WebBrowser.Navigating Event  
Definition
Important
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Occurs just before navigation to a document.
public:
 event System::Windows::Navigation::NavigatingCancelEventHandler ^ Navigating;
	public event System.Windows.Navigation.NavigatingCancelEventHandler Navigating;
	member this.Navigating : System.Windows.Navigation.NavigatingCancelEventHandler 
	Public Custom Event Navigating As NavigatingCancelEventHandler 
	Public Event Navigating As NavigatingCancelEventHandler 
	Event Type
Remarks
Navigating event handlers are passed an instance of the NavigatingCancelEventArgs class. You can cancel the navigation by setting the Cancel property of the NavigatingCancelEventArgs object to true.
This event will only be fired for top-level navigations.