From c73a5c3a7e9786d60410b552016d237840cb469a Mon Sep 17 00:00:00 2001 From: unknown <2564608840@qq.com> Date: Sun, 20 Jul 2025 16:14:26 +0800 Subject: [PATCH] =?UTF-8?q?fix:=E7=BF=BB=E9=A1=B5=E6=8E=A7=E4=BB=B6?= =?UTF-8?q?=E5=B4=A9=E6=BA=83?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Ink Canvas/MainWindow_cs/MW_PPT.cs | 495 +++++++++++++++++++++-------- 1 file changed, 370 insertions(+), 125 deletions(-) diff --git a/Ink Canvas/MainWindow_cs/MW_PPT.cs b/Ink Canvas/MainWindow_cs/MW_PPT.cs index 52cb1f4a..0c7c852d 100644 --- a/Ink Canvas/MainWindow_cs/MW_PPT.cs +++ b/Ink Canvas/MainWindow_cs/MW_PPT.cs @@ -65,7 +65,15 @@ namespace Ink_Canvas { } 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; + try { + if (pptApplication.SlideShowWindows != null && pptApplication.SlideShowWindows.Count >= 1) + { + slide = pptApplication.SlideShowWindows[1].View.Slide; + } + } + catch (Exception ex) { + LogHelper.WriteLogToFile($"获取当前幻灯片失败: {ex.ToString()}", LogHelper.LogType.Error); + } } } @@ -73,7 +81,8 @@ namespace Ink_Canvas { //BtnCheckPPT.Visibility = Visibility.Collapsed; StackPanelPPTControls.Visibility = Visibility.Visible; } - catch { + catch (Exception ex) { + LogHelper.WriteLogToFile($"检查PPT应用程序失败: {ex.ToString()}", LogHelper.LogType.Error); //BtnCheckPPT.Visibility = Visibility.Visible; StackPanelPPTControls.Visibility = Visibility.Collapsed; LeftBottomPanelForPPTNavigation.Visibility = Visibility.Collapsed; @@ -130,7 +139,15 @@ namespace Ink_Canvas { } 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; + try { + if (pptApplication.SlideShowWindows != null && pptApplication.SlideShowWindows.Count >= 1) + { + slide = pptApplication.SlideShowWindows[1].View.Slide; + } + } + catch (Exception ex) { + LogHelper.WriteLogToFile($"获取当前幻灯片失败: {ex.ToString()}", LogHelper.LogType.Error); + } } pptApplication.PresentationOpen += PptApplication_PresentationOpen; @@ -147,10 +164,18 @@ namespace Ink_Canvas { PptApplication_PresentationOpen(null); //如果检测到已经开始放映，则立即进入画板模式 - if (pptApplication.SlideShowWindows.Count >= 1) - PptApplication_SlideShowBegin(pptApplication.SlideShowWindows[1]); + if (pptApplication.SlideShowWindows != null && pptApplication.SlideShowWindows.Count >= 1) + { + try { + PptApplication_SlideShowBegin(pptApplication.SlideShowWindows[1]); + } + catch (Exception ex) { + LogHelper.WriteLogToFile($"启动幻灯片放映失败: {ex.ToString()}", LogHelper.LogType.Error); + } + } } - catch { + catch (Exception ex) { + LogHelper.WriteLogToFile($"检查PPT状态失败: {ex.ToString()}", LogHelper.LogType.Error); //StackPanelPPTControls.Visibility = Visibility.Collapsed; Application.Current.Dispatcher.Invoke(() => { BtnPPTSlideShow.Visibility = Visibility.Collapsed; }); timerCheckPPT.Start(); @@ -161,82 +186,143 @@ namespace Ink_Canvas { // 跳转到上次播放页 if (Settings.PowerPointSettings.IsNotifyPreviousPage) Application.Current.Dispatcher.BeginInvoke(new Action(() => { - var folderPath = Settings.Automation.AutoSavedStrokesLocation + - @"\Auto Saved - Presentations\" + presentation.Name + "_" + - presentation.Slides.Count; try { - if (!File.Exists(folderPath + "/Position")) return; - if (!int.TryParse(File.ReadAllText(folderPath + "/Position"), out var page)) return; - if (page <= 0) return; - new YesOrNoNotificationWindow($"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(); + // 添加安全检查 + if (presentation == null) + { + LogHelper.WriteLogToFile("演示文稿为空，无法跳转到上次播放页", LogHelper.LogType.Warning); + return; + } + + 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($"上次播放到了第 {page} 页, 是否立即跳转", () => { + try { + if (pptApplication != null && pptApplication.SlideShowWindows != null && pptApplication.SlideShowWindows.Count >= 1) + // 如果已经播放了的话, 跳转 + presentation.SlideShowWindow.View.GotoSlide(page); + else if (presentation.Windows != null && presentation.Windows.Count >= 1) + presentation.Windows[1].View.GotoSlide(page); + } + catch (Exception ex) { + LogHelper.WriteLogToFile($"跳转到指定页面失败: {ex.ToString()}", LogHelper.LogType.Error); + } + }).ShowDialog(); + } + catch (Exception ex) { + LogHelper.WriteLogToFile($"读取上次播放位置失败: {ex.ToString()}", LogHelper.LogType.Error); + } } catch (Exception ex) { - LogHelper.WriteLogToFile(ex.ToString(), LogHelper.LogType.Error); + LogHelper.WriteLogToFile($"处理上次播放页跳转失败: {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; + try { + var isHaveHiddenSlide = false; + if (slides != null) + { + 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; - IsShowingRestoreHiddenSlidesWindow = false; - }, () => { IsShowingRestoreHiddenSlidesWindow = false; }, - () => { IsShowingRestoreHiddenSlidesWindow = false; }).ShowDialog(); - } + 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？", + () => { + try { + if (slides != null) + { + foreach (Slide slide in slides) + if (slide.SlideShowTransition.Hidden == + Microsoft.Office.Core.MsoTriState.msoTrue) + slide.SlideShowTransition.Hidden = + Microsoft.Office.Core.MsoTriState.msoFalse; + } + } + catch (Exception ex) { + LogHelper.WriteLogToFile($"取消隐藏幻灯片失败: {ex.ToString()}", LogHelper.LogType.Error); + } + finally { + IsShowingRestoreHiddenSlidesWindow = false; + } + }, () => { IsShowingRestoreHiddenSlidesWindow = false; }, + () => { IsShowingRestoreHiddenSlidesWindow = false; }).ShowDialog(); + } - BtnPPTSlideShow.Visibility = Visibility.Visible; - }), DispatcherPriority.Normal); + BtnPPTSlideShow.Visibility = Visibility.Visible; + }), DispatcherPriority.Normal); + } + catch (Exception ex) { + LogHelper.WriteLogToFile($"检查隐藏幻灯片失败: {ex.ToString()}", LogHelper.LogType.Error); + } } //检测是否有自动播放 if (Settings.PowerPointSettings.IsNotifyAutoPlayPresentation // && presentation.SlideShowSettings.AdvanceMode == PpSlideShowAdvanceMode.ppSlideShowUseSlideTimings && BtnPPTSlideShowEnd.Visibility != Visibility.Visible) { - bool hasSlideTimings = false; - foreach (Slide slide in presentation.Slides) { - if (slide.SlideShowTransition.AdvanceOnTime == MsoTriState.msoTrue && - slide.SlideShowTransition.AdvanceTime > 0) { - hasSlideTimings = true; - break; + try { + bool hasSlideTimings = false; + if (presentation != null && presentation.Slides != null) + { + foreach (Slide slide in presentation.Slides) { + if (slide.SlideShowTransition.AdvanceOnTime == MsoTriState.msoTrue && + slide.SlideShowTransition.AdvanceTime > 0) { + hasSlideTimings = true; + break; + } + } + } + + if (hasSlideTimings) { + Application.Current.Dispatcher.BeginInvoke((Action)(() => { + if (hasSlideTimings && !IsShowingAutoplaySlidesWindow) { + IsShowingAutoplaySlidesWindow = true; + new YesOrNoNotificationWindow("检测到此演示文档中自动播放或排练计时已经启用，可能导致幻灯片自动翻页，是否取消？", + () => { + try { + if (presentation != null) + { + presentation.SlideShowSettings.AdvanceMode = + PpSlideShowAdvanceMode.ppSlideShowManualAdvance; + } + } + catch (Exception ex) { + LogHelper.WriteLogToFile($"设置手动播放模式失败: {ex.ToString()}", LogHelper.LogType.Error); + } + finally { + IsShowingAutoplaySlidesWindow = false; + } + }, () => { IsShowingAutoplaySlidesWindow = false; }, + () => { IsShowingAutoplaySlidesWindow = false; }).ShowDialog(); + } + })); + try { + if (presentation != null) + { + presentation.SlideShowSettings.AdvanceMode = PpSlideShowAdvanceMode.ppSlideShowManualAdvance; + } + } + catch (Exception ex) { + LogHelper.WriteLogToFile($"设置演示文稿播放模式失败: {ex.ToString()}", LogHelper.LogType.Error); + } } } - - if (hasSlideTimings) { - Application.Current.Dispatcher.BeginInvoke((Action)(() => { - if (hasSlideTimings && !IsShowingAutoplaySlidesWindow) { - IsShowingAutoplaySlidesWindow = true; - new YesOrNoNotificationWindow("检测到此演示文档中自动播放或排练计时已经启用，可能导致幻灯片自动翻页，是否取消？", - () => { - presentation.SlideShowSettings.AdvanceMode = - PpSlideShowAdvanceMode.ppSlideShowManualAdvance; - IsShowingAutoplaySlidesWindow = false; - }, () => { IsShowingAutoplaySlidesWindow = false; }, - () => { IsShowingAutoplaySlidesWindow = false; }).ShowDialog(); - } - })); - presentation.SlideShowSettings.AdvanceMode = PpSlideShowAdvanceMode.ppSlideShowManualAdvance; + catch (Exception ex) { + LogHelper.WriteLogToFile($"检查自动播放设置失败: {ex.ToString()}", LogHelper.LogType.Error); } } } @@ -401,7 +487,7 @@ namespace Ink_Canvas { // 检查是否应该显示PPT按钮 bool shouldShowButtons = Settings.PowerPointSettings.ShowPPTButton && (BtnPPTSlideShowEnd.Visibility == Visibility.Visible || - (pptApplication != null && pptApplication.SlideShowWindows.Count > 0)); + (pptApplication != null && pptApplication.SlideShowWindows != null && pptApplication.SlideShowWindows.Count > 0)); if (!shouldShowButtons) { @@ -429,7 +515,7 @@ namespace Ink_Canvas { else RightSidePanelForPPTNavigation.Visibility = Visibility.Collapsed; } catch (Exception ex) { - LogHelper.WriteLogToFile(ex.ToString(), LogHelper.LogType.Error); + LogHelper.WriteLogToFile($"更新PPT按钮显示状态失败: {ex.ToString()}", LogHelper.LogType.Error); } } @@ -671,6 +757,13 @@ namespace Ink_Canvas { private void PptApplication_SlideShowNextSlide(SlideShowWindow Wn) { try { + // 添加安全检查 + if (Wn == null || Wn.View == null) + { + LogHelper.WriteLogToFile("幻灯片放映窗口或视图为空", LogHelper.LogType.Warning); + return; + } + LogHelper.WriteLogToFile($"PowerPoint Next Slide (Slide {Wn.View.CurrentShowPosition})", LogHelper.LogType.Event); if (Wn.View.CurrentShowPosition == previousSlideID) return; @@ -700,14 +793,14 @@ namespace Ink_Canvas { PPTBtnPageTotal.Text = $"/ {Wn.Presentation.Slides.Count}"; } catch (Exception ex) { - LogHelper.WriteLogToFile(ex.ToString(), LogHelper.LogType.Error); + LogHelper.WriteLogToFile($"处理幻灯片切换时出错: {ex.ToString()}", LogHelper.LogType.Error); } }); previousSlideID = Wn.View.CurrentShowPosition; } catch (Exception ex) { - LogHelper.WriteLogToFile(ex.ToString(), LogHelper.LogType.Error); + LogHelper.WriteLogToFile($"幻灯片切换事件处理失败: {ex.ToString()}", LogHelper.LogType.Error); } } @@ -724,30 +817,70 @@ namespace Ink_Canvas { _isPptClickingBtnTurned = true; - if (inkCanvas.Strokes.Count > Settings.Automation.MinimumAutomationStrokeNumber && - Settings.PowerPointSettings.IsAutoSaveScreenShotInPowerPoint) - SaveScreenShot(true, - pptApplication.SlideShowWindows[1].Presentation.Name + "/" + - pptApplication.SlideShowWindows[1].View.CurrentShowPosition); + // 添加安全检查 + if (pptApplication == null) + { + LogHelper.WriteLogToFile("PPT应用程序为空，无法执行上一页操作", LogHelper.LogType.Warning); + return; + } + + try + { + // 检查SlideShowWindows是否存在且有效 + if (pptApplication.SlideShowWindows == null || pptApplication.SlideShowWindows.Count == 0) + { + LogHelper.WriteLogToFile("PPT放映窗口不存在，无法执行上一页操作", LogHelper.LogType.Warning); + return; + } + + // 安全访问当前幻灯片信息 + if (pptApplication.SlideShowWindows.Count >= 1) + { + var slideShowWindow = pptApplication.SlideShowWindows[1]; + if (slideShowWindow != null && slideShowWindow.View != null) + { + if (inkCanvas.Strokes.Count > Settings.Automation.MinimumAutomationStrokeNumber && + Settings.PowerPointSettings.IsAutoSaveScreenShotInPowerPoint) + SaveScreenShot(true, + slideShowWindow.Presentation.Name + "/" + + slideShowWindow.View.CurrentShowPosition); + } + } - try { new Thread(new ThreadStart(() => { try { - pptApplication.SlideShowWindows[1].Activate(); + // 安全访问SlideShowWindows[1] + if (pptApplication.SlideShowWindows.Count >= 1) + { + var slideShowWindow = pptApplication.SlideShowWindows[1]; + if (slideShowWindow != null) + { + slideShowWindow.Activate(); + } + } } - catch { - // ignored + catch (Exception ex) { + LogHelper.WriteLogToFile($"激活PPT放映窗口失败: {ex.ToString()}", LogHelper.LogType.Error); } try { - pptApplication.SlideShowWindows[1].View.Previous(); + // 安全访问SlideShowWindows[1] + if (pptApplication.SlideShowWindows.Count >= 1) + { + var slideShowWindow = pptApplication.SlideShowWindows[1]; + if (slideShowWindow != null && slideShowWindow.View != null) + { + slideShowWindow.View.Previous(); + } + } } - catch { - // ignored + catch (Exception ex) { + LogHelper.WriteLogToFile($"PPT上一页操作失败: {ex.ToString()}", LogHelper.LogType.Error); } // Without this catch{}, app will crash when click the pre-page button in the fir page in some special env. })).Start(); } - catch { + catch (Exception ex) { + LogHelper.WriteLogToFile($"PPT上一页操作异常: {ex.ToString()}", LogHelper.LogType.Error); StackPanelPPTControls.Visibility = Visibility.Collapsed; LeftBottomPanelForPPTNavigation.Visibility = Visibility.Collapsed; RightBottomPanelForPPTNavigation.Visibility = Visibility.Collapsed; @@ -766,29 +899,71 @@ namespace Ink_Canvas { } _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 { + + // 添加安全检查 + if (pptApplication == null) + { + LogHelper.WriteLogToFile("PPT应用程序为空，无法执行下一页操作", LogHelper.LogType.Warning); + return; + } + + try + { + // 检查SlideShowWindows是否存在且有效 + if (pptApplication.SlideShowWindows == null || pptApplication.SlideShowWindows.Count == 0) + { + LogHelper.WriteLogToFile("PPT放映窗口不存在，无法执行下一页操作", LogHelper.LogType.Warning); + return; + } + + // 安全访问当前幻灯片信息 + if (pptApplication.SlideShowWindows.Count >= 1) + { + var slideShowWindow = pptApplication.SlideShowWindows[1]; + if (slideShowWindow != null && slideShowWindow.View != null) + { + if (inkCanvas.Strokes.Count > Settings.Automation.MinimumAutomationStrokeNumber && + Settings.PowerPointSettings.IsAutoSaveScreenShotInPowerPoint) + SaveScreenShot(true, + slideShowWindow.Presentation.Name + "/" + + slideShowWindow.View.CurrentShowPosition); + } + } + new Thread(new ThreadStart(() => { try { - pptApplication.SlideShowWindows[1].Activate(); + // 安全访问SlideShowWindows[1] + if (pptApplication.SlideShowWindows.Count >= 1) + { + var slideShowWindow = pptApplication.SlideShowWindows[1]; + if (slideShowWindow != null) + { + slideShowWindow.Activate(); + } + } } - catch { - // ignored + catch (Exception ex) { + LogHelper.WriteLogToFile($"激活PPT放映窗口失败: {ex.ToString()}", LogHelper.LogType.Error); } try { - pptApplication.SlideShowWindows[1].View.Next(); + // 安全访问SlideShowWindows[1] + if (pptApplication.SlideShowWindows.Count >= 1) + { + var slideShowWindow = pptApplication.SlideShowWindows[1]; + if (slideShowWindow != null && slideShowWindow.View != null) + { + slideShowWindow.View.Next(); + } + } } - catch { - // ignored + catch (Exception ex) { + LogHelper.WriteLogToFile($"PPT下一页操作失败: {ex.ToString()}", LogHelper.LogType.Error); } })).Start(); } - catch { + catch (Exception ex) { + LogHelper.WriteLogToFile($"PPT下一页操作异常: {ex.ToString()}", LogHelper.LogType.Error); StackPanelPPTControls.Visibility = Visibility.Collapsed; LeftBottomPanelForPPTNavigation.Visibility = Visibility.Collapsed; RightBottomPanelForPPTNavigation.Visibility = Visibility.Collapsed; @@ -862,18 +1037,50 @@ namespace Ink_Canvas { if (!Settings.PowerPointSettings.EnablePPTButtonPageClickable) return; - GridTransparencyFakeBackground.Opacity = 1; - GridTransparencyFakeBackground.Background = new SolidColorBrush(StringToColor("#01FFFFFF")); - CursorIcon_Click(null, null); - try { - pptApplication.SlideShowWindows[1].SlideNavigation.Visible = true; + // 添加安全检查 + if (pptApplication == null) + { + LogHelper.WriteLogToFile("PPT应用程序为空，无法执行翻页操作", LogHelper.LogType.Warning); + return; } - catch { } - // 控制居中 - if (!isFloatingBarFolded) { - await Task.Delay(100); - ViewboxFloatingBarMarginAnimation(60); + try + { + // 检查SlideShowWindows是否存在且有效 + if (pptApplication.SlideShowWindows == null || pptApplication.SlideShowWindows.Count == 0) + { + LogHelper.WriteLogToFile("PPT放映窗口不存在，无法执行翻页操作", LogHelper.LogType.Warning); + return; + } + + GridTransparencyFakeBackground.Opacity = 1; + GridTransparencyFakeBackground.Background = new SolidColorBrush(StringToColor("#01FFFFFF")); + CursorIcon_Click(null, null); + + try { + // 安全访问SlideShowWindows[1] + if (pptApplication.SlideShowWindows.Count >= 1) + { + var slideShowWindow = pptApplication.SlideShowWindows[1]; + if (slideShowWindow != null) + { + slideShowWindow.SlideNavigation.Visible = true; + } + } + } + catch (Exception ex) { + LogHelper.WriteLogToFile($"设置PPT导航可见性失败: {ex.ToString()}", LogHelper.LogType.Error); + } + + // 控制居中 + if (!isFloatingBarFolded) { + await Task.Delay(100); + ViewboxFloatingBarMarginAnimation(60); + } + } + catch (Exception ex) + { + LogHelper.WriteLogToFile($"PPT翻页控件操作失败: {ex.ToString()}", LogHelper.LogType.Error); } } @@ -887,30 +1094,68 @@ namespace Ink_Canvas { } private async void BtnPPTSlideShowEnd_Click(object sender, RoutedEventArgs e) { - Application.Current.Dispatcher.Invoke(() => { - try { - var ms = new MemoryStream(); - inkCanvas.Strokes.Save(ms); - ms.Position = 0; - memoryStreams[pptApplication.SlideShowWindows[1].View.CurrentShowPosition] = ms; - timeMachine.ClearStrokeHistory(); - } - catch { - // ignored - } - }); - new Thread(new ThreadStart(() => { - try { - pptApplication.SlideShowWindows[1].View.Exit(); - } - catch { - // ignored - } - })).Start(); + // 添加安全检查 + if (pptApplication == null) + { + LogHelper.WriteLogToFile("PPT应用程序为空，无法结束放映", LogHelper.LogType.Warning); + return; + } - HideSubPanels("cursor"); - await Task.Delay(150); - ViewboxFloatingBarMarginAnimation(100, true); + try + { + // 检查SlideShowWindows是否存在且有效 + if (pptApplication.SlideShowWindows == null || pptApplication.SlideShowWindows.Count == 0) + { + LogHelper.WriteLogToFile("PPT放映窗口不存在，无法结束放映", LogHelper.LogType.Warning); + return; + } + + Application.Current.Dispatcher.Invoke(() => { + try { + // 安全访问SlideShowWindows[1] + if (pptApplication.SlideShowWindows.Count >= 1) + { + var slideShowWindow = pptApplication.SlideShowWindows[1]; + if (slideShowWindow != null && slideShowWindow.View != null) + { + var ms = new MemoryStream(); + inkCanvas.Strokes.Save(ms); + ms.Position = 0; + memoryStreams[slideShowWindow.View.CurrentShowPosition] = ms; + timeMachine.ClearStrokeHistory(); + } + } + } + catch (Exception ex) { + LogHelper.WriteLogToFile($"保存当前页面墨迹失败: {ex.ToString()}", LogHelper.LogType.Error); + } + }); + + new Thread(new ThreadStart(() => { + try { + // 安全访问SlideShowWindows[1] + if (pptApplication.SlideShowWindows.Count >= 1) + { + var slideShowWindow = pptApplication.SlideShowWindows[1]; + if (slideShowWindow != null && slideShowWindow.View != null) + { + slideShowWindow.View.Exit(); + } + } + } + catch (Exception ex) { + LogHelper.WriteLogToFile($"退出PPT放映失败: {ex.ToString()}", LogHelper.LogType.Error); + } + })).Start(); + + HideSubPanels("cursor"); + await Task.Delay(150); + ViewboxFloatingBarMarginAnimation(100, true); + } + catch (Exception ex) + { + LogHelper.WriteLogToFile($"结束PPT放映操作异常: {ex.ToString()}", LogHelper.LogType.Error); + } } private void GridPPTControlPrevious_MouseDown(object sender, MouseButtonEventArgs e)