共用方式為


SystemNavigationManager.BackRequested 事件

定義

發生于使用者叫用系統提供的按鈕、手勢或語音命令進行回溯流覽時。

// Register
event_token BackRequested(EventHandler<BackRequestedEventArgs> const& handler) const;

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

// Revoke with event_revoker
SystemNavigationManager::BackRequested_revoker BackRequested(auto_revoke_t, EventHandler<BackRequestedEventArgs> const& handler) const;
public event System.EventHandler<BackRequestedEventArgs> BackRequested;
function onBackRequested(eventArgs) { /* Your code */ }
systemNavigationManager.addEventListener("backrequested", onBackRequested);
systemNavigationManager.removeEventListener("backrequested", onBackRequested);
- or -
systemNavigationManager.onbackrequested = onBackRequested;
Public Custom Event BackRequested As EventHandler(Of BackRequestedEventArgs) 

事件類型

適用於