What is the problem with my WPF project

[SCHIZ0FRENIA]

I have this code for MainWindow
`

            <RadioButton Content="Главная"
                         Height="50"
                         Foreground="White"
                         FontSize="14"
                         Style="{StaticResource MenuButtonTheme}"
                         IsChecked="True"
                         Command="{Binding ChangeToHome}"/>

            <RadioButton Content="Добавить раскраску"
                         Height="50"
                         Foreground="White"
                         FontSize="14"
                         Style="{StaticResource MenuButtonTheme}"
                         Command="{Binding ChangeToDiscovery}"/>

        </StackPanel>

`

and this code for MainViewModel.cs

private void ChangeToHome (object value)
{
    CurrentView = HomeVM;
    MessageBox.Show("Now in home", "alert", MessageBoxButton.OK, MessageBoxImage.Information);
}

private void ChangeToDiscovery (object value)
{
    CurrentView = DiscoveryVM;
    MessageBox.Show("Now in Discovery", "alert", MessageBoxButton.OK, MessageBoxImage.Information);
}

private bool CanChangeView(object value)
{
    return true;
}


public MainViewModel() 
{
    HomeVM = new HomeViewModel();
    DiscoveryVM = new DiscoveryViewModel();
    CurrentView = HomeVM;
    HomeViewCommand = new RelayCommand(ChangeToHome, CanChangeView);
    DiscoveryViewCommand = new RelayCommand(ChangeToDiscovery, CanChangeView);
}

So when i click on the radio button i should change views and be able to see some messages, but nothing happen.