bug - 删除图章操作时会选中该图章

Demo/Examples/Compdfkit_Tools/Annotation/PDFAnnotationPanel/PDFAnnotationControl/CPDFAnnotationControl.xaml.cs

@@ -227,6 +227,8 @@ namespace Compdfkit_Tools.PDFControl
             if (pdfAnnotationData == null)
             {
                 pdfViewerControl.SetToolType(ToolType.Pan);
+                pdfViewerControl.SetIsShowStampMouse(false);
+                pdfViewerControl.SetIsVisibleCustomMouse(false);
                 return;
             }