improve:联动模块

Ink Canvas/MainWindow_cs/MW_PPT.cs

@@ -28,6 +28,8 @@ namespace Ink_Canvas {
 
         private void BtnCheckPPT_Click(object sender, RoutedEventArgs e) {
             try {
+                // 显示加载动画
+                Application.Current.Dispatcher.Invoke(() => { LoadingMask.Visibility = Visibility.Visible; });
                 pptApplication =
                     (Microsoft.Office.Interop.PowerPoint.Application)Marshal.GetActiveObject("kwpp.Application");
                 //pptApplication.SlideShowWindows[1].View.Next();
@@ -67,6 +69,10 @@ namespace Ink_Canvas {
                 RightSidePanelForPPTNavigation.Visibility = Visibility.Collapsed;
                 MessageBox.Show("未找到幻灯片");
             }
+            finally {
+                // 隐藏加载动画
+                Application.Current.Dispatcher.Invoke(() => { LoadingMask.Visibility = Visibility.Collapsed; });
+            }
         }
 
         private void ToggleSwitchSupportWPS_Toggled(object sender, RoutedEventArgs e) {
@@ -85,16 +91,8 @@ namespace Ink_Canvas {
         private void TimerCheckPPT_Elapsed(object sender, ElapsedEventArgs e) {
             if (IsShowingRestoreHiddenSlidesWindow || IsShowingAutoplaySlidesWindow) return;
             try {
-                //var processes = Process.GetProcessesByName("wpp");
-                //if (processes.Length > 0 && !isWPSSupportOn) return;
-
-                //使用下方提前创建 PowerPoint 实例，将导致 PowerPoint 不再有启动界面
-                //pptApplication = (Microsoft.Office.Interop.PowerPoint.Application)Activator.CreateInstance(Marshal.GetTypeFromCLSID(new Guid("91493441-5A91-11CF-8700-00AA0060263B")));
-                //new ComAwareEventInfo(typeof(EApplication_Event), "SlideShowBegin").AddEventHandler(pptApplication, new EApplication_SlideShowBeginEventHandler(this.PptApplication_SlideShowBegin));
-                //new ComAwareEventInfo(typeof(EApplication_Event), "SlideShowEnd").AddEventHandler(pptApplication, new EApplication_SlideShowEndEventHandler(this.PptApplication_SlideShowEnd));
-                //new ComAwareEventInfo(typeof(EApplication_Event), "SlideShowNextSlide").AddEventHandler(pptApplication, new EApplication_SlideShowNextSlideEventHandler(this.PptApplication_SlideShowNextSlide));
-                //ConfigHelper.Instance.IsInitApplicationSuccessful = true;
-
+                // 显示加载动画
+                Application.Current.Dispatcher.Invoke(() => { LoadingMask.Visibility = Visibility.Visible; });
                 pptApplication =
                     (Microsoft.Office.Interop.PowerPoint.Application)Marshal.GetActiveObject("PowerPoint.Application");
 
@@ -142,6 +140,10 @@ namespace Ink_Canvas {
                 Application.Current.Dispatcher.Invoke(() => { BtnPPTSlideShow.Visibility = Visibility.Collapsed; });
                 timerCheckPPT.Start();
             }
+            finally {
+                // 隐藏加载动画
+                Application.Current.Dispatcher.Invoke(() => { LoadingMask.Visibility = Visibility.Collapsed; });
+            }
         }
 
         private void PptApplication_PresentationOpen(Presentation Pres) {