NavigationService.CanGoBack Property

Definition

Gets a value that indicates whether there is at least one entry in back navigation history.

public:
 property bool CanGoBack { bool get(); };
public bool CanGoBack { get; }
member this.CanGoBack : bool
Public ReadOnly Property CanGoBack As Boolean

Property Value

Boolean

true if there is at least one entry in back navigation history; otherwise, false.

Remarks

CanGoBack to determine whether there is at least one entry in back navigation history. This property should be inspected before calling GoBack; if GoBack is called and there are no entries in back navigation history, an InvalidOperationException is thrown.

Note

that if navigation history is shared by multiple navigators (NavigationWindow, Frame), the most recent entry in back navigation history may not have been added by the NavigationService for the current navigator.

Applies to

See also