using System;
using System.ComponentModel;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using System.Drawing.Drawing2D;

namespace CommonClassLib
{
    public  class tButton: Button 
    {
        
        
        protected override void OnPaint(PaintEventArgs e)
        {
              int MaxX = this.Size.Width * 2;
              int MaxY = this.Size.Height * 2;
              Rectangle recBig = new Rectangle(0, 0, MaxX,MaxY);
              Rectangle recSmall = new Rectangle(MaxX / 4, MaxY / 4, MaxX / 2, MaxY / 2);
              Point p1 = new Point(MaxX/2,0);
              Point p2 = new Point (MaxX/2,MaxY/4);
              Point p3 = new  Point(MaxX/4,MaxY/2);
              Point p4 = new Point(0, MaxY / 2);
              base.OnPaint(e);
              GraphicsPath path1 = new GraphicsPath();
              GraphicsPath path2 = new GraphicsPath();
              path1.AddArc(  recBig, 180, 90);
              path1.AddLine(0, 0, MaxX/2, 0);
              path1.AddLine(0, 0, 0, MaxY / 2);
              Region rg1 = new Region(path1);
              e.Graphics.FillRegion(new SolidBrush(Color.White), rg1);
              path2.AddArc(recSmall, 180, 90);
              path2.AddLine(MaxX/4,MaxY/2, MaxX /2,MaxY/2);
              path2.AddLine(MaxX /2,MaxY/2,MaxX/2, MaxY/4);
              Region rg2 = new Region(path2);
              e.Graphics.FillRegion(new SolidBrush(Color.White), rg2);
              e.Graphics.DrawArc(new Pen(new SolidBrush(Color.Black)), recBig, 180, 90);
              e.Graphics.DrawLine(new Pen(new SolidBrush(Color.Black)), p1, p2);
              e.Graphics.DrawArc(new Pen(new SolidBrush(Color.Black)), recSmall, 180, 90);
              e.Graphics.DrawLine(new Pen(new SolidBrush(Color.Black)), p3, p4);
              e.Dispose();
        }
        
       

        
             
    }
}