using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Drawing.Drawing2D;namespace advanced_drawing{  public partial class Form11 : Form  {    public Form11()    {      InitializeComponent();    }    private void Form11_Paint(object sender, PaintEventArgs e)    {      Matrix matrix=new Matrix();      matrix.Translate(10, 10);      GraphicsPath path = new GraphicsPath();      path.Transform(matrix);      Rectangle rect = new Rectangle(0, 0, 100, 100);      Graphics g = e.Graphics;      path.AddRectangle(rect);      g.DrawPath(Pens.Black, path);      path.Flatten(matrix, 10);      g.DrawPath(Pens.Red, path);    }  }}