public static void NavigateToModal<T>(OpraViewName name, ParameterizedMessage message = null) where T : UIElement, new()
        {
            _message = message;
  
            object view = null;
            int Width =0, Height =0 ;
  
  
            switch (name)
            {
                case OpraViewName.AboutView:
                    view = new AboutView();
                    Width = 1000;
                    Height = 600;
                    break;
                case OpraViewName.ArticlePickerView:
                    view = new ArticlePickerView();
                    Width = 1000;
                    Height = 600;
                    break;
                case OpraViewName.ArticleLoaderView:
                    view = new ArticleLoaderView();
                    Width =  700;
                    Height = 600;
                    break;
                default:
                    break;
            }
  
             
  
            RadWindow modalWindows = new RadWindow();
            modalWindows.WindowStartupLocation = WindowStartupLocation.CenterOwner;
            modalWindows.MinHeight = Height;
            modalWindows.MinWidth = Width;
            modalWindows.Header = name.GetStringValue();
            modalWindows.Content = view;//The view is the user control i use
            modalWindows.ShowDialog();
             
        }