diff --git a/Ink Canvas/Helpers/PPTManager.cs b/Ink Canvas/Helpers/PPTManager.cs index 68e47cb9..db161a79 100644 --- a/Ink Canvas/Helpers/PPTManager.cs +++ b/Ink Canvas/Helpers/PPTManager.cs @@ -338,8 +338,61 @@ namespace Ink_Canvas.Helpers } }, DispatcherPriority.Normal, CancellationToken.None, TimeSpan.FromSeconds(2)); - // 获取当前演示文稿信息 - UpdateCurrentPresentationInfo(); + // 初始化当前演示文稿信息 + try + { + var pres = GetCurrentActivePresentation(); + if (pres != null && Marshal.IsComObject(pres)) + { + SafeReleaseComObject(CurrentPresentation, "CurrentPresentation"); + CurrentPresentation = pres; + + try + { + CurrentSlides = pres.Slides; + try + { + var slideCount = CurrentSlides.Count; + SlidesCount = slideCount > 0 ? slideCount : 0; + } + catch (COMException comEx) + { + var hr = (uint)comEx.HResult; + SlidesCount = 0; + if (!IsPptBusyHResult(hr) && hr != 0x8001010E && hr != 0x80004005 && hr != 0x80048240) + { + LogHelper.WriteLogToFile($"读取PPT页数失败: {comEx.Message} (HR: 0x{hr:X8})", LogHelper.LogType.Warning); + } + } + } + catch (COMException comEx) + { + var hr = (uint)comEx.HResult; + CurrentSlides = null; + SlidesCount = 0; + CurrentSlide = null; + if (!IsPptBusyHResult(hr) && hr != 0x8001010E && hr != 0x80004005 && hr != 0x80048240) + { + LogHelper.WriteLogToFile($"初始化演示文稿信息失败: {comEx.Message} (HR: 0x{hr:X8})", LogHelper.LogType.Warning); + } + } + } + else + { + CurrentPresentation = null; + CurrentSlides = null; + CurrentSlide = null; + SlidesCount = 0; + } + } + catch (Exception ex) + { + LogHelper.WriteLogToFile($"初始化演示文稿信息失败: {ex}", LogHelper.LogType.Warning); + CurrentPresentation = null; + CurrentSlides = null; + CurrentSlide = null; + SlidesCount = 0; + } // 触发连接成功事件 PPTConnectionChanged?.Invoke(true); @@ -536,135 +589,49 @@ namespace Ink_Canvas.Helpers LogHelper.WriteLogToFile($"释放COM对象 {objectName} 时发生异常: {ex}", LogHelper.LogType.Warning); } } + #endregion - private void UpdateCurrentPresentationInfo() + #region Event Handlers + private void OnPresentationOpen(Presentation pres) { - object activePresentation = null; - object slideShowWindows = null; - object slideShowWindow = null; - object activeWindow = null; - object view = null; - object selection = null; - object slideRange = null; - try { - if (PPTApplication != null && Marshal.IsComObject(PPTApplication)) + if (pres != null && Marshal.IsComObject(pres)) { + SafeReleaseComObject(CurrentPresentation, "CurrentPresentation"); + CurrentPresentation = pres; + try { - activePresentation = PPTApplication.ActivePresentation; - if (activePresentation != null) + CurrentSlides = pres.Slides; + try { - SafeReleaseComObject(CurrentPresentation, "CurrentPresentation"); - CurrentPresentation = activePresentation as Presentation; - CurrentSlides = CurrentPresentation.Slides; - - try + var slideCount = CurrentSlides.Count; + SlidesCount = slideCount > 0 ? slideCount : 0; + if (slideCount == 0) { - var slideCount = CurrentSlides.Count; - if (slideCount > 0) - { - SlidesCount = slideCount; - } - else - { - SlidesCount = 0; - LogHelper.WriteLogToFile("PPT演示文稿页数为0，可能为空演示文稿", LogHelper.LogType.Warning); - } - } - catch (COMException comEx) - { - var hr = (uint)comEx.HResult; - SlidesCount = 0; - LogHelper.WriteLogToFile($"读取PPT页数失败: {comEx.Message} (HR: 0x{hr:X8})", LogHelper.LogType.Warning); - } - - try - { - slideShowWindows = PPTApplication.SlideShowWindows; - if (IsInSlideShow && slideShowWindows != null) - { - dynamic ssw = slideShowWindows; - if (ssw.Count > 0) - { - slideShowWindow = ssw[1]; - if (slideShowWindow != null) - { - dynamic sswObj = slideShowWindow; - view = sswObj.View; - if (view != null) - { - dynamic viewObj = view; - CurrentSlide = viewObj.Slide as Slide; - } - } - } - } - else - { - activeWindow = PPTApplication.ActiveWindow; - if (activeWindow != null) - { - dynamic aw = activeWindow; - selection = aw.Selection; - if (selection != null) - { - dynamic sel = selection; - slideRange = sel.SlideRange; - if (slideRange != null) - { - dynamic sr = slideRange; - int slideNumber = sr.SlideNumber; - if (slideNumber > 0 && slideNumber <= SlidesCount) - { - CurrentSlide = CurrentSlides[slideNumber]; - } - } - } - } - - if (CurrentSlide == null && SlidesCount > 0) - { - CurrentSlide = CurrentSlides[1]; - } - } - } - catch (COMException comEx) - { - var hr = (uint)comEx.HResult; - if (hr != 0x8001010E && hr != 0x80004005) - { - LogHelper.WriteLogToFile($"获取当前幻灯片失败: {comEx.Message}", LogHelper.LogType.Warning); - } - - if (SlidesCount > 0) - { - CurrentSlide = CurrentSlides[1]; - } + LogHelper.WriteLogToFile("PPT演示文稿页数为0，可能为空演示文稿", LogHelper.LogType.Warning); } } - else + catch (COMException comEx) { - CurrentPresentation = null; - CurrentSlides = null; - CurrentSlide = null; + var hr = (uint)comEx.HResult; SlidesCount = 0; + if (!IsPptBusyHResult(hr) && hr != 0x8001010E && hr != 0x80004005 && hr != 0x80048240) + { + LogHelper.WriteLogToFile($"读取PPT页数失败: {comEx.Message} (HR: 0x{hr:X8})", LogHelper.LogType.Warning); + } } } catch (COMException comEx) { var hr = (uint)comEx.HResult; - if (hr == 0x8001010E || hr == 0x80004005) + CurrentSlides = null; + SlidesCount = 0; + CurrentSlide = null; + if (!IsPptBusyHResult(hr) && hr != 0x8001010E && hr != 0x80004005 && hr != 0x80048240) { - CurrentPresentation = null; - CurrentSlides = null; - CurrentSlide = null; - SlidesCount = 0; - } - else - { - LogHelper.WriteLogToFile($"访问活动演示文稿失败: {comEx}", LogHelper.LogType.Warning); + LogHelper.WriteLogToFile($"初始化演示文稿信息失败: {comEx.Message} (HR: 0x{hr:X8})", LogHelper.LogType.Warning); } } } @@ -675,37 +642,7 @@ namespace Ink_Canvas.Helpers CurrentSlide = null; SlidesCount = 0; } - } - catch (Exception ex) - { - LogHelper.WriteLogToFile($"更新演示文稿信息失败: {ex}", LogHelper.LogType.Error); - CurrentPresentation = null; - CurrentSlides = null; - CurrentSlide = null; - SlidesCount = 0; - } - finally - { - SafeReleaseComObject(slideRange); - SafeReleaseComObject(selection); - SafeReleaseComObject(view); - SafeReleaseComObject(slideShowWindow); - SafeReleaseComObject(activeWindow); - SafeReleaseComObject(slideShowWindows); - if (activePresentation != null && !ReferenceEquals(activePresentation, CurrentPresentation)) - { - SafeReleaseComObject(activePresentation); - } - } - } - #endregion - #region Event Handlers - private void OnPresentationOpen(Presentation pres) - { - try - { - UpdateCurrentPresentationInfo(); PresentationOpen?.Invoke(pres); LogHelper.WriteLogToFile($"演示文稿已打开: {pres?.Name}", LogHelper.LogType.Event); } @@ -734,7 +671,67 @@ namespace Ink_Canvas.Helpers _cachedIsInSlideShow = true; try { - UpdateCurrentPresentationInfo(); + try + { + if (wn != null) + { + dynamic w = wn; + var view = w.View; + if (view != null) + { + var slide = view.Slide as Slide; + if (slide != null) + { + CurrentSlide = slide; + + var pres = slide.Parent as Presentation; + if (pres != null && Marshal.IsComObject(pres)) + { + SafeReleaseComObject(CurrentPresentation, "CurrentPresentation"); + CurrentPresentation = pres; + + try + { + CurrentSlides = pres.Slides; + try + { + var slideCount = CurrentSlides.Count; + SlidesCount = slideCount > 0 ? slideCount : 0; + } + catch (COMException comEx) + { + var hr = (uint)comEx.HResult; + SlidesCount = 0; + if (!IsPptBusyHResult(hr) && hr != 0x8001010E && hr != 0x80004005 && hr != 0x80048240) + { + LogHelper.WriteLogToFile($"读取PPT页数失败: {comEx.Message} (HR: 0x{hr:X8})", LogHelper.LogType.Warning); + } + } + } + catch (COMException comEx) + { + var hr = (uint)comEx.HResult; + CurrentSlides = null; + SlidesCount = 0; + if (!IsPptBusyHResult(hr) && hr != 0x8001010E && hr != 0x80004005 && hr != 0x80048240) + { + LogHelper.WriteLogToFile($"初始化演示文稿信息失败: {comEx.Message} (HR: 0x{hr:X8})", LogHelper.LogType.Warning); + } + } + } + } + } + } + } + catch (COMException comEx) + { + var hr = (uint)comEx.HResult; + if (!IsPptBusyHResult(hr) && hr != 0x8001010E && hr != 0x80004005 && hr != 0x80048240) + { + LogHelper.WriteLogToFile($"更新放映开始时的演示文稿信息失败: {comEx.Message} (HR: 0x{hr:X8})", LogHelper.LogType.Warning); + } + } + SlideShowBegin?.Invoke(wn); } catch (Exception ex) @@ -747,7 +744,31 @@ namespace Ink_Canvas.Helpers { try { - UpdateCurrentPresentationInfo(); + try + { + if (wn != null) + { + dynamic w = wn; + var view = w.View; + if (view != null) + { + var slide = view.Slide as Slide; + if (slide != null) + { + CurrentSlide = slide; + } + } + } + } + catch (COMException comEx) + { + var hr = (uint)comEx.HResult; + if (!IsPptBusyHResult(hr) && hr != 0x8001010E && hr != 0x80004005 && hr != 0x80048240) + { + LogHelper.WriteLogToFile($"更新当前幻灯片失败: {comEx.Message} (HR: 0x{hr:X8})", LogHelper.LogType.Warning); + } + } + SlideShowNextSlide?.Invoke(wn); } catch (Exception ex)