rajzolgatás

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
  public partial class Form1 : Form
  {
    static Graphics grafika;
    public Form1()
    {
      InitializeComponent();
      grafika = CreateGraphics();
    }

    private void Form1_Load(object sender, EventArgs e)
    {

    }

    private void Form1_Load(object sender, MouseEventArgs e)
    {
      Pen tollacska = new Pen(Color.Red);
      Rectangle negyszog = new Rectangle();
      grafika.DrawEllipse(tollacska, e.X-10, e.Y-10, 30, 30);
    }
  }
}