Mine

using System;
using System.Drawing.Imaging;
using System.Drawing;
using System.Drawing.Drawing2D;

//
public class graphicsUI
{       
        static void DrawCross (Graphics dc, int x, int middle)
        {
                dc.DrawLine (new Pen (Color.Red), x + 2, middle, x + 6, middle);
                dc.DrawLine (new Pen (Color.Red), x + 4, middle - 2, x + 4, middle + 2);
        }
        
        public static void Main ()
        {

                Bitmap bmp = new Bitmap (100, 100);
                Graphics dc = Graphics.FromImage (bmp);
                
                Pen bluePen = new Pen (Color.Blue);
                dc.DrawLine (bluePen, 5,5, 10,10);
                dc.DrawLine (bluePen, 2, 2, 5, 2);

                Pen yellowPen = new Pen (Color.Yellow);
                dc.DrawLine (yellowPen, 20, 5, 20, 10);
                dc.DrawLine (yellowPen, 30, 30, 30, 30);
                dc.DrawLine (yellowPen, 30, 45, 30, 40);

                DrawCross (dc, 5, 15);
                DrawCross (dc, 14, 26);
                
                bmp.Save("bug.png", ImageFormat.Png);
        }
}