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 End-User Documentation
View this topic on docs.devexpress.com (Learn more)

NavigationViewModelBase Class

A View Model for Views between which navigation can be organized if they are placed within a DevExpress.Xpf.WindowsUI.NavigationFrame.

Namespace:DevExpress.Mvvm
Assembly:DevExpress.Mvvm.v19.2.dll

Expanded Syntax

Expanded Remarks

The NavigationViewModelBase class implements the ISupportNavigation interface, which adds the OnNavigatedTo and OnNavigatedFrom methods to the class. When deriving your ViewModel from the NavigationViewModelBase class, you can override these methods to perform actions when a View is activated or deactivated during navigation.

Expanded Example

The FrameNavigationService provides methods to navigate between Views within a NavigationFrame. This example shows how to use this service.In this example, the MainWindow contains a NavigationFrame, which shows a HomeView at startup. The HomeView contains a Tile, which invokes a command to navigate to a DetailView when clicked. The DetailView contains the Back button for backward navigation.

Expanded Inheritance Hierarchy

System.Object
    BindableBase
       ViewModelBase
          NavigationViewModelBase

Expanded See Also

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