Catch Mouse Click event inside a strange shape

   


  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
  {
    GraphicsPath myPath = new GraphicsPath();

    private bool isImageClicked = false;

    public Form1()
    {
      InitializeComponent();
      myPath.StartFigure();
      myPath.AddLine(new Point(150, 10), new Point(120, 150));
      myPath.AddArc(200, 200, 100, 100, 0, 90);
      Point[] points = {new Point(350, 325), new Point(250, 350), new Point(250, 250), new Point(350, 275)};
      myPath.AddCurve(points);
      myPath.CloseFigure();

      CenterToScreen();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "Form1";
      this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseUp);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);

    }

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

    private void Form1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
    {
      Point mousePt = new Point(e.X, e.Y);
            
            if(myPath.IsVisible(mousePt))
      {
        isImageClicked = true;
        this.Text = "You clicked the strange shape...";
      } else {
        isImageClicked = false;
        this.Text = "Images";
      }

      Invalidate();
    }

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

      g.FillPath(Brushes.AliceBlue, myPath);

      if(isImageClicked == true)
      {
        Pen outline = new Pen(Color.Black, 2);
                g.DrawPath(outline, myPath);
      }
    }
  }