class SampleClass
    {
        public void Call1(String str)
        {
            MessageBox.Show("Call1 : " + str);
        }//

        public void Call2(String str)
        {
            MessageBox.Show("Call2 : " + str);
        }//

    }////

ต้องการ create object ของ คลาส SampleClass เรียกใช้ Method Call1 ได้ดังนี้ครับ

.........................

Button btn;

btn = new Button();
.....
btnAdd.Click += new EventHandler(btn_Click);
......

void btn_Click(object sender, EventArgs e) {
 MessageBox.Show("Hello World");
}

เราสามารถใช้ Feature ด้าน Anonamous Method ได้ดังนี้คือ

Button btn;

btn = new Button();
.....
btnAdd.Click += delegate(object sender, EventArgs e){  MessageBox.Show("Hello World"); }

หรือ จะละทิ้ง signature ของ Anonamous Method ก็ได้

btnAdd.Click += delegate {  MessageBox.Show("Hello World"); }
......

        //ประกาศ ตัวแทนชื่อ MyDelegate ที่จะทำงานแทน Method ที่ไม่มีการคืนค่าและรับ parameter 1 ตัวมีชนิดเป็น String
        public delegate void MyDelegate(String str);

        public void ShowMyName(String name)
        {
            MessageBox.Show("My name is "+name);
        }//

          //ประกาศตัวแทนของ MyDelegate ชื่อว่า CallDelegate โดยทำหน้าที่แทน Method ที่ชื่อว่า ShowMyName
          MyDelegate CallDelegate = new MyDelegate(ShowMyName);
          CallDelegate("Chiwa");

ผลก็จะมี Message Box ขึ้นโชว์ว่า My name is Chiwa

 namespace Builder
{
    public abstract class Animal
    {
        public String name;
        public String myFood;
        public String leg;
        public String animalType;
       
       

        public String getInformation()
        {
            return "I am " + this.animalType +"\n"+this.leg+ "\n My name is " + this.name + "\n I eat an " + this.myFood;
        }

    }//Animal

    public class Monkey : Animal
    {

        public Monkey()
        {
            this.animalType = "Monkey";
            this.myFood = "Banana";
        }


    }//Monkey

    public class Bird : Animal
    {
        public Bird()
        {
            this.animalType = "Bird";
            this.myFood = "Worm";
        }

       
    }//Bird


   public abstract class AnimalBuilder
   {
       public Animal aAnimal;
       public abstract void BuildName(String name);
       public abstract void BuildLeg();
   }//AnimalBuilder

   public class MonkeyBuilder : AnimalBuilder
   {
       public MonkeyBuilder()
       {
           aAnimal = new Monkey();
       }

       public override void BuildName(String name)
       {
           aAnimal.name = name;
       }

       public override void BuildLeg()
       {
           aAnimal.leg = "My leg was build for 4 legs "+MonkeyBuilderSpecial.MakeSpecial();
       }
   }//MonkeyBuilder

  public class MonkeyBuilderSpecial
  {
      public static String MakeSpecial()
      {
          return ", but i can walk by 2 legs.";
      }
  }

   public class BirdBuilder : AnimalBuilder
   {
       public BirdBuilder()
       {
           aAnimal = new Bird();
       }

       public override void BuildName(String name)
       {
           aAnimal.name = name;
       }

       public override void BuildLeg()
       {
           aAnimal.leg = "My leg was build for 2 legs";
       }
   }//MonkeyBuilder

    public class AnimalConstructor
    {
        public String name {get; set;}
        public void MakeAnimal(AnimalBuilder animalBuilder)
        {
            animalBuilder.BuildName(this.name);
            animalBuilder.BuildLeg();
        }
    }


}//Builder

..................................

  class TestSingleTon
    {
        private static TestSingleTon instant;

        private TestSingleTon() {}

....................................................................

  class TestSingleTon
    {
        private static TestSingleTon instant; //อาจจะเป็น couter นับจำนวน object ที่จะให้สร้างได้พร้อมกัน

        private TestSingleTon() {}

        public static TestSingleTon GetTestSingleTon()
        {
            if (instant == null)
            {
                instant = new TestSingleTon();
                return instant;
            }
            return null;
        }

.................................................

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;

namespace ZengCodeNet
{
    public class ZCBtn : Button
    {

       //จะ implement อะไรต่อก็ทำไปสุดแต่ใจจะปราถนาครับ ไม่ว่าจะเป็ฯ property หรือ method ต่างๆ
    }
}

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

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            //com.pttplc.www.PTTInfo a = new WindowsFormsApplication1.com.pttplc.www.PTTInfo();
            //MessageBox.Show(a.GetOilPrice("thai",25,02,2553));
        }

        private void button2_Click(object sender, EventArgs e)
        {
           // String strSoapMessage = "<?xml version='1.0' encoding='utf-8'?><soap:Envelope xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xsd='http://www.w3.org/2001/XMLSchema' xmlns:soap='http://schemas.xmlsoap.org/soap/envelope/'><soap:Body><HelloWorld xmlns='http://tempuri.org/' /></soap:Body></soap:Envelope>";
            String strSoapMessage = "<?xml version='1.0' encoding='utf-8'?><soap:Envelope xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xsd='http://www.w3.org/2001/XMLSchema' xmlns:soap='http://schemas.xmlsoap.org/soap/envelope/'><soap:Body><GetOilPrice xmlns='http://www.pttplc.com/ptt_webservice/'><Language>string</Language><DD>26</DD><MM>02</MM><YYYY>2553</YYYY></GetOilPrice></soap:Body></soap:Envelope>";

...............................................