PDFAnnotation(windows) - 选中图片时清理属性面板

compdfkit_demo_windows/compdfkit/annotation-ctrl-demo/MainWindow.xaml.cs

@@ -125,7 +125,6 @@ namespace viewer_ctrl_demo
         {
                 PropertyContainer.Child = pdfAnnotationControl;
                 pdfAnnotationControl.SetAnnotEventData(e);
-  
         }
 
         private void PDFView_AnnotEditHandler(object sender, List<AnnotEditEvent> e)
@@ -703,6 +702,7 @@ namespace viewer_ctrl_demo
         {
             if(e==CPDFAnnotationType.Image)
             {
+                pdfAnnotationControl.ClearPanel();
                 pdfViewControl.PDFView?.SetMouseMode(MouseModes.PanTool);
                 StampAnnotArgs stampArgs = new StampAnnotArgs();
                 stampArgs.Opacity = 1;