Page.OnNavigatingFrom(NavigatingFromEventArgs) 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，允许应用程序开发人员在离开页面之前立即自定义行为。

protected:
 virtual void OnNavigatingFrom(Microsoft::Maui::Controls::NavigatingFromEventArgs ^ args);

protected virtual void OnNavigatingFrom (Microsoft.Maui.Controls.NavigatingFromEventArgs args);

abstract member OnNavigatingFrom : Microsoft.Maui.Controls.NavigatingFromEventArgs -> unit
override this.OnNavigatingFrom : Microsoft.Maui.Controls.NavigatingFromEventArgs -> unit

Protected Overridable Sub OnNavigatingFrom (args As NavigatingFromEventArgs)

参数

args

NavigatingFromEventArgs

事件自变量。