Mouse Handler


   

/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds

Publisher: Apress
ISBN: 159059035X
*/

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

namespace MouseHandler_c
{
    /// <summary>
    /// Summary description for Finally_c.
    /// </summary>
    public class MouseHandler_c : System.Windows.Forms.Form
    {
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Button Off;
        private System.Windows.Forms.Button On;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public MouseHandler_c()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
            this.MouseMove += new 
                     System.Windows.Forms.MouseEventHandler(this.MyMouseHandler);

        }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing ) {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
              this.label1 = new System.Windows.Forms.Label();
              this.Off = new System.Windows.Forms.Button();
              this.On = new System.Windows.Forms.Button();
              this.SuspendLayout();
              // 
              // label1
              // 
              this.label1.Location = new System.Drawing.Point(40, 56);
              this.label1.Name = "label1";
              this.label1.Size = new System.Drawing.Size(176, 16);
              this.label1.TabIndex = 0;
              this.label1.Text = "label1";
              // 
              // Off
              // 
              this.Off.Location = new System.Drawing.Point(40, 216);
              this.Off.Name = "Off";
              this.Off.Size = new System.Drawing.Size(72, 24);
              this.Off.TabIndex = 1;
              this.Off.Text = "Off";
              this.Off.Click += new System.EventHandler(this.Off_Click);
              // 
              // On
              // 
              this.On.Location = new System.Drawing.Point(152, 216);
              this.On.Name = "On";
              this.On.Size = new System.Drawing.Size(72, 24);
              this.On.TabIndex = 2;
              this.On.Text = "On";
              this.On.Click += new System.EventHandler(this.On_Click);
              // 
              // MouseHandler_c
              // 
              this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
              this.ClientSize = new System.Drawing.Size(292, 273);
              this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.On,
                                                                          this.Off,
                                                                          this.label1});
              this.Name = "MouseHandler_c";
              this.Text = "MouseHandler_c";
              this.Load += new System.EventHandler(this.MouseHandler_c_Load);
              this.ResumeLayout(false);

        }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new MouseHandler_c());
        }

        private void MouseHandler_c_Load(object sender, System.EventArgs e)
        {
        }
        private void MyMouseHandler(object sender, 
                                    System.Windows.Forms.MouseEventArgs e)
        {
          label1.Text = "X= " + e.X.ToString() + ", Y= " + e.Y.ToString();
        }
    
        protected override void OnMouseMove( MouseEventArgs e )
        {
          base.OnMouseMove(e);
        }
    
        private void Off_Click(object sender, System.EventArgs e)
        {
          this.MouseMove -= new 
            System.Windows.Forms.MouseEventHandler(this.MyMouseHandler);
        }
    
        private void On_Click(object sender, System.EventArgs e)
        {
          this.MouseMove += new 
            System.Windows.Forms.MouseEventHandler(this.MyMouseHandler);
        }

    }
}


           
          


Full screen and KeyEvent and MouseEvent

   

// This Article is a simple one to show the usage of KeyEvent and MouseEvent. 
  
// Please move the mouse or press a key to Exit this Program. 
using System; 
using System.Drawing; 
using System.Collections; 
using System.ComponentModel; 
using System.Windows.Forms; 
using System.Data; 

namespace ScreenSave 
{ 
    public class KeyEventandMouseEvent : System.Windows.Forms.Form { 
        private System.Windows.Forms.Label label1; 
        private System.Windows.Forms.Timer timer1; 
        private System.ComponentModel.IContainer components; 
        private Boolean boolFlag; 
        private int ixStart; 
        private int iyStart; 
    
        public KeyEventandMouseEvent() { 
            // 
            // Required for Windows Form Designer support 
            // 
            InitializeComponent(); 
        } 
        /// <summary> 
        /// Clean up any resources being used. 
        /// </summary> 
        protected override void Dispose( bool disposing ) 
        { 
            if( disposing ) { 
                if (components != null) 
                { 
                    components.Dispose(); 
                } 
            } 
            base.Dispose( disposing ); 
        } 
        #region Windows Form Designer generated code 
        /// <summary> 
        /// Required method for Designer support - do not modify 
        /// the contents of this method with the code editor. 
        /// </summary> 
        private void InitializeComponent() { 
            this.components = new System.ComponentModel.Container(); 
            this.timer1 = new System.Windows.Forms.Timer(this.components); 
            this.label1 = new System.Windows.Forms.Label(); 
            this.SuspendLayout(); 
            // 
            // timer1 
            // 
            this.timer1.Enabled = true; 
            this.timer1.Tick += new System.EventHandler(this.timer1_Tick); 
            // 
            // label1 
            // 
            this.label1.Font = new System.Drawing.Font("Times New Roman", 14F, (System.Drawing.FontStyle.Bold | System.Drawing.FontStyle.Italic), System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); 
            this.label1.ForeColor = System.Drawing.Color.Lime; 
            this.label1.Location = new System.Drawing.Point(8, 280); 
            this.label1.Name = "label1"; 
            this.label1.Size = new System.Drawing.Size(312, 32); 
            this.label1.TabIndex = 0; 
            this.label1.Text = "Roller - Developed in C-Sharp"; 
            this.label1.Click += new System.EventHandler(this.label1_Click); 
            // 
            // KeyEventandMouseEvent 
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); 
            this.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(64)), ((System.Byte)(64)), ((System.Byte)(64))); 
            this.ClientSize = new System.Drawing.Size(568, 32); 
            this.Controls.AddRange(new System.Windows.Forms.Control[] { 
            this.label1}); 
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None; 
            this.KeyPreview = true; 
            this.Name = "KeyEventandMouseEvent"; 
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; 
            this.Text = "KeyEventandMouseEvent"; 
            this.WindowState = System.Windows.Forms.FormWindowState.Maximized; 
            this.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.OnKeyPressEvent); 
            this.Load += new System.EventHandler(this.KeyEventandMouseEvent_Load); 
            this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.OnMouseMoveEvent); 
            this.ResumeLayout(false); 
        } 
        #endregion 
        /// <summary> 
        /// The main entry point for the application. 
        /// </summary> 
        [STAThread] 
        static void Main() 
        { 
            Application.Run(new KeyEventandMouseEvent()); 
        } 
        private void timer1_Tick(object sender, System.EventArgs e) 
        { 
            int i; 
              
            i = label1.Location.X; 
            if (i >= 750) 
            i = 0; 
            else 
            i = label1.Location.X + 5; 
              
            label1.Location = new Point(i,280); 
        } 
        private void KeyEventandMouseEvent_Load(object sender, System.EventArgs e) 
        { 
          
        } 
        private void OnMouseMoveEvent(object sender,MouseEventArgs e) 
        { 
            //Application.Exit(); 
            if (ixStart == 0 &amp;&amp; iyStart == 0) 
            { 
                ixStart = e.X; 
                iyStart = e.Y; 
            } 
            else if (e.X != ixStart || e.Y != iyStart) 
                Application.Exit(); 
              
        } 
        private void OnKeyPressEvent(object sender, System.Windows.Forms.KeyPressEventArgs e) 
        { 
            Application.Exit(); 
        } 
        private void label1_Click(object sender, System.EventArgs e) 
        { 
        } 
    } 
} 
 



           
          


Mouse move


   

/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds

Publisher: Apress
ISBN: 159059035X
*/

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;

namespace moveme
{
  public class moveme : System.Windows.Forms.Form
  {
    private const int WM_NCLBUTTONDOWN = 0xA1;

    [DllImport("user32.dll")]
    internal extern static int ReleaseCapture();
    [DllImport("user32.dll")]
    internal extern static int SendMessageA( IntPtr windowHandle, int wMsg, 
                                             int wPAram, int lParam );

    private System.ComponentModel.Container components = null;

    public moveme()
    {
      InitializeComponent();

      this.MouseMove += new MouseEventHandler(this.MyMouseMove);
    }

    protected override void Dispose( bool disposing )
    {
      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }

        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
      // 
      // moveme
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Name = "moveme";
      this.Text = "moveme";
      this.Load += new System.EventHandler(this.moveme_Load);

    }
        #endregion

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

    private void moveme_Load(object sender, System.EventArgs e)
    {
    }

    private void MyMouseMove(object sender, MouseEventArgs e)
    {
      if (e.Button==MouseButtons.Left)
      {
        ReleaseCapture();
        SendMessageA( this.Handle, WM_NCLBUTTONDOWN, 2, 0);
      }
    }
    }
}


           
          


Mouse Buttons Click


   

/*
Professional Windows GUI Programming Using C#
by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, 
   Zach Greenvoss, Shripad Kulkarni, Neil Whitlow

Publisher: Peer Information
ISBN: 1861007663
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace Wrox.WindowGUIProgramming.Chapter5
{
    /// <summary>
    /// Summary description for Form1.
    /// </summary>
    public class frmMouseButtons : System.Windows.Forms.Form
    {
        private System.Windows.Forms.Label lblLeftClick;
        private System.Windows.Forms.Label lblRightClick;
        private System.Windows.Forms.Label lblMiddleClick;
        private System.Windows.Forms.Label lblHover;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public frmMouseButtons()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        protected override void OnMouseDown(MouseEventArgs e)
        {
            switch(e.Button)
            {
                case(MouseButtons.Left):
                    lblLeftClick.Text = "Left Click";
                    break;
                case(MouseButtons.Middle):
                    lblLeftClick.Text = "Middle Click";
                    break;
                case(MouseButtons.Right):
                    lblLeftClick.Text = "Right Click";
                    break;
                case(MouseButtons.XButton1):
                    lblLeftClick.Text = "XButton1 Click";
                    break;
                case(MouseButtons.XButton2):
                    lblLeftClick.Text = "XButton2 Click";
                    break;
            }
            switch(e.Clicks)
            {
                case 1:
                    lblMiddleClick.Text = "Single Click";
                    break;
                case 2:
                    lblMiddleClick.Text = "Double Click!";
                    break;
                default:
                    lblMiddleClick.Text = "Many clicks!";
                    break;
            }
        }

        protected override void OnMouseWheel(MouseEventArgs e)
        {
            switch(e.Delta)
            {
                case -360:
                    lblRightClick.Text = "One Rotation Reverse";
                    break;
                case -720:
                    lblRightClick.Text = "Two Rotations Reverse";
                    break;
                case 360:
                    lblRightClick.Text = "One Rotation Forward";
                    break;
                case 720:
                    lblRightClick.Text = "Two Rotations Forward";
                    break;
                default:
                    lblRightClick.Text = "Rotation wasn&#039;t full turn of wheel";
                    break;
            }
        }

    

        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.lblLeftClick = new System.Windows.Forms.Label();
            this.lblRightClick = new System.Windows.Forms.Label();
            this.lblMiddleClick = new System.Windows.Forms.Label();
            this.lblHover = new System.Windows.Forms.Label();
            this.SuspendLayout();
            // 
            // lblLeftClick
            // 
            this.lblLeftClick.Location = new System.Drawing.Point(8, 8);
            this.lblLeftClick.Name = "lblLeftClick";
            this.lblLeftClick.TabIndex = 0;
            // 
            // lblRightClick
            // 
            this.lblRightClick.Location = new System.Drawing.Point(8, 32);
            this.lblRightClick.Name = "lblRightClick";
            this.lblRightClick.Size = new System.Drawing.Size(100, 32);
            this.lblRightClick.TabIndex = 1;
            // 
            // lblMiddleClick
            // 
            this.lblMiddleClick.Location = new System.Drawing.Point(8, 72);
            this.lblMiddleClick.Name = "lblMiddleClick";
            this.lblMiddleClick.TabIndex = 2;
            // 
            // lblHover
            // 
            this.lblHover.Location = new System.Drawing.Point(8, 104);
            this.lblHover.Name = "lblHover";
            this.lblHover.TabIndex = 3;
            this.lblHover.MouseEnter += new System.EventHandler(this.lblHover_MouseEnter);
            this.lblHover.MouseHover += new System.EventHandler(this.lblHover_MouseHover);
            this.lblHover.MouseLeave += new System.EventHandler(this.lblHover_MouseLeave);
            // 
            // frmMouseButtons
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(184, 198);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.lblHover,
                                                                          this.lblMiddleClick,
                                                                          this.lblRightClick,
                                                                          this.lblLeftClick});
            this.MaximizeBox = false;
            this.Name = "frmMouseButtons";
            this.Text = "MouseButtons";
            this.ResumeLayout(false);

        }
        #endregion

        protected void lblHover_MouseEnter(object sender, EventArgs e)
        {
         lblRightClick.Text = "One Rotation Forward";
         lblHover.Text = "Entering label";
            Cursor = Cursors.NoMove2D;
        }

        protected void lblHover_MouseHover(object sender, EventArgs e)
        {
            lblHover.Text = "Hovering over label";
            Cursor = Cursors.Hand;
            System.Diagnostics.Debug.WriteLine("hover");
        }

        protected void lblHover_MouseLeave(object sender, EventArgs e)
        {
            lblHover.Text = "Leaving label";
            Cursor = Cursors.Default;
        }
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new frmMouseButtons());
        }
    }
}


           
          


Mouse Movement


   

/*
Professional Windows GUI Programming Using C#
by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, 
   Zach Greenvoss, Shripad Kulkarni, Neil Whitlow

Publisher: Peer Information
ISBN: 1861007663
*/

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

namespace Wrox.ProgrammingWindowsGUI.Chapter5
{
    /// <summary>
    /// Summary description for Form1.
    /// </summary>
    public class MouseMovement : System.Windows.Forms.Form
    {
        private System.Windows.Forms.TextBox txtMouseInfo;
        private System.Windows.Forms.Button btTrackMouseOn;
        private System.Windows.Forms.Button btTrackMouseOff;
        private bool toggleMouse = false;
        private Timer tCheckMouse = new Timer();
        private System.Windows.Forms.Button btScreenTrack;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public MouseMovement()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            //
            // TODO: Add any constructor code after InitializeComponent call
            //
            txtMouseInfo.Text = GetMouseInfo().ToString();
        }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
         this.txtMouseInfo = new System.Windows.Forms.TextBox();
         this.btTrackMouseOn = new System.Windows.Forms.Button();
         this.btTrackMouseOff = new System.Windows.Forms.Button();
         this.btScreenTrack = new System.Windows.Forms.Button();
         this.SuspendLayout();
         // 
         // txtMouseInfo
         // 
         this.txtMouseInfo.Multiline = true;
         this.txtMouseInfo.Name = "txtMouseInfo";
         this.txtMouseInfo.ReadOnly = true;
         this.txtMouseInfo.Size = new System.Drawing.Size(432, 320);
         this.txtMouseInfo.TabIndex = 0;
         this.txtMouseInfo.Text = "";
         this.txtMouseInfo.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Control_MouseMove);
         // 
         // btTrackMouseOn
         // 
         this.btTrackMouseOn.Location = new System.Drawing.Point(16, 328);
         this.btTrackMouseOn.Name = "btTrackMouseOn";
         this.btTrackMouseOn.Size = new System.Drawing.Size(192, 23);
         this.btTrackMouseOn.TabIndex = 1;
         this.btTrackMouseOn.Text = "Start Track Mouse";
         this.btTrackMouseOn.Click += new System.EventHandler(this.btTrackMouseOn_Click);
         this.btTrackMouseOn.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Control_MouseMove);
         // 
         // btTrackMouseOff
         // 
         this.btTrackMouseOff.Location = new System.Drawing.Point(232, 328);
         this.btTrackMouseOff.Name = "btTrackMouseOff";
         this.btTrackMouseOff.Size = new System.Drawing.Size(184, 23);
         this.btTrackMouseOff.TabIndex = 2;
         this.btTrackMouseOff.Text = "Stop Track Mouse";
         this.btTrackMouseOff.Click += new System.EventHandler(this.btTrackMouseOff_Click_1);
         this.btTrackMouseOff.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Control_MouseMove);
         // 
         // btScreenTrack
         // 
         this.btScreenTrack.Location = new System.Drawing.Point(16, 360);
         this.btScreenTrack.Name = "btScreenTrack";
         this.btScreenTrack.Size = new System.Drawing.Size(400, 23);
         this.btScreenTrack.TabIndex = 3;
         this.btScreenTrack.Text = "Start Screen wide mouse tracking";
         this.btScreenTrack.Click += new System.EventHandler(this.btScreenTrack_Click);
         // 
         // MouseMovement
         // 
         tCheckMouse.Tick += new EventHandler(Timer_Check);
         tCheckMouse.Enabled = true;
         tCheckMouse.Stop();
         
         this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
         this.ClientSize = new System.Drawing.Size(432, 390);
         this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                      this.btScreenTrack,
                                                                      this.btTrackMouseOff,
                                                                      this.btTrackMouseOn,
                                                                      this.txtMouseInfo});
         this.MaximizeBox = false;
         this.Name = "MouseMovement";
         this.Text = "Mouse Movement";
         this.ResumeLayout(false);

      }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new MouseMovement());
        }

        private StringBuilder GetMouseInfo()
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("Mouse Present: "+SystemInformation.MousePresent+"
");
            sb.Append("Number of Mouse Buttons: "+SystemInformation.MouseButtons+"
");
            sb.Append("Mouse Wheel Present: "+SystemInformation.MouseWheelPresent+"
");
            sb.Append("Number of Mouse Wheel scroll lines: "+SystemInformation.MouseWheelScrollLines+"
");
            sb.Append("Native wheel support: "+SystemInformation.NativeMouseWheelSupport+"
");
            sb.Append("Mouse buttons swapped: "+SystemInformation.MouseButtonsSwapped+"
");
            return sb;
        }

        private void btTrackMouseOn_Click(object sender, System.EventArgs e)
        {
            toggleMouse = true;
            tCheckMouse.Stop();
        }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            CheckMousePosition(e, null);
        }

        protected void Control_MouseMove(object sender, MouseEventArgs e)
        {
            CheckMousePosition(e, sender);
        }

        private void CheckMousePosition(MouseEventArgs e, object control)
        {
            if(control==null)
            {
                if(toggleMouse) txtMouseInfo.Text = "x: "+e.X+", y:"+e.Y;
            }
            else
            {
                int left = e.X+((Control)control).Left;
                int top = e.Y+((Control)control).Top;
                if(toggleMouse) txtMouseInfo.Text = "x: "+left+", y:"+top;
            }
        }

        private void btTrackMouseOff_Click(object sender, System.EventArgs e)
        {
            toggleMouse = false;
            txtMouseInfo.Text = GetMouseInfo().ToString();
        }

        private void Timer_Check(object sender, EventArgs e)
        {
         Point pMousePosition = Control.MousePosition;
            txtMouseInfo.Text = "x: "+pMousePosition.X+", y:"+pMousePosition.Y;
        }

        private void btScreenTrack_Click(object sender, System.EventArgs e)
        {
            toggleMouse = false;
            tCheckMouse.Start();
        }

        private void btTrackMouseOff_Click_1(object sender, System.EventArgs e)
        {
            toggleMouse = false;
            txtMouseInfo.Text = GetMouseInfo().ToString();
        }
    }
}

           
          


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);
      }
    }
  }

           
          


Handle Mouse click event on an Image


   

    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
  {
    private Image bMapImageA = new Bitmap("winter.jpg");
    private Image bMapImageB = new Bitmap("winter.jpg");
    private Image bMapImageC = new Bitmap("winter.jpg");

    private Rectangle rectA = new Rectangle(10, 10, 90, 90);
    private Rectangle rectB = new Rectangle(10, 110, 90, 90);
    private Rectangle rectC = new Rectangle(10, 210, 90, 90);

    private bool isImageClicked = false;
    private int imageClicked;

    public Form1()
    {
      InitializeComponent();
      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(rectA.Contains(mousePt)) {
        isImageClicked = true;
        imageClicked = 0;
        this.Text = "You clicked image A";
      } else if(rectB.Contains(mousePt)) {
        isImageClicked = true;
        imageClicked = 1;
        this.Text = "You clicked image B";
      } else if(rectC.Contains(mousePt)) {
        isImageClicked = true;
        imageClicked = 2;
        this.Text = "You clicked image C";
      } else {
        isImageClicked = false;
        this.Text = "Images";
      }
      Invalidate();
    }

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

      g.DrawImage(bMapImageA, rectA);
      g.DrawImage(bMapImageB, rectB);
      g.DrawImage(bMapImageC, rectC);

      if(isImageClicked == true) {
        Pen outline = new Pen(Color.Black, 2);
        switch(imageClicked) {
          case 0:
            g.DrawRectangle(outline, rectA);
            break;
          case 1:
            g.DrawRectangle(outline, rectB);
            break;
          case 2:
            g.DrawRectangle(outline, rectC);
            break;
          default:
            break;
        }
      }
    }
  }