Merge pull request #213 in DESIGN/design from ~KERRY/design_10.0:release/10.0 to release/10.0

* commit '5eb3eec0385722455a322f1ec1cad6af12b6f714':
  REPORT-9582 【阻塞】【10.0二轮回归】设计器菜单栏-服务器-控件管理添加预定义控件异常

designer-realize/src/main/java/com/fr/design/widget/WidgetEventPane.java

@@ -34,13 +34,16 @@ import com.fr.stable.Nameable;
 import javax.swing.*;
 
 public class WidgetEventPane extends ObjectUIControlPane {
+    private static final Selection NO_SELECTION = new CellSelection(-1, -1, -1, -1);
 
-    private Selection selection;
+    private Selection selection = NO_SELECTION;
 
     public WidgetEventPane(ElementCasePane pane) {
         super(pane);
         this.setNameListEditable(false);
-        selection = pane.getSelection();
+        if(pane != null){
+            selection = pane.getSelection();
+        }
         setBorder(BorderFactory.createEmptyBorder(10, 0, 15, 0));
     }