WebView.UnviewableContentIdentified Event
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
// Register
event_token UnviewableContentIdentified(TypedEventHandler<WebView, WebViewUnviewableContentIdentifiedEventArgs const&> const& handler) const;
// Revoke with event_token
void UnviewableContentIdentified(event_token const* cookie) const;
// Revoke with event_revoker
WebView::UnviewableContentIdentified_revoker UnviewableContentIdentified(auto_revoke_t, TypedEventHandler<WebView, WebViewUnviewableContentIdentifiedEventArgs const&> const& handler) const;
public event TypedEventHandler<WebView,WebViewUnviewableContentIdentifiedEventArgs> UnviewableContentIdentified;
function onUnviewableContentIdentified(eventArgs) { /* Your code */ }
webView.addEventListener("unviewablecontentidentified", onUnviewableContentIdentified);
webView.removeEventListener("unviewablecontentidentified", onUnviewableContentIdentified);
- or -
webView.onunviewablecontentidentified = onUnviewableContentIdentified;
Public Custom Event UnviewableContentIdentified As TypedEventHandler(Of WebView, WebViewUnviewableContentIdentifiedEventArgs)
<WebView UnviewableContentIdentified="eventhandler" />
Event Type
Examples
The following code example demonstrates how to handle this event to launch an external browser when the WebView control cannot render the target content. For the complete example, see the XAML WebView control sample.
void webViewA_UnviewableContentIdentified(WebView sender,
WebViewUnviewableContentIdentifiedEventArgs args)
{
appendLog(String.Format("Content for \"{0}\" cannot be loaded into webview. " +
"Invoking the default launcher instead.\n", args.Uri.ToString()));
// We turn around and hand the Uri to the
// system launcher to launch the default handler for it.
Windows.Foundation.IAsyncOperation<bool> b =
Windows.System.Launcher.LaunchUriAsync(args.Uri);
pageIsLoading = false;
}
Remarks
The WebView control cannot host arbitrary file types, but you can handle this event and use the Launcher class to redirect the file to the browser or another app.
Applies to
See also
Geri Bildirim
https://aka.ms/ContentUserFeedback.
Çok yakında: 2024 boyunca, içerik için geri bildirim mekanizması olarak GitHub Sorunları’nı kullanımdan kaldıracak ve yeni bir geri bildirim sistemiyle değiştireceğiz. Daha fazla bilgi için bkz.Gönderin ve geri bildirimi görüntüleyin