Element.OnHandlerChanging(HandlerChangingEventArgs) 方法

定义

命名空间:

Microsoft.Maui.Controls

程序集:

Microsoft.Maui.Controls.dll

在派生类中重写时，应引发 HandlerChanging 事件。

protected:
 virtual void OnHandlerChanging(Microsoft::Maui::Controls::HandlerChangingEventArgs ^ args);

protected virtual void OnHandlerChanging (Microsoft.Maui.Controls.HandlerChangingEventArgs args);

abstract member OnHandlerChanging : Microsoft.Maui.Controls.HandlerChangingEventArgs -> unit
override this.OnHandlerChanging : Microsoft.Maui.Controls.HandlerChangingEventArgs -> unit

Protected Overridable Sub OnHandlerChanging (args As HandlerChangingEventArgs)

参数

args

HandlerChangingEventArgs

为 HandlerChanging 事件提供数据。

注解

实施者负责引发 HandlerChanging 事件。