using Ink_Canvas.Helpers; using Microsoft.Office.Interop.PowerPoint; using System; using System.IO; using System.Runtime.InteropServices; using System.Threading; using System.Threading.Tasks; using System.Timers; using System.Windows; using System.Windows.Ink; using System.Windows.Input; using System.Windows.Media; using System.Windows.Threading; using Application = System.Windows.Application; using File = System.IO.File; using MessageBox = System.Windows.MessageBox; using iNKORE.UI.WPF.Modern; namespace Ink_Canvas { public partial class MainWindow : Window { public static Microsoft.Office.Interop.PowerPoint.Application pptApplication = null; public static Presentation presentation = null; public static Slides slides = null; public static Slide slide = null; public static int slidescount = 0; private void BtnCheckPPT_Click(object sender, RoutedEventArgs e) { try { pptApplication = (Microsoft.Office.Interop.PowerPoint.Application)Marshal.GetActiveObject("kwpp.Application"); //pptApplication.SlideShowWindows[1].View.Next(); if (pptApplication != null) { //获得演示文稿对象 presentation = pptApplication.ActivePresentation; pptApplication.SlideShowBegin += PptApplication_SlideShowBegin; pptApplication.SlideShowNextSlide += PptApplication_SlideShowNextSlide; pptApplication.SlideShowEnd += PptApplication_SlideShowEnd; // 获得幻灯片对象集合 slides = presentation.Slides; // 获得幻灯片的数量 slidescount = slides.Count; memoryStreams = new MemoryStream[slidescount + 2]; // 获得当前选中的幻灯片 try { // 在普通视图下这种方式可以获得当前选中的幻灯片对象 // 然而在阅读模式下，这种方式会出现异常 slide = slides[pptApplication.ActiveWindow.Selection.SlideRange.SlideNumber]; } catch { // 在阅读模式下出现异常时，通过下面的方式来获得当前选中的幻灯片对象 slide = pptApplication.SlideShowWindows[1].View.Slide; } } if (pptApplication == null) throw new Exception(); //BtnCheckPPT.Visibility = Visibility.Collapsed; StackPanelPPTControls.Visibility = Visibility.Visible; } catch { //BtnCheckPPT.Visibility = Visibility.Visible; StackPanelPPTControls.Visibility = Visibility.Collapsed; BottomViewboxPPTSidesControl.Visibility = Visibility.Collapsed; LeftSidePanelForPPTNavigation.Visibility = Visibility.Collapsed; RightSidePanelForPPTNavigation.Visibility = Visibility.Collapsed; MessageBox.Show("未找到幻灯片"); } } private void ToggleSwitchSupportWPS_Toggled(object sender, RoutedEventArgs e) { if (!isLoaded) return; Settings.PowerPointSettings.IsSupportWPS = ToggleSwitchSupportWPS.IsOn; SaveSettingsToFile(); } private static bool isWPSSupportOn => Settings.PowerPointSettings.IsSupportWPS; public static bool IsShowingRestoreHiddenSlidesWindow = false; private static bool IsShowingAutoplaySlidesWindow = false; private void TimerCheckPPT_Elapsed(object sender, ElapsedEventArgs e) { if (IsShowingRestoreHiddenSlidesWindow) 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; pptApplication = (Microsoft.Office.Interop.PowerPoint.Application)Marshal.GetActiveObject("PowerPoint.Application"); if (pptApplication != null) { timerCheckPPT.Stop(); //获得演示文稿对象 presentation = pptApplication.ActivePresentation; pptApplication.PresentationClose += PptApplication_PresentationClose; pptApplication.SlideShowBegin += PptApplication_SlideShowBegin; pptApplication.SlideShowNextSlide += PptApplication_SlideShowNextSlide; pptApplication.SlideShowEnd += PptApplication_SlideShowEnd; // 获得幻灯片对象集合 slides = presentation.Slides; // 获得幻灯片的数量 slidescount = slides.Count; memoryStreams = new MemoryStream[slidescount + 2]; // 获得当前选中的幻灯片 try { // 在普通视图下这种方式可以获得当前选中的幻灯片对象 // 然而在阅读模式下，这种方式会出现异常 slide = slides[pptApplication.ActiveWindow.Selection.SlideRange.SlideNumber]; } catch { // 在阅读模式下出现异常时，通过下面的方式来获得当前选中的幻灯片对象 slide = pptApplication.SlideShowWindows[1].View.Slide; } } if (pptApplication == null) return; //BtnCheckPPT.Visibility = Visibility.Collapsed; // 跳转到上次播放页 if (Settings.PowerPointSettings.IsNotifyPreviousPage) Application.Current.Dispatcher.BeginInvoke(new Action(() => { var folderPath = Settings.Automation.AutoSavedStrokesLocation + @"\Auto Saved - Presentations\" + presentation.Name + "_" + presentation.Slides.Count; try { if (!File.Exists(folderPath + "/Position")) return; if (!int.TryParse(File.ReadAllText(folderPath + "/Position"), out var page)) return; if (page <= 0) return; new YesOrNoNotificationWindow($"上次播放到了第 {page} 页, 是否立即跳转", () => { if (pptApplication.SlideShowWindows.Count >= 1) // 如果已经播放了的话, 跳转 presentation.SlideShowWindow.View.GotoSlide(page); else presentation.Windows[1].View.GotoSlide(page); }).ShowDialog(); } catch (Exception ex) { LogHelper.WriteLogToFile(ex.ToString(), LogHelper.LogType.Error); } }), DispatcherPriority.Normal); //检查是否有隐藏幻灯片 if (Settings.PowerPointSettings.IsNotifyHiddenPage) { var isHaveHiddenSlide = false; foreach (Slide slide in slides) if (slide.SlideShowTransition.Hidden == Microsoft.Office.Core.MsoTriState.msoTrue) { isHaveHiddenSlide = true; break; } Application.Current.Dispatcher.BeginInvoke(new Action(() => { if (isHaveHiddenSlide && !IsShowingRestoreHiddenSlidesWindow) { IsShowingRestoreHiddenSlidesWindow = true; new YesOrNoNotificationWindow("检测到此演示文档中包含隐藏的幻灯片，是否取消隐藏？", () => { foreach (Slide slide in slides) if (slide.SlideShowTransition.Hidden == Microsoft.Office.Core.MsoTriState.msoTrue) slide.SlideShowTransition.Hidden = Microsoft.Office.Core.MsoTriState.msoFalse; }).ShowDialog(); } BtnPPTSlideShow.Visibility = Visibility.Visible; }), DispatcherPriority.Normal); } //检测是否有自动播放 if (Settings.PowerPointSettings.IsNotifyAutoPlayPresentation) Application.Current.Dispatcher.BeginInvoke(new Action(() => { var isHaveAutoPlaySettings = false; isHaveAutoPlaySettings = presentation.SlideShowSettings.AdvanceMode != PpSlideShowAdvanceMode.ppSlideShowManualAdvance; if (isHaveAutoPlaySettings && !IsShowingAutoplaySlidesWindow) { IsShowingAutoplaySlidesWindow = true; new YesOrNoNotificationWindow("检测到此演示文档中有自动播放或排练计时已经启用，是否取消？", () => { presentation.SlideShowSettings.AdvanceMode = PpSlideShowAdvanceMode.ppSlideShowManualAdvance; }).ShowDialog(); } BtnPPTSlideShow.Visibility = Visibility.Visible; }), DispatcherPriority.Normal); //如果检测到已经开始放映，则立即进入画板模式 if (pptApplication.SlideShowWindows.Count >= 1) PptApplication_SlideShowBegin(pptApplication.SlideShowWindows[1]); } catch { //StackPanelPPTControls.Visibility = Visibility.Collapsed; Application.Current.Dispatcher.Invoke(() => { BtnPPTSlideShow.Visibility = Visibility.Collapsed; }); timerCheckPPT.Start(); } } private void PptApplication_PresentationClose(Presentation Pres) { pptApplication.PresentationClose -= PptApplication_PresentationClose; pptApplication.SlideShowBegin -= PptApplication_SlideShowBegin; pptApplication.SlideShowNextSlide -= PptApplication_SlideShowNextSlide; pptApplication.SlideShowEnd -= PptApplication_SlideShowEnd; pptApplication = null; timerCheckPPT.Start(); Application.Current.Dispatcher.Invoke(() => { BtnPPTSlideShow.Visibility = Visibility.Collapsed; BtnPPTSlideShowEnd.Visibility = Visibility.Collapsed; }); } private bool isPresentationHaveBlackSpace = false; private string pptName = null; private void PptApplication_SlideShowBegin(SlideShowWindow Wn) { if (Settings.Automation.IsAutoFoldInPPTSlideShow && !isFloatingBarFolded) FoldFloatingBar_MouseUp(null, null); else if (isFloatingBarFolded) UnFoldFloatingBar_MouseUp(null, null); isStopInkReplay=true; LogHelper.WriteLogToFile("PowerPoint Application Slide Show Begin", LogHelper.LogType.Event); Application.Current.Dispatcher.Invoke(() => { if (currentMode != 0) ImageBlackboard_MouseUp(null, null); //调整颜色 var screenRatio = SystemParameters.PrimaryScreenWidth / SystemParameters.PrimaryScreenHeight; if (Math.Abs(screenRatio - 16.0 / 9) <= -0.01) { if (Wn.Presentation.PageSetup.SlideWidth / Wn.Presentation.PageSetup.SlideHeight < 1.65) { isPresentationHaveBlackSpace = true; //isButtonBackgroundTransparent = ToggleSwitchTransparentButtonBackground.IsOn; if (BtnSwitchTheme.Content.ToString() == "深色") { //Light BtnExit.Foreground = Brushes.White; //SymbolIconBtnColorBlackContent.Foreground = Brushes.White; ThemeManager.Current.ApplicationTheme = ApplicationTheme.Dark; //BtnExit.Background = new SolidColorBrush(StringToColor("#AACCCCCC")); } else { //Dark //BtnExit.Background = new SolidColorBrush(StringToColor("#AA555555")); } } } else if (screenRatio == -256 / 135) { } lastDesktopInkColor = 1; slidescount = Wn.Presentation.Slides.Count; previousSlideID = 0; memoryStreams = new MemoryStream[slidescount + 2]; pptName = Wn.Presentation.Name; LogHelper.NewLog("Name: " + Wn.Presentation.Name); LogHelper.NewLog("Slides Count: " + slidescount.ToString()); //检查是否有已有墨迹，并加载 if (Settings.PowerPointSettings.IsAutoSaveStrokesInPowerPoint) if (Directory.Exists(Settings.Automation.AutoSavedStrokesLocation + @"\Auto Saved - Presentations\" + Wn.Presentation.Name + "_" + Wn.Presentation.Slides.Count)) { LogHelper.WriteLogToFile("Found saved strokes", LogHelper.LogType.Trace); var files = new DirectoryInfo(Settings.Automation.AutoSavedStrokesLocation + @"\Auto Saved - Presentations\" + Wn.Presentation.Name + "_" + Wn.Presentation.Slides.Count).GetFiles(); var count = 0; foreach (var file in files) if (file.Name != "Position") { var i = -1; try { i = int.Parse(Path.GetFileNameWithoutExtension(file.Name)); memoryStreams[i] = new MemoryStream(File.ReadAllBytes(file.FullName)); memoryStreams[i].Position = 0; count++; } catch (Exception ex) { LogHelper.WriteLogToFile( $"Failed to load strokes on Slide {i}\n{ex.ToString()}", LogHelper.LogType.Error); } } LogHelper.WriteLogToFile($"Loaded {count.ToString()} saved strokes"); } StackPanelPPTControls.Visibility = Visibility.Visible; if (Settings.PowerPointSettings.IsShowBottomPPTNavigationPanel && !isFloatingBarFolded) AnimationsHelper.ShowWithSlideFromBottomAndFade(BottomViewboxPPTSidesControl); else BottomViewboxPPTSidesControl.Visibility = Visibility.Collapsed; if (Settings.PowerPointSettings.IsShowSidePPTNavigationPanel && !isFloatingBarFolded) { AnimationsHelper.ShowWithScaleFromLeft(LeftSidePanelForPPTNavigation); AnimationsHelper.ShowWithScaleFromRight(RightSidePanelForPPTNavigation); } else { LeftSidePanelForPPTNavigation.Visibility = Visibility.Collapsed; RightSidePanelForPPTNavigation.Visibility = Visibility.Collapsed; } BtnPPTSlideShow.Visibility = Visibility.Collapsed; BtnPPTSlideShowEnd.Visibility = Visibility.Visible; ViewBoxStackPanelMain.Margin = new Thickness(10, 10, 10, 10); ViewboxFloatingBar.Opacity = Settings.Appearance.ViewboxFloatingBarOpacityInPPTValue; if (Settings.PowerPointSettings.IsShowCanvasAtNewSlideShow && GridTransparencyFakeBackground.Background == Brushes.Transparent && !isFloatingBarFolded) { if (currentMode != 0) { currentMode = 0; GridBackgroundCover.Visibility = Visibility.Collapsed; AnimationsHelper.HideWithSlideAndFade(BlackboardLeftSide); AnimationsHelper.HideWithSlideAndFade(BlackboardCenterSide); AnimationsHelper.HideWithSlideAndFade(BlackboardRightSide); //SaveStrokes(); ClearStrokes(true); BtnSwitch.Content = BtnSwitchTheme.Content.ToString() == "浅色" ? "黑板" : "白板"; StackPanelPPTButtons.Visibility = Visibility.Visible; } BtnHideInkCanvas_Click(BtnHideInkCanvas, null); } ClearStrokes(true); BorderFloatingBarMainControls.Visibility = Visibility.Visible; if (Settings.PowerPointSettings.IsShowCanvasAtNewSlideShow) BtnColorRed_Click(null, null); isEnteredSlideShowEndEvent = false; PptNavigationTextBlock.Text = $"{Wn.View.CurrentShowPosition}/{Wn.Presentation.Slides.Count}"; LogHelper.NewLog("PowerPoint Slide Show Loading process complete"); if (!isFloatingBarFolded) { new Thread(new ThreadStart(() => { Thread.Sleep(100); Application.Current.Dispatcher.Invoke(() => { ViewboxFloatingBarMarginAnimation(60); }); })).Start(); } }); } private bool isEnteredSlideShowEndEvent = false; //防止重复调用本函数导致墨迹保存失效 private async void PptApplication_SlideShowEnd(Presentation Pres) { if (isFloatingBarFolded) UnFoldFloatingBar_MouseUp(null, null); LogHelper.WriteLogToFile(string.Format("PowerPoint Slide Show End"), LogHelper.LogType.Event); if (isEnteredSlideShowEndEvent) { LogHelper.WriteLogToFile("Detected previous entrance, returning"); return; } isEnteredSlideShowEndEvent = true; if (Settings.PowerPointSettings.IsAutoSaveStrokesInPowerPoint) { var folderPath = Settings.Automation.AutoSavedStrokesLocation + @"\Auto Saved - Presentations\" + Pres.Name + "_" + Pres.Slides.Count; if (!Directory.Exists(folderPath)) Directory.CreateDirectory(folderPath); try { File.WriteAllText(folderPath + "/Position", previousSlideID.ToString()); } catch { } for (var i = 1; i <= Pres.Slides.Count; i++) if (memoryStreams[i] != null) try { if (memoryStreams[i].Length > 8) { var srcBuf = new byte[memoryStreams[i].Length]; var byteLength = memoryStreams[i].Read(srcBuf, 0, srcBuf.Length); File.WriteAllBytes(folderPath + @"\" + i.ToString("0000") + ".icstk", srcBuf); LogHelper.WriteLogToFile(string.Format( "Saved strokes for Slide {0}, size={1}, byteLength={2}", i.ToString(), memoryStreams[i].Length, byteLength)); } else { File.Delete(folderPath + @"\" + i.ToString("0000") + ".icstk"); } } catch (Exception ex) { LogHelper.WriteLogToFile( $"Failed to save strokes for Slide {i}\n{ex.ToString()}", LogHelper.LogType.Error); File.Delete(folderPath + @"\" + i.ToString("0000") + ".icstk"); } } Application.Current.Dispatcher.Invoke(() => { isPresentationHaveBlackSpace = false; if (BtnSwitchTheme.Content.ToString() == "深色") { //Light BtnExit.Foreground = Brushes.Black; //SymbolIconBtnColorBlackContent.Foreground = Brushes.White; ThemeManager.Current.ApplicationTheme = ApplicationTheme.Light; } else { //Dark } BtnPPTSlideShow.Visibility = Visibility.Visible; BtnPPTSlideShowEnd.Visibility = Visibility.Collapsed; StackPanelPPTControls.Visibility = Visibility.Collapsed; BottomViewboxPPTSidesControl.Visibility = Visibility.Collapsed; LeftSidePanelForPPTNavigation.Visibility = Visibility.Collapsed; RightSidePanelForPPTNavigation.Visibility = Visibility.Collapsed; ViewBoxStackPanelMain.Margin = new Thickness(10, 10, 10, 55); if (currentMode != 0) { currentMode = 0; GridBackgroundCover.Visibility = Visibility.Collapsed; AnimationsHelper.HideWithSlideAndFade(BlackboardLeftSide); AnimationsHelper.HideWithSlideAndFade(BlackboardCenterSide); AnimationsHelper.HideWithSlideAndFade(BlackboardRightSide); //SaveStrokes(); ClearStrokes(true); //RestoreStrokes(true); BtnSwitch.Content = BtnSwitchTheme.Content.ToString() == "浅色" ? "黑板" : "白板"; StackPanelPPTButtons.Visibility = Visibility.Visible; } ClearStrokes(true); if (GridTransparencyFakeBackground.Background != Brushes.Transparent) BtnHideInkCanvas_Click(BtnHideInkCanvas, null); ViewboxFloatingBar.Opacity = Settings.Appearance.ViewboxFloatingBarOpacityValue; }); await Task.Delay(150); ViewboxFloatingBarMarginAnimation(100, true); } private int previousSlideID = 0; private MemoryStream[] memoryStreams = new MemoryStream[50]; private void PptApplication_SlideShowNextSlide(SlideShowWindow Wn) { LogHelper.WriteLogToFile($"PowerPoint Next Slide (Slide {Wn.View.CurrentShowPosition})", LogHelper.LogType.Event); if (Wn.View.CurrentShowPosition == previousSlideID) return; Application.Current.Dispatcher.Invoke(() => { var ms = new MemoryStream(); inkCanvas.Strokes.Save(ms); ms.Position = 0; memoryStreams[previousSlideID] = ms; if (inkCanvas.Strokes.Count > Settings.Automation.MinimumAutomationStrokeNumber && Settings.PowerPointSettings.IsAutoSaveScreenShotInPowerPoint && !_isPptClickingBtnTurned) SaveScreenShot(true, Wn.Presentation.Name + "/" + Wn.View.CurrentShowPosition); _isPptClickingBtnTurned = false; ClearStrokes(true); timeMachine.ClearStrokeHistory(); try { if (memoryStreams[Wn.View.CurrentShowPosition] != null && memoryStreams[Wn.View.CurrentShowPosition].Length > 0) inkCanvas.Strokes.Add(new StrokeCollection(memoryStreams[Wn.View.CurrentShowPosition])); } catch { // ignored } PptNavigationTextBlock.Text = $"{Wn.View.CurrentShowPosition}/{Wn.Presentation.Slides.Count}"; }); previousSlideID = Wn.View.CurrentShowPosition; } private bool _isPptClickingBtnTurned = false; private void BtnPPTSlidesUp_Click(object sender, RoutedEventArgs e) { if (currentMode == 1) { GridBackgroundCover.Visibility = Visibility.Collapsed; AnimationsHelper.HideWithSlideAndFade(BlackboardLeftSide); AnimationsHelper.HideWithSlideAndFade(BlackboardCenterSide); AnimationsHelper.HideWithSlideAndFade(BlackboardRightSide); currentMode = 0; } _isPptClickingBtnTurned = true; if (inkCanvas.Strokes.Count > Settings.Automation.MinimumAutomationStrokeNumber && Settings.PowerPointSettings.IsAutoSaveScreenShotInPowerPoint) SaveScreenShot(true, pptApplication.SlideShowWindows[1].Presentation.Name + "/" + pptApplication.SlideShowWindows[1].View.CurrentShowPosition); try { new Thread(new ThreadStart(() => { try { pptApplication.SlideShowWindows[1].Activate(); } catch { // ignored } try { pptApplication.SlideShowWindows[1].View.Previous(); } catch { // ignored } // Without this catch{}, app will crash when click the pre-page button in the fir page in some special env. })).Start(); } catch { StackPanelPPTControls.Visibility = Visibility.Collapsed; BottomViewboxPPTSidesControl.Visibility = Visibility.Collapsed; LeftSidePanelForPPTNavigation.Visibility = Visibility.Collapsed; RightSidePanelForPPTNavigation.Visibility = Visibility.Collapsed; } } private void BtnPPTSlidesDown_Click(object sender, RoutedEventArgs e) { if (currentMode == 1) { GridBackgroundCover.Visibility = Visibility.Collapsed; AnimationsHelper.HideWithSlideAndFade(BlackboardLeftSide); AnimationsHelper.HideWithSlideAndFade(BlackboardCenterSide); AnimationsHelper.HideWithSlideAndFade(BlackboardRightSide); currentMode = 0; } _isPptClickingBtnTurned = true; if (inkCanvas.Strokes.Count > Settings.Automation.MinimumAutomationStrokeNumber && Settings.PowerPointSettings.IsAutoSaveScreenShotInPowerPoint) SaveScreenShot(true, pptApplication.SlideShowWindows[1].Presentation.Name + "/" + pptApplication.SlideShowWindows[1].View.CurrentShowPosition); try { new Thread(new ThreadStart(() => { try { pptApplication.SlideShowWindows[1].Activate(); } catch { // ignored } try { pptApplication.SlideShowWindows[1].View.Next(); } catch { // ignored } })).Start(); } catch { StackPanelPPTControls.Visibility = Visibility.Collapsed; BottomViewboxPPTSidesControl.Visibility = Visibility.Collapsed; LeftSidePanelForPPTNavigation.Visibility = Visibility.Collapsed; RightSidePanelForPPTNavigation.Visibility = Visibility.Collapsed; } } private async void PPTNavigationBtn_Click(object sender, MouseButtonEventArgs e) { if (lastBorderMouseDownObject != sender) return; GridTransparencyFakeBackground.Opacity = 1; GridTransparencyFakeBackground.Background = new SolidColorBrush(StringToColor("#01FFFFFF")); CursorIcon_Click(null, null); try { pptApplication.SlideShowWindows[1].SlideNavigation.Visible = true; } catch { } // 控制居中 if (!isFloatingBarFolded) { await Task.Delay(100); ViewboxFloatingBarMarginAnimation(60); } } private void BtnPPTSlideShow_Click(object sender, RoutedEventArgs e) { new Thread(new ThreadStart(() => { try { presentation.SlideShowSettings.Run(); } catch { } })).Start(); } private async void BtnPPTSlideShowEnd_Click(object sender, RoutedEventArgs e) { Application.Current.Dispatcher.Invoke(() => { try { var ms = new MemoryStream(); inkCanvas.Strokes.Save(ms); ms.Position = 0; memoryStreams[pptApplication.SlideShowWindows[1].View.CurrentShowPosition] = ms; timeMachine.ClearStrokeHistory(); } catch { // ignored } }); new Thread(new ThreadStart(() => { try { pptApplication.SlideShowWindows[1].View.Exit(); } catch { // ignored } })).Start(); HideSubPanels("cursor"); await Task.Delay(150); ViewboxFloatingBarMarginAnimation(100, true); } private void GridPPTControlPrevious_MouseUp(object sender, MouseButtonEventArgs e) { if (lastBorderMouseDownObject != sender) return; BtnPPTSlidesUp_Click(BtnPPTSlidesUp, null); } private void GridPPTControlNext_MouseUp(object sender, MouseButtonEventArgs e) { if (lastBorderMouseDownObject != sender) return; BtnPPTSlidesDown_Click(BtnPPTSlidesDown, null); } private void ImagePPTControlEnd_MouseUp(object sender, MouseButtonEventArgs e) { BtnPPTSlideShowEnd_Click(BtnPPTSlideShowEnd, null); } } }