Interface example in c#-1

using System;
interface IParentInterface
{
   void ParentInterfaceMethod();
}
interface IMyInterface : IParentInterface
{
   void MethodToImplement();
}
class InterfaceImplementer : IMyInterface
{
   static void Main()
   {
      InterfaceImplementer iImp = new InterfaceImplementer();
      iImp.MethodToImplement();
   }
   public void MethodToImplement()
   {
      Console.WriteLine("MethodToImplement() called.");
   }
   public void ParentInterfaceMethod()
   {
      Console.WriteLine("ParentInterfaceMethod() called.");
   }
}