WebView.NavigationStarting Event

Reference

Definition

Namespace:: Windows.UI.Xaml.Controls

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.

Edit

Occurs before the WebView navigates to new content.

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

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

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

public event TypedEventHandler<WebView,WebViewNavigationStartingEventArgs> NavigationStarting;

function onNavigationStarting(eventArgs) { /* Your code */ }
webView.addEventListener("navigationstarting", onNavigationStarting);
webView.removeEventListener("navigationstarting", onNavigationStarting);
- or -
webView.onnavigationstarting = onNavigationStarting;

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

<WebView NavigationStarting="eventhandler" />

Event Type

TypedEventHandler<WebView,WebViewNavigationStartingEventArgs>

Examples

The following code example demonstrates how to handle this event to update a text box used as an address bar. For the complete example, see the XAML WebView control sample.

void webViewA_NavigationStarting(WebView sender, WebViewNavigationStartingEventArgs args)
{
    string url = "";
    try { url = args.Uri.ToString(); }
    finally
    {
        address.Text = url;
        appendLog(String.Format("Starting navigation to: \"{0}\".\n", url));
        pageIsLoading = true;
    }
}

Remarks

You can cancel navigation in a handler for this event by setting the WebViewNavigationStartingEventArgs.Cancel property to true.

WebView navigation events occur in the following order:

Similar events occur in the same order for each iframe in the WebView content:

Applies to