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improve:PPT联动

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This commit is contained in:
CJKmkp
2026-01-17 18:55:44 +08:00
parent a46f8b36a0
commit b83facb14e
1 changed files with 100 additions and 20 deletions
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Ink Canvas/Helpers/PPTManager.cs
+100 -20
View File
@@ -291,13 +291,18 @@ namespace Ink_Canvas.Helpers
}
return null;
}
catch (COMException)
catch (COMException ex)
{
var hr = (uint)ex.HResult;
if (hr == 0x800401E3 || hr == 0x800401F3 || hr == 0x800401E4)
{
return TryConnectToPowerPointViaROT();
}
return null;
}
catch (InvalidCastException)
{
return null;
return TryConnectToPowerPointViaROT();
}
catch (Exception)
{
@@ -305,6 +310,20 @@ namespace Ink_Canvas.Helpers
}
}
private Microsoft.Office.Interop.PowerPoint.Application TryConnectToPowerPointViaROT()
{
try
{
var pptApp = PPTROTConnectionHelper.TryConnectViaROT(IsSupportWPS);
return pptApp;
}
catch (Exception ex)
{
LogHelper.WriteLogToFile($"ROT 备用方法连接异常: {ex}", LogHelper.LogType.Error);
return null;
}
}
private Microsoft.Office.Interop.PowerPoint.Application TryConnectToWPS()
{
try
@@ -318,13 +337,24 @@ namespace Ink_Canvas.Helpers
}
return null;
}
catch (COMException)
catch (COMException ex)
{
var hr = (uint)ex.HResult;
if (hr == 0x800401E3 || hr == 0x800401F3 || hr == 0x800401E4)
{
// WPS COM注册损坏，尝试使用ROT备用方法
return TryConnectToWPSViaROT();
}
if (hr != 0x80004005 && hr != 0x800706B5 && hr != 0x8001010E)
{
LogHelper.WriteLogToFile($"连接WPS失败: {ex}", LogHelper.LogType.Warning);
}
return null;
}
catch (InvalidCastException)
{
return null;
// WPS COM对象类型转换失败，尝试使用ROT备用方法
return TryConnectToWPSViaROT();
}
catch (Exception)
{
@@ -332,6 +362,20 @@ namespace Ink_Canvas.Helpers
}
}
private Microsoft.Office.Interop.PowerPoint.Application TryConnectToWPSViaROT()
{
try
{
var wpsApp = PPTROTConnectionHelper.TryConnectViaROT(true);
return wpsApp;
}
catch (Exception ex)
{
LogHelper.WriteLogToFile($"ROT 备用方法连接 WPS 异常: {ex}", LogHelper.LogType.Error);
return null;
}
}
private void ConnectToPPT(Microsoft.Office.Interop.PowerPoint.Application pptApp)
{
try
@@ -1058,35 +1102,55 @@ namespace Ink_Canvas.Helpers
/// </summary>
public Presentation GetCurrentActivePresentation()
{
object slideShowWindows = null;
object slideShowWindow = null;
object view = null;
object slide = null;
object activeWindow = null;
object presentation = null;
try
{
if (!IsConnected || PPTApplication == null) return null;
if (!Marshal.IsComObject(PPTApplication)) return null;
if (IsInSlideShow && PPTApplication.SlideShowWindows.Count > 0)
if (IsInSlideShow)
{
try
slideShowWindows = PPTApplication.SlideShowWindows;
if (slideShowWindows != null)
{
var slideShowWindow = PPTApplication.SlideShowWindows[1];
if (slideShowWindow?.View != null)
dynamic ssw = slideShowWindows;
if (ssw.Count > 0)
{
return (Presentation)slideShowWindow.View.Slide.Parent;
slideShowWindow = ssw[1];
if (slideShowWindow != null)
{
dynamic sswObj = slideShowWindow;
view = sswObj.View;
if (view != null)
{
dynamic viewObj = view;
slide = viewObj.Slide;
if (slide != null)
{
dynamic slideObj = slide;
presentation = slideObj.Parent;
return presentation as Presentation;
}
}
}
}
}
catch (COMException comEx)
{
var hr = (uint)comEx.HResult;
if (hr == 0x80048240)
{
return null;
}
throw;
}
}
if (PPTApplication.ActiveWindow?.Presentation != null)
activeWindow = PPTApplication.ActiveWindow;
if (activeWindow != null)
{
return PPTApplication.ActiveWindow.Presentation;
dynamic aw = activeWindow;
presentation = aw.Presentation;
if (presentation != null)
{
return presentation as Presentation;
}
}
return CurrentPresentation;
@@ -1098,6 +1162,10 @@ namespace Ink_Canvas.Helpers
{
DisconnectFromPPT();
}
if (hr == 0x80048240)
{
return null;
}
LogHelper.WriteLogToFile($"获取当前活跃演示文稿失败: {comEx.Message}", LogHelper.LogType.Warning);
return CurrentPresentation;
}
@@ -1106,6 +1174,18 @@ namespace Ink_Canvas.Helpers
LogHelper.WriteLogToFile($"获取当前活跃演示文稿失败: {ex}", LogHelper.LogType.Error);
return CurrentPresentation;
}
finally
{
if (presentation != null && !ReferenceEquals(presentation, CurrentPresentation))
{
SafeReleaseComObject(presentation);
}
SafeReleaseComObject(slide);
SafeReleaseComObject(view);
SafeReleaseComObject(slideShowWindow);
SafeReleaseComObject(slideShowWindows);
SafeReleaseComObject(activeWindow);
}
}
/// <summary>