How to Implement Efficient Page Navigation in WPF using the MVVM Pattern?

Navigation within WPF pages

When developing WPF applications, navigation between pages is a common requirement. You can switch the current page displayed on the MainWindow window by creating a class and method that can be used on any window and page. However, implementing this functionality from scratch may result in errors such as System.StackOverflowException.

Use MVVM pattern for page navigation

While it is possible to create custom navigation solutions, it is highly recommended to use the Model-View-ViewModel (MVVM) pattern. WPF natively supports the MVVM pattern, which greatly simplifies page navigation.

Create user controls and view models

For each page you want to display, create a UserControl or DataTemplate and a corresponding view model that implements the IPage interface. The UserControl will contain the UI elements of the page, while the ViewModel will handle data binding and communication with the MainViewModel.

For example:

WelcomePage.xaml (UserControl):

<code><usercontrol><stackpanel></stackpanel></usercontrol></code>

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