DesignSurfaceManager.ActiveDesignSurfaceChanged 事件
定义
重要
一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。 对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。
在当前处于活动状态的设计器更改时发生。
public:
event System::ComponentModel::Design::ActiveDesignSurfaceChangedEventHandler ^ ActiveDesignSurfaceChanged;public event System.ComponentModel.Design.ActiveDesignSurfaceChangedEventHandler ActiveDesignSurfaceChanged;public event System.ComponentModel.Design.ActiveDesignSurfaceChangedEventHandler? ActiveDesignSurfaceChanged;member this.ActiveDesignSurfaceChanged : System.ComponentModel.Design.ActiveDesignSurfaceChangedEventHandler Public Custom Event ActiveDesignSurfaceChanged As ActiveDesignSurfaceChangedEventHandler 