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improve:PPT联动

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CJKmkp
2026-01-19 21:02:24 +08:00
parent 48bf15457d
commit 4f8c7d66e1
2 changed files with 404 additions and 19 deletions
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Ink Canvas/Windows/PPTQuickPanel.xaml.cs
+166 -9
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@@ -1389,23 +1389,104 @@ namespace Ink_Canvas.Windows
if (pptManager != null)
{
// 获取当前演示文稿
var getCurrentActivePresentationMethod = pptManager.GetType().GetMethod("GetCurrentActivePresentation");
var presentation = getCurrentActivePresentationMethod?.Invoke(pptManager, null) as Microsoft.Office.Interop.PowerPoint.Presentation;
// 尝试获取当前演示文稿，使用重试机制
Microsoft.Office.Interop.PowerPoint.Presentation presentation = null;
// 首先尝试使用 CurrentPresentation 属性（可能是缓存的）
try
{
var currentPresentationProperty = pptManager.GetType().GetProperty("CurrentPresentation",
System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance);
presentation = currentPresentationProperty?.GetValue(pptManager) as Microsoft.Office.Interop.PowerPoint.Presentation;
}
catch { }
// 如果 CurrentPresentation 不可用，尝试 GetCurrentActivePresentation
if (presentation == null)
{
try
{
var getCurrentActivePresentationMethod = pptManager.GetType().GetMethod("GetCurrentActivePresentation");
presentation = getCurrentActivePresentationMethod?.Invoke(pptManager, null) as Microsoft.Office.Interop.PowerPoint.Presentation;
}
catch { }
}
if (presentation != null)
{
// 生成演示文稿ID（与PPTInkManager一致）
string presentationId = GeneratePresentationId(presentation);
return Path.Combine(autoSaveLocation, "Auto Saved - Presentations", presentationId);
try
{
// 立即检查COM对象是否仍然有效
if (!System.Runtime.InteropServices.Marshal.IsComObject(presentation))
{
return null;
}
// 尝试访问对象以验证其有效性
try
{
var _ = System.Runtime.InteropServices.Marshal.GetIUnknownForObject(presentation);
System.Runtime.InteropServices.Marshal.Release(_);
}
catch (System.Runtime.InteropServices.InvalidComObjectException)
{
// COM对象已失效，静默返回
return null;
}
// 立即生成演示文稿ID（在对象失效前）
string presentationId = GeneratePresentationId(presentation);
if (string.IsNullOrEmpty(presentationId) || presentationId.StartsWith("unknown_") || presentationId.StartsWith("invalid_") || presentationId.StartsWith("com_error_"))
{
// 生成ID失败，返回null而不是抛出异常
return null;
}
return Path.Combine(autoSaveLocation, "Auto Saved - Presentations", presentationId);
}
catch (System.Runtime.InteropServices.InvalidComObjectException)
{
// COM对象已失效，静默返回（不记录错误日志）
return null;
}
catch (System.Runtime.InteropServices.COMException)
{
// COM异常，对象可能已失效，静默返回（不记录错误日志）
return null;
}
catch (Exception ex)
{
// 其他异常，只记录非COM相关异常
if (!(ex is System.Runtime.InteropServices.InvalidComObjectException) &&
!(ex is System.Runtime.InteropServices.COMException))
{
LogHelper.WriteLogToFile($"获取PPT文件夹路径时发生非COM异常: {ex.Message}", LogHelper.LogType.Warning);
}
return null;
}
}
}
}
}
}
catch (System.Runtime.InteropServices.InvalidComObjectException)
{
// COM对象已失效，静默返回（不记录错误日志）
return null;
}
catch (System.Runtime.InteropServices.COMException)
{
// COM异常，对象可能已失效，静默返回（不记录错误日志）
return null;
}
catch (Exception ex)
{
LogHelper.WriteLogToFile($"获取PPT文件夹路径失败: {ex.Message}", LogHelper.LogType.Error);
// 只记录非COM相关异常
if (!(ex is System.Runtime.InteropServices.InvalidComObjectException) &&
!(ex is System.Runtime.InteropServices.COMException))
{
LogHelper.WriteLogToFile($"获取PPT文件夹路径失败: {ex.Message}", LogHelper.LogType.Error);
}
}
return null;
@@ -1416,11 +1497,87 @@ namespace Ink_Canvas.Windows
/// </summary>
private string GeneratePresentationId(Microsoft.Office.Interop.PowerPoint.Presentation presentation)
{
if (presentation == null)
{
return $"unknown_{DateTime.Now.Ticks}";
}
try
{
var presentationPath = presentation.FullName;
// 检查COM对象是否仍然有效
if (!System.Runtime.InteropServices.Marshal.IsComObject(presentation))
{
return $"unknown_{DateTime.Now.Ticks}";
}
// 验证COM对象有效性
try
{
var _ = System.Runtime.InteropServices.Marshal.GetIUnknownForObject(presentation);
System.Runtime.InteropServices.Marshal.Release(_);
}
catch (System.Runtime.InteropServices.InvalidComObjectException)
{
// COM对象已失效
return $"unknown_{DateTime.Now.Ticks}";
}
// 逐个访问属性，每个都进行异常处理
string presentationName = null;
string presentationPath = null;
int slidesCount = 0;
try
{
presentationName = presentation.Name;
}
catch (System.Runtime.InteropServices.InvalidComObjectException)
{
return $"unknown_{DateTime.Now.Ticks}";
}
catch (System.Runtime.InteropServices.COMException)
{
return $"unknown_{DateTime.Now.Ticks}";
}
try
{
presentationPath = presentation.FullName;
}
catch (System.Runtime.InteropServices.InvalidComObjectException)
{
return $"unknown_{DateTime.Now.Ticks}";
}
catch (System.Runtime.InteropServices.COMException)
{
return $"unknown_{DateTime.Now.Ticks}";
}
try
{
slidesCount = presentation.Slides.Count;
}
catch (System.Runtime.InteropServices.InvalidComObjectException)
{
return $"unknown_{DateTime.Now.Ticks}";
}
catch (System.Runtime.InteropServices.COMException)
{
return $"unknown_{DateTime.Now.Ticks}";
}
var fileHash = GetFileHash(presentationPath);
return $"{presentation.Name}_{presentation.Slides.Count}_{fileHash}";
return $"{presentationName}_{slidesCount}_{fileHash}";
}
catch (System.Runtime.InteropServices.InvalidComObjectException)
{
// COM对象已失效
return $"unknown_{DateTime.Now.Ticks}";
}
catch (System.Runtime.InteropServices.COMException)
{
// COM异常，对象可能已失效
return $"unknown_{DateTime.Now.Ticks}";
}
catch (Exception ex)
{