AppWindow.CloseRequested 事件

定义

命名空间:

Windows.UI.WindowManagement

在窗口开始关闭之后、关闭之前以及关闭事件之前发生。

// Register
event_token CloseRequested(TypedEventHandler<AppWindow, AppWindowCloseRequestedEventArgs const&> const& handler) const;

// Revoke with event_token
void CloseRequested(event_token const* cookie) const;

// Revoke with event_revoker
AppWindow::CloseRequested_revoker CloseRequested(auto_revoke_t, TypedEventHandler<AppWindow, AppWindowCloseRequestedEventArgs const&> const& handler) const;

public event TypedEventHandler<AppWindow,AppWindowCloseRequestedEventArgs> CloseRequested;

function onCloseRequested(eventArgs) { /* Your code */ }
appWindow.addEventListener("closerequested", onCloseRequested);
appWindow.removeEventListener("closerequested", onCloseRequested);
- or -
appWindow.oncloserequested = onCloseRequested;

Public Custom Event CloseRequested As TypedEventHandler(Of AppWindow, AppWindowCloseRequestedEventArgs) 

事件类型

TypedEventHandler<AppWindow,AppWindowCloseRequestedEventArgs>

注解

重要

仅当应用具有应用关闭确认受限功能 () <rescap:Capability Name="confirmAppClose"/> 时，才会发生此事件，因此它不适用于大多数应用。 有关详细信息，请参阅 应用功能声明 - 受限功能。

另请参阅

• Closed
• 应用功能声明