WindowHelperService.RegisterWindowMessageHandler(WindowMessage) 方法

定义

命名空间:

System.Activities.Presentation.Hosting

程序集:

System.Activities.Presentation.dll

为事件通知注册指定的委托。

public:
 bool RegisterWindowMessageHandler(System::Activities::Presentation::Hosting::WindowMessage ^ callback);

public bool RegisterWindowMessageHandler (System.Activities.Presentation.Hosting.WindowMessage callback);

member this.RegisterWindowMessageHandler : System.Activities.Presentation.Hosting.WindowMessage -> bool

Public Function RegisterWindowMessageHandler (callback As WindowMessage) As Boolean

参数

callback

WindowMessage

要为事件通知注册的委托。

返回

Boolean

如果操作成功，则为 true；否则为 false。

例外

ArgumentException

callback 为 null。