Add Ellipse to path

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

class Clover: Form
{
public static void Main()
{
Application.Run(new Clover());
}
public Clover()
{
ResizeRedraw = true;
}
protected override void OnPaint(PaintEventArgs pea)
{
DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
}
protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
{
GraphicsPath path = new GraphicsPath();

path.AddEllipse(0, cy / 3, cx / 2, cy / 3); // Left

grfx.SetClip(path);
grfx.TranslateTransform(cx / 2, cy / 2);

Pen pen = new Pen(clr);
float fRadius = (float) Math.Sqrt(Math.Pow(cx / 2, 2) +
Math.Pow(cy / 2, 2));

for (float fAngle = 0; fAngle < (float) Math.PI * 2; fAngle += (float) Math.PI / 180) { grfx.DrawLine(pen, 0, 0, fRadius * (float) Math.Cos(fAngle), -fRadius * (float) Math.Sin(fAngle)); } } } [/csharp]

Add lines to Path


   


  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  using System.Data;

  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "Pen Cap App";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);

    }
    static void Main() 
    {
      Application.Run(new Form1());
    }

    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      GraphicsPath gp = new GraphicsPath();

      gp.AddLine(10, 10, 110, 15);
      gp.AddLine(110, 15, 100, 96);
      gp.AddLine(100, 96, 15, 110);
      gp.CloseFigure();

      g.FillRectangle(Brushes.White, this.ClientRectangle);
      g.DrawPath(Pens.Black, gp);
      gp.Dispose();
    }

    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }


           
          


Fill path and draw path


   


  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;

  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);

    }
    static void Main() 
    {
      Application.Run(new Form1());
    }

    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);

      GraphicsPath gp = new GraphicsPath();

      // Create an open figure
      gp.AddLine(10, 10, 10, 50);
      gp.AddLine(10, 50, 50, 50);

      // Start a new figure
      gp.StartFigure();
      gp.AddLine(60, 10, 60, 50);
      gp.AddLine(60, 50, 100, 50);
      gp.AddLine(100, 50, 100, 10);
      gp.CloseFigure();

      gp.AddEllipse(new Rectangle(110, 10, 40, 40));

      g.FillPath(Brushes.Orange, gp);
      g.DrawPath(Pens.Black, gp);
      gp.Dispose();
    }

    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }


           
          


Add closed figures to GraphicsPath


   



  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;

  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);

    }
    static void Main() 
    {
      Application.Run(new Form1());
    }

    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);

      GraphicsPath gp = new GraphicsPath();

      // Create a figure
      gp.AddRectangle(new Rectangle(10, 50, 80, 20));

      // Create another figure
      gp.AddEllipse(50, 10, 20, 80);
      g.DrawPath(Pens.Black, gp);
      gp.Dispose();
    }

    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

           
          


GraphicsPath starts two figures and close them


   


  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;

  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);

    }
    static void Main() 
    {
      Application.Run(new Form1());
    }

    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);

      GraphicsPath gp = new GraphicsPath();

      // Create a figure
      gp.AddLine(10, 10, 10, 50);
      gp.AddBezier(10, 50, 100, 55, 25, 70, 30, 70);
      gp.AddLine(30, 70, 60, 70);

      // Create another figure
      gp.StartFigure();
      gp.AddLine(60, 110, 40, 160);
      gp.AddLine(40, 160, 60, 180);

      // Close all figures
      gp.CloseAllFigures();

      // Draw the path
      g.DrawPath(Pens.Black, gp);

      gp.Dispose();
    }

    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }


           
          


GraphicsPath closes a figure and starts a new figure


   



  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;

  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);

    }
    static void Main() 
    {
      Application.Run(new Form1());
    }

    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);

      GraphicsPath gp = new GraphicsPath();

      // Create a figure
      gp.AddLine(10, 10, 10, 50);
      gp.AddBezier(10, 50, 10, 55, 25, 70, 30, 70);
      gp.AddLine(30, 70, 60, 70);
      gp.CloseFigure();

      gp.StartFigure();
      gp.AddLine(60, 110, 40, 160);

      g.DrawPath(Pens.Black, gp);

      gp.Dispose();

    }

    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

           
          


GraphicsPath starts a new figure


   



  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;

  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);

    }
    static void Main() 
    {
      Application.Run(new Form1());
    }

    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);

      GraphicsPath gp = new GraphicsPath();

      // Create a figure
      gp.AddLine(10, 10, 10, 50);
      gp.AddBezier(10, 50, 130, 55, 25, 70, 30, 70);
      gp.AddLine(30, 70, 60, 70);
      gp.AddBezier(60, 70, 555, 70, 90, 55, 90, 50);
      gp.AddLine(90, 50, 90, 30);

      // Create another figure
      gp.StartFigure();
      gp.AddLine(60, 110, 40, 160);
      gp.AddLine(40, 160, 60, 180);

      g.DrawPath(Pens.Black, gp);

      gp.Dispose();
    }

    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }