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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 ControlPaint2
{
public partial class Form1 : Form
{
private int counter = 0;
public Form1()
{
InitializeComponent();
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics g = e.Graphics;
g.DrawEllipse(
new Pen(Color.Blue),
new Rectangle(this.Width / 8 - counter,
this.Height / 2 + counter,
30 + counter, 30 + counter)
);
}
private void button1_Click(object sender, EventArgs e)
{
this.counter++;
this.Refresh();
}
private void Form1_Load(object sender, EventArgs e)
{
this.counter = 1;
}
}
} |
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