。

views/MainWindow.xaml.cs

@@ -68,19 +68,19 @@ namespace DeviceCenter
 
             lv_device.ItemsSource = devices;
 
-            System.Windows.Threading.DispatcherTimer dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
-            dispatcherTimer.Tick += GetAllCard;
-            dispatcherTimer.Interval = new TimeSpan(0, 30, 0);
-            dispatcherTimer.Start();
-
-            System.Windows.Threading.DispatcherTimer timer = new System.Windows.Threading.DispatcherTimer();
-            timer.Tick += (s, e) =>
-            {
-                ((System.Windows.Threading.DispatcherTimer)s).Stop();
-                GetAllCard(null, null);
-            };
-            timer.Interval = new TimeSpan(0, 0, 5);
-            timer.Start();
+            //System.Windows.Threading.DispatcherTimer dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
+            //dispatcherTimer.Tick += GetAllCard;
+            //dispatcherTimer.Interval = new TimeSpan(0, 30, 0);
+            //dispatcherTimer.Start();
+
+            //System.Windows.Threading.DispatcherTimer timer = new System.Windows.Threading.DispatcherTimer();
+            //timer.Tick += (s, e) =>
+            //{
+            //    ((System.Windows.Threading.DispatcherTimer)s).Stop();
+            //    GetAllCard(null, null);
+            //};
+            //timer.Interval = new TimeSpan(0, 0, 5);
+            //timer.Start();
         }
 
         private void Window_Loaded(object sender, RoutedEventArgs e)
@@ -261,55 +261,50 @@ namespace DeviceCenter
 
         private void GetAllCard(object source, EventArgs e)
         {
+
+            int m_userId = -1;
+            AcsDevice device = null;
             try
             {
-                int m_userId = -1;
-                AcsDevice device = null;
-                try
-                {
-                    device = (AcsDevice)devices.First(i => i.type == DeviceType.ACS && i.status == DeviceStatus.CONNECTED);
-                }
-                catch { }
-                if (device == null)
-                {
-                    log.Info("no connected device");
-                    return;
-                }
-                m_userId = device.userId;
-                if (-1 != m_lGetCardCfgHandle)
-                {
-                    if (CHCNetSDK.NET_DVR_StopRemoteConfig(m_lGetCardCfgHandle))
-                    {
-                        m_lGetCardCfgHandle = -1;
-                    }
-                }
-                CHCNetSDK.NET_DVR_CARD_CFG_COND struCond = new CHCNetSDK.NET_DVR_CARD_CFG_COND();
-                struCond.dwSize = (uint)Marshal.SizeOf(struCond);
-                struCond.wLocalControllerID = 0;
-                struCond.dwCardNum = 0xffffffff;
-                struCond.byCheckCardNo = 1;
-
-                int dwSize = Marshal.SizeOf(struCond);
-                IntPtr ptrStruCond = Marshal.AllocHGlobal(dwSize);
-                Marshal.StructureToPtr(struCond, ptrStruCond, false);
-                g_fGetGatewayCardCallback = new CHCNetSDK.RemoteConfigCallback(ProcessGetGatewayCardCallback);
-
-                m_lGetCardCfgHandle = CHCNetSDK.NET_DVR_StartRemoteConfig(m_userId, CHCNetSDK.NET_DVR_GET_CARD_CFG_V50, ptrStruCond, dwSize, g_fGetGatewayCardCallback, new WindowInteropHelper(this).Handle);
-                if (m_lGetCardCfgHandle == -1)
-                {
-                    log.Info(string.Format("NET_DVR_GET_CARD_CFG_V50 FAIL, ERROR CODE {0}", CHCNetSDK.NET_DVR_GetLastError()));
-                    Marshal.FreeHGlobal(ptrStruCond);
-                    return;
-                }
-                else
+                device = (AcsDevice)devices.First(i => i.type == DeviceType.ACS && i.status == DeviceStatus.CONNECTED);
+            }
+            catch { }
+            if (device == null)
+            {
+                log.Info("no connected device");
+                return;
+            }
+            m_userId = device.userId;
+            if (-1 != m_lGetCardCfgHandle)
+            {
+                if (CHCNetSDK.NET_DVR_StopRemoteConfig(m_lGetCardCfgHandle))
                 {
-                    log.Info("SUCC NET_DVR_GET_CARD_CFG_V50");
+                    m_lGetCardCfgHandle = -1;
                 }
+            }
+            CHCNetSDK.NET_DVR_CARD_CFG_COND struCond = new CHCNetSDK.NET_DVR_CARD_CFG_COND();
+            struCond.dwSize = (uint)Marshal.SizeOf(struCond);
+            struCond.wLocalControllerID = 0;
+            struCond.dwCardNum = 0xffffffff;
+            struCond.byCheckCardNo = 1;
+
+            int dwSize = Marshal.SizeOf(struCond);
+            IntPtr ptrStruCond = Marshal.AllocHGlobal(dwSize);
+            Marshal.StructureToPtr(struCond, ptrStruCond, false);
+            g_fGetGatewayCardCallback = new CHCNetSDK.RemoteConfigCallback(ProcessGetGatewayCardCallback);
+
+            m_lGetCardCfgHandle = CHCNetSDK.NET_DVR_StartRemoteConfig(m_userId, CHCNetSDK.NET_DVR_GET_CARD_CFG_V50, ptrStruCond, dwSize, g_fGetGatewayCardCallback, new WindowInteropHelper(this).Handle);
+            if (m_lGetCardCfgHandle == -1)
+            {
+                log.Info(string.Format("NET_DVR_GET_CARD_CFG_V50 FAIL, ERROR CODE {0}", CHCNetSDK.NET_DVR_GetLastError()));
                 Marshal.FreeHGlobal(ptrStruCond);
+                return;
             }
-            catch (Exception ex) {
-                log.Error(ex);
+            else
+            {
+                log.Info("SUCC NET_DVR_GET_CARD_CFG_V50");
             }
+            Marshal.FreeHGlobal(ptrStruCond);
         }
 
         private void ProcessGetGatewayCardCallback(uint dwType, IntPtr lpBuffer, uint dwBufLen, IntPtr pUserData)