public NavigationPanelViewModel(INavigationPanelState navigationPanelState, IChangeContentRegionCompositeCommand changeContentRegionsViewCommand)
{
_navigationPanelState = navigationPanelState;
_navigationPanelState.PropertyChanged += OnNavigationPanelStatePropertyChanged;
ChangeContentRegionsViewCommand = changeContentRegionsViewCommand;
}
public ChangeCurrentRegionInNavigationPanelCommand(INavigationPanelState navigationPanelState)
{
_navigationPanelState = navigationPanelState;
}