Get the type that declares the current nested type or generic type parameter in CSharp

//  w  ww .  j a  v a 2  s  .co m
using System;
using System.Reflection;

public abstract class dtype 
{

    public abstract class MyClassA 
    {
        public abstract int m(); 
    }

    public abstract class MyClassB : MyClassA 
    {
    }

    public static void Main(string[] args) 
    { 
        Console.WriteLine("The declaring type of m is {0}.",
            typeof(MyClassB).GetMethod("m").DeclaringType);
    }
}