Generic Constraint

using System;

using System.Windows.Forms;

namespace Generic101

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

private void Form1_Load(object sender, EventArgs e)

{

Testclass testdoang = new Testclass();

MethodA(testdoang);

MethodB(testdoang);

TestClass<Chubby> damn = new TestClass<Chubby>();

}

public void MethodA<I>(I parameter1) where I : IComparable

{

parameter1.CompareTo(this);

}

public void MethodB(IComparable param1)

{

param1.CompareTo(this);

}

}

public class Testclass: IComparable

{

#region IComparable Members

public int CompareTo(object obj)

{

throw new Exception("The method or operation is not implemented.");

}

#endregion

}

public interface A

{

void method1();

void method2();

}

public interface B

{

void method1();

void method3();

void method4();

}

public class C

{

public void method1()

{

}

public void method3(){}

}

public class TestClass<T> where T:C,A,B,new()

{

public TestClass()

{

T aclass=new T();

aclass.method1();

aclass.method2();

aclass.method3();

aclass.method4();

}

}

public class Chubby: C,A,B

{

public Chubby()

{

}

public new void method1()

{}

public new void method3()

{ }

public void method2()

{

}

public void method4()

{

// throw new NotImplementedException();

}

}

}