IWebViewControl.FrameNavigationStarting 事件

定义

命名空间:

Windows.Web.UI

在 IWebViewControl 中的框架导航到新内容之前发生。

// Register
event_token FrameNavigationStarting(TypedEventHandler<IWebViewControl, WebViewControlNavigationStartingEventArgs const&> const& handler) const;

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

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

event TypedEventHandler<IWebViewControl,WebViewControlNavigationStartingEventArgs> FrameNavigationStarting;

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

Event FrameNavigationStarting As TypedEventHandler(Of IWebViewControl, WebViewControlNavigationStartingEventArgs) 

事件类型

TypedEventHandler<IWebViewControl,WebViewControlNavigationStartingEventArgs>

注解

WebView 导航事件按以下顺序发生：

• NavigationStarting
• ContentLoading
• DOMContentLoaded
• NavigationCompleted

对于 WebView 内容中的每个 iframe，类似事件按相同的顺序发生：

• FrameNavigationStarting
• FrameContentLoading
• FrameDOMContentLoaded
• FrameNavigationCompleted