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

public class Form1 : Form {

    protected override void OnPaint(PaintEventArgs e) {
        Bitmap bmp = new Bitmap("alphabet.gif");
        Graphics g = e.Graphics;

        float[][] matrixItems = {
                    new float[] {0.2f, 0, 0, 0, 0},
                    new float[] {0, 0.8f, 0, 0, 0},
                    new float[] {0, 0, 1, 0, 0},
                    new float[] {0, 0, 0, 1, 0}, 
                    new float[] {0, 0, 0, 0, 1}};
        ColorMatrix colorMatrix = new ColorMatrix(matrixItems);

        ImageAttributes imageAtt = new ImageAttributes();
        imageAtt.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);

        TextureBrush tb = new TextureBrush(bmp, new Rectangle(0, 0, bmp.Width, bmp.Height), imageAtt);
        tb.WrapMode = WrapMode.Tile;
        g.FillRectangle(tb, this.ClientRectangle);
        bmp.Dispose();
        tb.Dispose();
    }
    public static void Main() {
        Application.Run(new Form1());
    }
}

   
     

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

public class Form1 : Form {

    protected override void OnPaint(PaintEventArgs e) {
    Graphics g = e.Graphics;
    Bitmap bmp = new Bitmap("rama.jpg");
    g.DrawImage(bmp, 0, 0);

    Console.WriteLine("Screen resolution: " + g.DpiX + "DPI");
    Console.WriteLine("Image resolution: " + bmp.HorizontalResolution + "DPI");
    Console.WriteLine("Image Width: " + bmp.Width);
    Console.WriteLine("Image Height: " + bmp.Height);

    SizeF s = new SizeF(bmp.Width * (g.DpiX / bmp.HorizontalResolution),
              bmp.Height * (g.DpiY / bmp.VerticalResolution));
    Console.WriteLine("Display size of image: " + s);
    }
    public static void Main() {
        Application.Run(new Form1());
    }
}

   
     

   
  


using System;
using System.IO;


class Class1 {
    static void Main(string[] args) {
        string[] cma = Environment.GetCommandLineArgs();

        if (cma.GetUpperBound(0) >= 1) {
            FileStream myFStream = new FileStream(cma[1], FileMode.Open, FileAccess.Read);
            BinaryReader binRead = new BinaryReader(myFStream);
            binRead.BaseStream.Position = 0x12;
            
            Console.WriteLine(binRead.ReadInt32());
            Console.WriteLine(binRead.ReadInt32());
            Console.WriteLine(binRead.ReadInt16());
            Console.WriteLine(binRead.ReadInt16());

            binRead.Close();
            myFStream.Close();
        }
    }
}

   
     

   
  


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

class HelloWorldBitmap : Form {
    const float fResolution = 300;
    Bitmap bitmap = new Bitmap(1, 1);

    public static void Main() {
        Application.Run(new HelloWorldBitmap());
    }
    public HelloWorldBitmap() {
        Text = "Hello, World!";
        ResizeRedraw = true;

        bitmap.SetResolution(fResolution, fResolution);

        Graphics grfx = Graphics.FromImage(bitmap);
        Font font = new Font("Times New Roman", 72);
        Size size = grfx.MeasureString(Text, font).ToSize();

        bitmap = new Bitmap(bitmap, size);
        bitmap.SetResolution(fResolution, fResolution);

        grfx = Graphics.FromImage(bitmap);
        grfx.Clear(Color.White);
        grfx.DrawString(Text, font, Brushes.Black, 0, 0);
        grfx.Dispose();
    }
    protected override void OnPaint(PaintEventArgs pea) {
        pea.Graphics.DrawImage(bitmap, 0, 0);
    }
}

   
     

   
 


  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 gForm = e.Graphics;
      gForm.FillRectangle(Brushes.White, this.ClientRectangle);

      // Create a Bitmap image in memory and set its CompositingMode
      Bitmap bmp = new Bitmap(260, 260, PixelFormat.Format32bppArgb);
      Graphics gBmp = Graphics.FromImage(bmp);
      gBmp.CompositingMode = CompositingMode.SourceCopy;

      // draw a red circle to the bitmap in memory
      Color red = Color.FromArgb(0x60, 0xff, 0, 0);
      Brush redBrush = new SolidBrush(red);
      gBmp.FillEllipse(redBrush, 70, 70, 160, 160);

      // draw a green rectangle to the bitmap in memory
      Color green = Color.FromArgb(0x40, 0, 0xff, 0);
      Brush greenBrush = new SolidBrush(green);
      gBmp.FillRectangle(greenBrush, 10, 10, 140, 140);
      
      // draw the bitmap on our window
      gForm.DrawImage(bmp, 20, 20, bmp.Width, bmp.Height);

      bmp.Dispose();
      gBmp.Dispose();
      redBrush.Dispose();
      greenBrush.Dispose();
    }

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

           
         
     

   
 

  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)
    {      
      Bitmap bmp = new Bitmap(100, 100);
      Graphics gImage = Graphics.FromImage(bmp);
      gImage.FillRectangle(Brushes.Red, 0, 0, bmp.Width, bmp.Height);
      gImage.DrawRectangle(Pens.Black, 10, 10, bmp.Width - 20, bmp.Height - 20);

      Graphics gScreen = e.Graphics;
      gScreen.FillRectangle(Brushes.White, this.ClientRectangle);
      gScreen.DrawImage(bmp, new Rectangle(10, 10, bmp.Width, bmp.Height));
    }

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


           
         
     

   
 

using System;
using System.IO;
using System.Drawing;
   
class MainClass
{
    static public void Main()
    {
        Bitmap img = new Bitmap("winter.jpg");
        
        Console.WriteLine(img.PhysicalDimension.ToString() );
        Console.WriteLine(img.Height.ToString() );
        Console.WriteLine(img.Width.ToString() );
        Console.WriteLine(img.RawFormat.ToString() );
        Console.WriteLine(img.Size.ToString() );
    }
}