using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
g.FillRectangle(Brushes.White, ClientRectangle);
g.FillRectangle(Brushes.Red, new Rectangle(10, 10, 50, 50));
Brush linearGradientBrush = new LinearGradientBrush(
new Rectangle(10, 60, 50, 50), Color.Blue, Color.White, 45);
g.FillRectangle(linearGradientBrush, new Rectangle(10, 60, 50, 50));
linearGradientBrush.Dispose();
g.FillEllipse(Brushes.Aquamarine, new Rectangle(60, 20, 50, 30));
g.FillPie(Brushes.Chartreuse, new Rectangle(60, 60, 50, 50), 90, 210);
g.FillPolygon(Brushes.BlueViolet, new Point[] {
new Point(110, 10),
new Point(150, 10),
new Point(160, 40),
new Point(120, 20),
new Point(120, 60),
});
}
private void InitializeComponent()
{
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}