Metoda "Main" ako vstupny bod programu

//InheritHelloWorld.cs

using System;
using Drawing;
using System.Windows.Forms;

class InheritHelloWorld: HelloWorld//trieda "InheritHelloWorld" dediod triedy "HelloWorld"
{
    public new static Main()
    {
        Application.Run(new InheritHelloWorld());
    }
    public InheritHelloWorld()
    {
        Text = "Inherit" + Text;
    }
    protected override void OnPaint(PaintEventArgs pea)
    {
        Graphics grfx = pea.Graphics;
        grfx.DrawString("Hello from InheritHelloWorld!", Font, Brushes.Black, 0, 100);
    }
}

HelloWorld.cs

using System;
using System.Drawing;
using System.Windows.Forms;

class HelloWorld : Form //dedenie z triedy Form
{
    public static void Main()
    {
        Application.Run(new HelloWorld());
    }
    public HelloWorld()
    {
        Text = "Hello World";
        BackColor = Color.White;
    }
    protected override void OnPaint(PaintEventArgs pea)
    {
        Graphics grfx   = pea.Graphics;
        grfx.DrawString("Hello, Windows Forms!", Font, Brushes.Black, 0, 0);
    }
}