protected virtual void OnBeforeDoubleClickTreeNode(MdiMainFunctionTreeEventArgs arg)
 {
     if (_BeforeDoubleClickTreeNode != null)
     {
         _BeforeDoubleClickTreeNode(this, arg);
     }
 }
 protected virtual void OnAfterCreateModuleNode(MdiMainFunctionTreeEventArgs arg)
 {
     if (_AfterCreateModuleNode != null)
     {
         _AfterCreateModuleNode(this, arg);
     }
 }