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improve:PPT翻页

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CJKmkp
2026-01-17 20:23:33 +08:00
parent 9c611698c7
commit de9056739b
1 changed files with 88 additions and 68 deletions
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Ink Canvas/Helpers/PPTManager.cs
+88 -68
View File
@@ -913,108 +913,128 @@ namespace Ink_Canvas.Helpers
public bool TryNavigateNext() public bool TryNavigateNext()
{ {
object slideShowWindows = null;
object slideShowWindow = null;
object view = null;
try try
{ {
if (!IsConnected || !IsInSlideShow || PPTApplication == null) return false; if (!IsConnected || !IsInSlideShow || PPTApplication == null) return false;
if (!Marshal.IsComObject(PPTApplication)) return false; if (!Marshal.IsComObject(PPTApplication)) return false;
slideShowWindows = PPTApplication.SlideShowWindows; // 在新线程中执行翻页操作，避免等待动画完成
if (slideShowWindows != null) new Thread(() =>
{ {
dynamic ssw = slideShowWindows; try
slideShowWindow = ssw[1];
if (slideShowWindow != null)
{ {
dynamic sswObj = slideShowWindow; object slideShowWindows = PPTApplication.SlideShowWindows;
sswObj.Activate(); if (slideShowWindows != null)
view = sswObj.View;
if (view != null)
{ {
dynamic viewObj = view; dynamic ssw = slideShowWindows;
viewObj.Next(); object slideShowWindow = ssw[1];
return true; if (slideShowWindow != null)
{
dynamic sswObj = slideShowWindow;
try
{
sswObj.Activate();
}
catch { }
try
{
object view = sswObj.View;
if (view != null)
{
dynamic viewObj = view;
viewObj.Next();
}
}
catch { }
SafeReleaseComObject(slideShowWindow);
}
SafeReleaseComObject(slideShowWindows);
} }
} }
} catch (COMException comEx)
return false; {
} var hr = (uint)comEx.HResult;
catch (COMException comEx) if (hr == 0x8001010E || hr == 0x80004005)
{ {
var hr = (uint)comEx.HResult; DisconnectFromPPT();
if (hr == 0x8001010E || hr == 0x80004005) }
{ LogHelper.WriteLogToFile($"切换到下一页失败: {comEx.Message}", LogHelper.LogType.Error);
DisconnectFromPPT(); }
} catch (Exception ex)
LogHelper.WriteLogToFile($"切换到下一页失败: {comEx.Message}", LogHelper.LogType.Error); {
return false; LogHelper.WriteLogToFile($"切换到下一页失败: {ex}", LogHelper.LogType.Error);
}
}).Start();
return true;
} }
catch (Exception ex) catch (Exception ex)
{ {
LogHelper.WriteLogToFile($"切换到下一页失败: {ex}", LogHelper.LogType.Error); LogHelper.WriteLogToFile($"启动下一页线程失败: {ex}", LogHelper.LogType.Error);
return false; return false;
} }
finally
{
SafeReleaseComObject(view);
SafeReleaseComObject(slideShowWindow);
SafeReleaseComObject(slideShowWindows);
}
} }
public bool TryNavigatePrevious() public bool TryNavigatePrevious()
{ {
object slideShowWindows = null;
object slideShowWindow = null;
object view = null;
try try
{ {
if (!IsConnected || !IsInSlideShow || PPTApplication == null) return false; if (!IsConnected || !IsInSlideShow || PPTApplication == null) return false;
if (!Marshal.IsComObject(PPTApplication)) return false; if (!Marshal.IsComObject(PPTApplication)) return false;
slideShowWindows = PPTApplication.SlideShowWindows; // 在新线程中执行翻页操作，避免等待动画完成
if (slideShowWindows != null) new Thread(() =>
{ {
dynamic ssw = slideShowWindows; try
slideShowWindow = ssw[1];
if (slideShowWindow != null)
{ {
dynamic sswObj = slideShowWindow; object slideShowWindows = PPTApplication.SlideShowWindows;
sswObj.Activate(); if (slideShowWindows != null)
view = sswObj.View;
if (view != null)
{ {
dynamic viewObj = view; dynamic ssw = slideShowWindows;
viewObj.Previous(); object slideShowWindow = ssw[1];
return true; if (slideShowWindow != null)
{
dynamic sswObj = slideShowWindow;
try
{
sswObj.Activate();
}
catch { }
try
{
object view = sswObj.View;
if (view != null)
{
dynamic viewObj = view;
viewObj.Previous();
}
}
catch { }
SafeReleaseComObject(slideShowWindow);
}
SafeReleaseComObject(slideShowWindows);
} }
} }
} catch (COMException comEx)
return false; {
} var hr = (uint)comEx.HResult;
catch (COMException comEx) if (hr == 0x8001010E || hr == 0x80004005)
{ {
var hr = (uint)comEx.HResult; DisconnectFromPPT();
if (hr == 0x8001010E || hr == 0x80004005) }
{ LogHelper.WriteLogToFile($"切换到上一页失败: {comEx.Message}", LogHelper.LogType.Error);
DisconnectFromPPT(); }
} catch (Exception ex)
LogHelper.WriteLogToFile($"切换到上一页失败: {comEx.Message}", LogHelper.LogType.Error); {
return false; LogHelper.WriteLogToFile($"切换到上一页失败: {ex}", LogHelper.LogType.Error);
}
}).Start();
return true;
} }
catch (Exception ex) catch (Exception ex)
{ {
LogHelper.WriteLogToFile($"切换到上一页失败: {ex}", LogHelper.LogType.Error); LogHelper.WriteLogToFile($"启动上一页线程失败: {ex}", LogHelper.LogType.Error);
return false; return false;
} }
finally
{
SafeReleaseComObject(view);
SafeReleaseComObject(slideShowWindow);
SafeReleaseComObject(slideShowWindows);
}
} }
public bool TryEndSlideShow() public bool TryEndSlideShow()