Setup for navigation in wpf and mvvmlight

Currently getting started on a new wpf project and want to use mvvmlight. My initial thought was to have 4 buttons as navigation at top of the window and then a contentcontrol where new views would be injected when chosen from the navigationbuttions.

That is a mainwindow and som subviews that will be injected. The main VM should have commands hooked to wired up with the navigation buttons. When executed the command should send a navigation message to change a view, and this is where I get confused. Who should handle the navigation messages send and change the view in the ContentControl? I guess the ViewModelLocator is only for instantiating the viewmodels.

What is missing in getting this开发者_如何学C glued together?

Best regards

See this answer for a dialog strategy. This should be applicable to your problem. However, one word of caution when using messages in the above szenario ... call Unregistr() especially on your views.