Is click inside a path : Path « 2D Graphics « C# / C Sharp

1. C# / C Sharp
2. 2D Graphics
3. Path

Is click inside a path

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;

public class Form1 : Form
{
        GraphicsPath path;

      public Form1() {
            InitializeComponent();
            
      }
    private void GraphicsPathHit_Paint(object sender, PaintEventArgs e)
    {
      e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
      path = new GraphicsPath();
      path.StartFigure();
      path.AddArc(10, 10, 100, 100, 20, 50);
      path.AddLine(20, 50, 70, 230);
      path.CloseFigure();
      path.AddEllipse(120, 50, 80, 80);
      e.Graphics.FillPath(Brushes.White, path);
      e.Graphics.DrawPath(Pens.Black, path);
    }

    private void GraphicsPathHit_MouseDown(object sender, MouseEventArgs e)
    {
      if (path.IsVisible(e.X, e.Y))
      {
        MessageBox.Show("You clicked inside the figure.");
      }
    }

    private void InitializeComponent()
    {
      this.SuspendLayout();
      // 
      // GraphicsPathHit
      // 
      this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
      this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
      this.ClientSize = new System.Drawing.Size(292, 266);
      this.Name = "GraphicsPathHit";
      this.Text = "GraphicsPathHit";
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.GraphicsPathHit_Paint);
      this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.GraphicsPathHit_MouseDown);
      this.ResumeLayout(false);

    }
      [STAThread]
      static void Main()
      {
        Application.EnableVisualStyles();
        Application.Run(new Form1());
      }

}


           
       

Related examples in the same category

1.	Start A Figure
2.	Close all figures
3.	Add a rectangle to a Path
4.	Create Path from String
5.	GraphicsPath starts a new figure
6.	GraphicsPath closes a figure and starts a new figure
7.	GraphicsPath starts two figures and close them
8.	Add closed figures to GraphicsPath
9.	Fill path and draw path
10.	Add lines to Path
11.	Add Ellipse to path
12.	Widen a Path
13.	Scribble with Path
14.	Add Bezier to a Path
15.	Add Line and Arc to Path
16.	Graphics Path Example
17.	Draw path
18.	Fillpath Demo