improve:PPT联动

2026-01-18 01:05:54 +08:00
parent 60c341927f
commit 6ce2aea000
2 changed files with 63 additions and 42 deletions
@@ -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)
                        {