To monitor what's going on in the main page, events such as NavigationStarting, NavigationCompleted, and Histor圜hanged enable the host app to navigate back and forth among frames or webpages. Similarly, a frame potentially navigates.Īfter the frame is created, the frame navigates as driven by your host app. The ContentLoading, DOMContentLoaded, and NavigationCompleted events are then raised. Usually the navigation happens immediately after the frame is created. As a simple use case, an iframe element's source attribute is a URL, such as, and the URL is loaded in an iframe. Navigation can potentially happen within a frame. When the frame navigates to the source URL, the following navigation events are raised: iframes use navigation and navigation events, such as FrameNavigationStarting and NavigationCompleted. ICoreWebView2Frame::Destroyed event (add, remove)Īfter a frame is created, the frame navigates to the frame's source URL.ICoreWebView2FrameCreatedEventArgs interface.ICoreWebView2_4::FrameCreated event (add, remove).CoreWebView2FrameCreatedEventArgs Class.Use the CoreWebView2Frame.IsDestroyed method to check whether the frame still exists. Frames get created and destroyed during each new webpage navigation. Your host app must monitor the lifetime of a frame by subscribing to the CoreWebView2Frame.Destroyed event, because when the frame is destroyed, your host app can no longer reference that frame. After your host app has obtained a frame object, use the frame object to monitor changes and interact with this specific frame. The FrameCreated event is raised whenever a new frame is created. To interact with frames in your host app, the first step is to subscribe to the FrameCreated event so that your host app obtains a frame object. Subscribe to the FrameCreated event to obtain a frame
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