........这里部分代码省略.........

        /// <summary>
        /// Get the entrypoint data...
        /// </summary>
        /// <param name="a_dg">Data group</param>
        /// <param name="a_msg">Operation</param>
        /// <param name="a_twentrypoint">ENTRYPOINT structure</param>
        /// <returns>TWAIN status</returns>
        public STS DatEntrypoint(DG a_dg, MSG a_msg, ref TW_ENTRYPOINT a_twentrypoint)
        {
            STS sts;

            // Submit the work to the TWAIN thread...
            if ((m_threadTwain != null) && (m_threadTwain.ManagedThreadId != Thread.CurrentThread.ManagedThreadId))
            {
                lock (m_lockTwain)
                {
                    // Set our command variables...
                    ThreadData threaddata = default(ThreadData);
                    threaddata.twentrypoint = a_twentrypoint;
                    threaddata.dg = a_dg;
                    threaddata.msg = a_msg;
                    threaddata.dat = DAT.ENTRYPOINT;
                    long lIndex = m_twaincommand.Submit(threaddata);

                    // Submit the command and wait for the reply...
                    CallerToThreadSet();
                    ThreadToCallerWaitOne();

                    // Return the result...
                    a_twentrypoint = m_twaincommand.Get(lIndex).twentrypoint;
                    sts = m_twaincommand.Get(lIndex).sts;

                    // Clear the command variables...
                    m_twaincommand.Delete(lIndex);
                }
                return (sts);
            }

            // Log it...
            if (Log.GetLevel() > 0)
            {
                Log.LogSendBefore(a_dg.ToString(), DAT.ENTRYPOINT.ToString(), a_msg.ToString(), EntrypointToCsv(a_twentrypoint));
            }

            // Windows...
            if (ms_platform == Platform.WINDOWS)
            {
                // Issue the command...
                try
                {
                    if (m_blUseLegacyDSM)
                    {
                        sts = (STS)WindowsTwain32DsmEntryEntrypoint(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.ENTRYPOINT, a_msg, ref a_twentrypoint);
                    }
                    else
                    {
                        sts = (STS)WindowsTwaindsmDsmEntryEntrypoint(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.ENTRYPOINT, a_msg, ref a_twentrypoint);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

            // Linux...
            else if (ms_platform == Platform.LINUX)
            {
                // Issue the command...
                try
                {
                    if (GetMachineWordBitSize() == 32)
                    {
                        sts = (STS)LinuxDsmEntryEntrypoint(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.ENTRYPOINT, a_msg, ref a_twentrypoint);
                    }
                    else
                    {
                        sts = (STS)Linux64DsmEntryEntrypoint(ref m_twidentityApp, ref m_twidentityDs, a_dg, DAT.ENTRYPOINT, a_msg, ref a_twentrypoint);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

            // Mac OS X, which has to be different...
            else if (ms_platform == Platform.MACOSX)
            {
                // Issue the command...
                try
                {
                    sts = (STS)MacosxDsmEntryEntrypoint(ref m_twidentitymacosxApp, ref m_twidentitymacosxDs, a_dg, DAT.ENTRYPOINT, a_msg, ref a_twentrypoint);
                }
                catch
                {
//.........这里部分代码省略.........

        /// <summary>
        /// Issue capabilities commands...
        /// </summary>
        /// <param name="a_dg">Data group</param>
        /// <param name="a_msg">Operation</param>
        /// <param name="a_twcapability">CAPABILITY structure</param>
        /// <returns>TWAIN status</returns>
        public STS DatCapability(DG a_dg, MSG a_msg, ref TW_CAPABILITY a_twcapability)
        {
            STS sts;

            // Submit the work to the TWAIN thread...
            if ((m_threadTwain != null) && (m_threadTwain.ManagedThreadId != Thread.CurrentThread.ManagedThreadId))
            {
                lock (m_lockTwain)
                {
                    ThreadData threaddata = default(ThreadData);
                    long lIndex = 0;

                    // TBD: sometimes this doesn't work!  Not sure why
                    // yet, but a retry takes care of it.
                    for (int ii = 0; ii < 5; ii++)
                    {
                        // Set our command variables...
                        threaddata = default(ThreadData);
                        threaddata.twcapability = a_twcapability;
                        threaddata.dg = a_dg;
                        threaddata.msg = a_msg;
                        threaddata.dat = DAT.CAPABILITY;
                        lIndex = m_twaincommand.Submit(threaddata);

                        // Submit the command and wait for the reply...
                        CallerToThreadSet();
                        ThreadToCallerWaitOne();

                        // Hmmm...
                        if (   (a_msg == MSG.GETCURRENT)
                            && (m_twaincommand.Get(lIndex).sts == STS.SUCCESS)
                            && (m_twaincommand.Get(lIndex).twcapability.ConType == (TWON)0)
                            && (m_twaincommand.Get(lIndex).twcapability.hContainer == IntPtr.Zero))
                        {
                            Thread.Sleep(1000);
                            continue;
                        }

                        // We're done...
                        break;
                    }

                    // Return the result...
                    a_twcapability = m_twaincommand.Get(lIndex).twcapability;
                    sts = m_twaincommand.Get(lIndex).sts;

                    // Clear the command variables...
                    m_twaincommand.Delete(lIndex);
                }
                return (sts);
            }

            // Log it...
            if (Log.GetLevel() > 0)
            {
                if ((a_msg == MSG.SET) || (a_msg == MSG.SETCONSTRAINT))
                {
                    Log.LogSendBefore(a_dg.ToString(), DAT.CAPABILITY.ToString(), a_msg.ToString(), CapabilityToCsv(a_twcapability));
                }
                else
                {
                    string szCap = a_twcapability.Cap.ToString();
                    if (!szCap.Contains("_"))
                    {
                        szCap = "0x" + ((ushort)a_twcapability.Cap).ToString("X");
                    }
                    Log.LogSendBefore(a_dg.ToString(), DAT.CAPABILITY.ToString(), a_msg.ToString(), szCap + ",0,0");
                }
            }

            // Windows...
            if (ms_platform == Platform.WINDOWS)
            {
                // Issue the command...
                try
                {
                    if (m_blUseLegacyDSM)
                    {
                        sts = (STS)WindowsTwain32DsmEntryCapability(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.CAPABILITY, a_msg, ref a_twcapability);
                    }
                    else
                    {
                        sts = (STS)WindowsTwaindsmDsmEntryCapability(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.CAPABILITY, a_msg, ref a_twcapability);
                    }
                }
                catch
                {
                    // The driver crashed...
                    Log.LogSendAfter(STS.BUMMER.ToString(), "");
                    return (STS.BUMMER);
                }
            }

//.........这里部分代码省略.........