From 6ce2aea000fe57bad11f2f9d6ba63a97a6ae1e58 Mon Sep 17 00:00:00 2001 From: CJKmkp <2564608840@qq.com> Date: Sun, 18 Jan 2026 01:05:54 +0800 Subject: [PATCH] =?UTF-8?q?improve:PPT=E8=81=94=E5=8A=A8?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Ink Canvas/Helpers/PPTManager.cs | 97 +++++++++++--------- Ink Canvas/Helpers/PPTROTConnectionHelper.cs | 8 +- 2 files changed, 63 insertions(+), 42 deletions(-) diff --git a/Ink Canvas/Helpers/PPTManager.cs b/Ink Canvas/Helpers/PPTManager.cs index 43d4cafa..4cd2d599 100644 --- a/Ink Canvas/Helpers/PPTManager.cs +++ b/Ink Canvas/Helpers/PPTManager.cs @@ -30,9 +30,9 @@ namespace Ink_Canvas.Helpers #region Properties public object PPTApplication { get; private set; } - public Presentation CurrentPresentation { get; private set; } - public Slides CurrentSlides { get; private set; } - public Slide CurrentSlide { get; private set; } + public dynamic CurrentPresentation { get; private set; } + public dynamic CurrentSlides { get; private set; } + public dynamic CurrentSlide { get; private set; } public int SlidesCount { get; private set; } public bool IsConnected { @@ -593,33 +593,50 @@ namespace Ink_Canvas.Helpers try { - Microsoft.Office.Interop.PowerPoint.Application pptAppForEvents = PPTApplication as Microsoft.Office.Interop.PowerPoint.Application; - - if (pptAppForEvents != null) + if (PPTApplication != null) { - pptAppForEvents.SlideShowNextSlide += new EApplication_SlideShowNextSlideEventHandler(OnSlideShowNextSlide); - pptAppForEvents.SlideShowBegin += new EApplication_SlideShowBeginEventHandler(OnSlideShowBegin); - pptAppForEvents.SlideShowEnd += new EApplication_SlideShowEndEventHandler(OnSlideShowEnd); - try { - pptAppForEvents.PresentationBeforeClose += new EApplication_PresentationBeforeCloseEventHandler(OnPresentationBeforeClose); + Type appType = typeof(Microsoft.Office.Interop.PowerPoint.Application); + if (appType.IsInstanceOfType(PPTApplication)) + { + Microsoft.Office.Interop.PowerPoint.Application pptAppForEvents = (Microsoft.Office.Interop.PowerPoint.Application)PPTApplication; + pptAppForEvents.SlideShowNextSlide += new EApplication_SlideShowNextSlideEventHandler(OnSlideShowNextSlide); + pptAppForEvents.SlideShowBegin += new EApplication_SlideShowBeginEventHandler(OnSlideShowBegin); + pptAppForEvents.SlideShowEnd += new EApplication_SlideShowEndEventHandler(OnSlideShowEnd); + + try + { + pptAppForEvents.PresentationBeforeClose += new EApplication_PresentationBeforeCloseEventHandler(OnPresentationBeforeClose); + } + catch + { + LogHelper.WriteLogToFile("无法注册PresentationBeforeClose事件", LogHelper.LogType.Warning); + } + + _bindingEvents = true; + _forcePolling = false; + + LogHelper.WriteLogToFile("PPT事件注册成功", LogHelper.LogType.Trace); + } + else + { + _bindingEvents = false; + _forcePolling = true; + LogHelper.WriteLogToFile("无法转换为强类型Application，使用轮询模式", LogHelper.LogType.Trace); + } } - catch + catch (Exception ex) { - LogHelper.WriteLogToFile("无法注册PresentationBeforeClose事件", LogHelper.LogType.Warning); + _bindingEvents = false; + _forcePolling = true; + LogHelper.WriteLogToFile($"事件注册失败: {ex.Message}，使用轮询模式", LogHelper.LogType.Trace); } - - _bindingEvents = true; - _forcePolling = false; - - LogHelper.WriteLogToFile("PPT事件注册成功", LogHelper.LogType.Trace); } else { _bindingEvents = false; _forcePolling = true; - LogHelper.WriteLogToFile("无法转换为强类型Application，使用轮询模式", LogHelper.LogType.Trace); } } catch (Exception ex) @@ -670,10 +687,10 @@ namespace Ink_Canvas.Helpers { try { - Microsoft.Office.Interop.PowerPoint.Application app = PPTApplication as Microsoft.Office.Interop.PowerPoint.Application; - - if (app != null) + Type appType = typeof(Microsoft.Office.Interop.PowerPoint.Application); + if (appType.IsInstanceOfType(PPTApplication)) { + Microsoft.Office.Interop.PowerPoint.Application app = (Microsoft.Office.Interop.PowerPoint.Application)PPTApplication; app.SlideShowNextSlide -= new EApplication_SlideShowNextSlideEventHandler(OnSlideShowNextSlide); app.SlideShowBegin -= new EApplication_SlideShowBeginEventHandler(OnSlideShowBegin); app.SlideShowEnd -= new EApplication_SlideShowEndEventHandler(OnSlideShowEnd); @@ -835,22 +852,16 @@ namespace Ink_Canvas.Helpers if (_pptActivePresentation != null) { try - { - CurrentPresentation = _pptActivePresentation as Presentation; - if (CurrentPresentation != null) - { - CurrentSlides = CurrentPresentation.Slides; - } - else - { - dynamic pres = _pptActivePresentation; - CurrentSlides = pres.Slides as Slides; - } - } - catch { dynamic pres = _pptActivePresentation; - CurrentSlides = pres.Slides as Slides; + CurrentPresentation = pres; + CurrentSlides = pres.Slides; + } + catch (Exception ex) + { + LogHelper.WriteLogToFile($"访问演示文稿属性失败: {ex.Message}", LogHelper.LogType.Warning); + CurrentPresentation = null; + CurrentSlides = null; } if (CurrentSlides != null) @@ -886,10 +897,13 @@ namespace Ink_Canvas.Helpers if (view != null) { dynamic viewObj = view; - CurrentSlide = viewObj.Slide as Slide; + CurrentSlide = viewObj.Slide; } } - catch { } + catch (Exception ex) + { + LogHelper.WriteLogToFile($"获取SlideShowWindow的Slide失败: {ex.Message}", LogHelper.LogType.Trace); + } } else { @@ -1022,10 +1036,10 @@ namespace Ink_Canvas.Helpers { try { - Microsoft.Office.Interop.PowerPoint.Application app = PPTApplication as Microsoft.Office.Interop.PowerPoint.Application; - - if (app != null) + Type appType = typeof(Microsoft.Office.Interop.PowerPoint.Application); + if (appType.IsInstanceOfType(PPTApplication)) { + Microsoft.Office.Interop.PowerPoint.Application app = (Microsoft.Office.Interop.PowerPoint.Application)PPTApplication; app.SlideShowNextSlide -= new EApplication_SlideShowNextSlideEventHandler(OnSlideShowNextSlide); app.SlideShowBegin -= new EApplication_SlideShowBeginEventHandler(OnSlideShowBegin); app.SlideShowEnd -= new EApplication_SlideShowEndEventHandler(OnSlideShowEnd); @@ -2548,3 +2562,4 @@ namespace Ink_Canvas.Helpers } } + diff --git a/Ink Canvas/Helpers/PPTROTConnectionHelper.cs b/Ink Canvas/Helpers/PPTROTConnectionHelper.cs index 84c9c711..79fa21eb 100644 --- a/Ink Canvas/Helpers/PPTROTConnectionHelper.cs +++ b/Ink Canvas/Helpers/PPTROTConnectionHelper.cs @@ -69,7 +69,13 @@ namespace Ink_Canvas.Helpers { try { - Microsoft.Office.Interop.PowerPoint.Application pptApp = bestApp as Microsoft.Office.Interop.PowerPoint.Application; + Type appType = typeof(Microsoft.Office.Interop.PowerPoint.Application); + Microsoft.Office.Interop.PowerPoint.Application pptApp = null; + + if (appType.IsInstanceOfType(bestApp)) + { + pptApp = (Microsoft.Office.Interop.PowerPoint.Application)bestApp; + } if (pptApp != null) {