Draw BMP images : BMP : Drawing 2D C# Examples

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

public  class  ImageDraw  :  System.Windows.Forms.Form
{
    private  System.ComponentModel.Container  components  =  null;

    private  Bitmap  bMapImageA  =  new  Bitmap("YourFile.bmp");
    private  Bitmap  bMapImageB  =  new  Bitmap("YourFile.bmp");
    private  Bitmap  bMapImageC  =  new  Bitmap("YourFile.bmp");

    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  imageClickedIndex;

    public  ImageDraw()
    {
        InitializeComponent();
    }

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

    private  void  InitializeComponent()
    {
        this.AutoScaleBaseSize  =  new  System.Drawing.Size(5,  13);
        this.ClientSize  =  new  System.Drawing.Size(376,  361);
        this.MouseUp  +=  new  System.Windows.Forms.MouseEventHandler(this.ImageDraw_MouseUp);
        this.Paint  +=  new  System.Windows.Forms.PaintEventHandler(this.ImageDraw_Paint);
    }

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

    private  void  ImageDraw_MouseUp(object  sender,  System.Windows.Forms.MouseEventArgs  e)
    {
        Point  mousePt  =  new  Point(e.X,  e.Y);

        if(rectA.Contains(mousePt))
        {
            isImageClicked  =  true;
            imageClickedIndex  =  0;
        }
        else  if(rectB.Contains(mousePt))
        {
            isImageClicked  =  true;
            imageClickedIndex  =  1;
        }
        else  if(rectC.Contains(mousePt))
        {
            isImageClicked  =  true;
            imageClickedIndex  =  2;
        }    
        else    //  Not  in  any  shape,  set  defaults.
        {
            isImageClicked  =  false;
        }
        Invalidate();
    }

    private  void  ImageDraw_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.Purple,  5);

            switch(imageClickedIndex)
            {
                case  0:
                    g.DrawRectangle(outline,  rectA);
                    break;
                
                case  1:
                    g.DrawRectangle(outline,  rectB);
                    break;
                
                case  2:
                    g.DrawRectangle(outline,  rectC);
                    break;

                default:
                    break;
            }
        }            
    }
}