public class ViewModelInitializer<TViewModel,TModel> where TViewModel : IViewModel<TModel>
{
    private Func<TViewModel> _viewModelFactory;
 
    public ViewModelInitializer(Func<TViewModel> viewModelFactory)
    {
        _viewModelFactory = viewModelFactory;
    }
 
    public void Initialize(FrameworkElement view, TModel model)
    {
        TViewModel vm = _viewModelFactory();
        vm.SetModel(model);
        view.DataContext = vm;
    }
}
 
public interface IViewModel<TModel>
{
    void SetModel(TModel model);
}