Паттерн Фасад (Facade)

class FPanel : Pabel  {}
class FButton : Button {}
class FTextBox : TextBox {}
//...

FPanel pnl = new FPanel ();

FPanel pnl = facade.AddPanel();

public static class Facade
{
    static ViewFormText formText = new ViewFormText ();
    static ViewFormGraph formGraph = new ViewFormGraph ();
    static ViewFormLabs formLabs = new ViewFormLabs ();        
 
    public static void StartFT () {
        Application.Run (formText);
    }
    public static void StartFG () {
        Application.Run (formGraph);
    }
    public static void StartFL () {
        Application.Run (formLabs);
    }
}
class Program
{
    static void Main () {
        Facade.StartFL();
        Facade.StartFT ();
        Facade.StartFG ();
    }
}
 
 
abstract class View : Form 
{
    Controller contoller;
    public View (Controller c) {
        contoller = c;
        //...
    }
    //...
}
 
internal class ViewFormText : View { /* ... */ }
 
internal class ViewFormGraph : View { /* ... */ }
 
internal class ViewFormLabs : View { /* ... */ }
 
class Controller { /* ... */ }
 
class Model : View { /* ... */ }