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WebUIApplication.LeavingBackground 事件

定義

當應用程式即將離開背景,並在顯示應用程式的 UI 之前發生。

public:
 static event LeavingBackgroundEventHandler ^ LeavingBackground;
// Register
static event_token LeavingBackground(LeavingBackgroundEventHandler const& handler) const;

// Revoke with event_token
static void LeavingBackground(event_token const* cookie) const;

// Revoke with event_revoker
static WebUIApplication::LeavingBackground_revoker LeavingBackground(auto_revoke_t, LeavingBackgroundEventHandler const& handler) const;
public static event LeavingBackgroundEventHandler LeavingBackground;
function onLeavingBackground(eventArgs) { /* Your code */ }
Windows.UI.WebUI.WebUIApplication.addEventListener("leavingbackground", onLeavingBackground);
Windows.UI.WebUI.WebUIApplication.removeEventListener("leavingbackground", onLeavingBackground);
- or -
Windows.UI.WebUI.WebUIApplication.onleavingbackground = onLeavingBackground;
Public Shared Custom Event LeavingBackground As LeavingBackgroundEventHandler 

事件類型

Windows 需求

裝置系列
Windows 10 Anniversary Edition (已於 10.0.14393.0 引進)
API contract
Windows.Foundation.UniversalApiContract (已於 v3.0 引進)

適用於