compdfkit(win) - 修复图片替换未更新缩略图

Demo/Examples/Compdfkit_Tools/Edit/PDFImageEdit/PDFImageEditControl/PDFImageEditControl.xaml.cs

@@ -137,7 +137,8 @@ namespace Compdfkit_Tools.Edit
                 {
                     EditEvent.ReplaceImagePath = openFileDialog.FileName;
                     EditEvent.UpdatePDFEditByEventArgs();
-                    EditEvent = null;
+                    // EditEvent = null;
+                    SetImageThumb();
                 }
             }
         }