WebView.FrameNavigationStarting 事件

定義

命名空間:

Windows.UI.Xaml.Controls

發生在 WebView 中的框架巡覽至新內容之前。

// Register
event_token FrameNavigationStarting(TypedEventHandler<WebView, WebViewNavigationStartingEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
WebView::FrameNavigationStarting_revoker FrameNavigationStarting(auto_revoke_t, TypedEventHandler<WebView, WebViewNavigationStartingEventArgs const&> const& handler) const;

public event TypedEventHandler<WebView,WebViewNavigationStartingEventArgs> FrameNavigationStarting;

function onFrameNavigationStarting(eventArgs) { /* Your code */ }
webView.addEventListener("framenavigationstarting", onFrameNavigationStarting);
webView.removeEventListener("framenavigationstarting", onFrameNavigationStarting);
- or -
webView.onframenavigationstarting = onFrameNavigationStarting;

Public Custom Event FrameNavigationStarting As TypedEventHandler(Of WebView, WebViewNavigationStartingEventArgs) 

<WebView FrameNavigationStarting="eventhandler"/>

事件類型

TypedEventHandler<WebView,WebViewNavigationStartingEventArgs>

備註

您可以將 WebViewNavigationStartingEventArgs.Cancel 屬性設定為 true，以取消此事件的處理常式導覽。

WebView 流覽事件會依下列順序發生：

• NavigationStarting
• ContentLoading
• DOMContentLoaded
• NavigationCompleted

WebView 內容中每個iframe的類似事件會以相同順序發生：

• FrameNavigationStarting
• FrameContentLoading
• FrameDOMContentLoaded
• FrameNavigationCompleted

另請參閱

• WebViewNavigationStartingEventArgs