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NavigationService.CanGoBack Property

Gets whether there is at least one entry in back navigation history.

Namespace: System.Windows.Navigation
Assembly: PresentationFramework (in presentationframework.dll)
XML Namespace:  http://schemas.microsoft.com/winfx/2006/xaml/presentation

public bool CanGoBack { get; }
/** @property */
public boolean get_CanGoBack ()

public function get CanGoBack () : boolean

You cannot use this property in XAML.

Property Value

A Boolean that is true if there is at least one entry in back navigation history, or false otherwise.

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.

NoteNote:

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.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0
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