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

namespace DrawARectangle2
{




    public partial class Form1 : Form
    {

        private static System.Timers.Timer aTimer;
        public static int t_msec = 0; // tenmiliseconds
        public static string formattime;
        public static int rad = 3;
           

        public Form1()
        {
            InitializeComponent();
        }



        private void DrawIt()
        {
           
            System.Drawing.Graphics graphics = this.CreateGraphics();
            this.Invalidate();
            System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle(
                100, 100, rad, 150);
            graphics.DrawEllipse(System.Drawing.Pens.Black, rectangle);
   
        }

        private void button1_Click(object sender, EventArgs e)
        {
        aTimer = new System.Timers.Timer(1);

        // Hook up the Elapsed event for the timer.
        aTimer.Elapsed += new ElapsedEventHandler(OnTimedEvent);

        // Set the Interval to 2 seconds (2000 milliseconds).
        //aTimer.Interval = 2000;
        aTimer.Enabled = true;
        }

        private void OnTimedEvent(object sender, EventArgs eArgs)
        {        
            DrawIt();
            rad++;
        }


    }
}