Is it a SubClass for another class

   
 
#region License
// Copyright 2006 James Newton-King
// http://www.newtonsoft.com
//
// This work is licensed under the Creative Commons Attribution 2.5 License
// http://creativecommons.org/licenses/by/2.5/
//
// You are free:
//    * to copy, distribute, display, and perform the work
//    * to make derivative works
//    * to make commercial use of the work
//
// Under the following conditions:
//    * You must attribute the work in the manner specified by the author or licensor:
//          - If you find this component useful a link to http://www.newtonsoft.com would be appreciated.
//    * For any reuse or distribution, you must make clear to others the license terms of this work.
//    * Any of these conditions can be waived if you get permission from the copyright holder.
#endregion

using System;
using System.Collections.Generic;
using System.Text;
using System.Reflection;
using System.Collections;
using System.ComponentModel;

namespace MySpace.Common.IO.JSON.Utilities
{
    internal static class ReflectionUtils
    {

        public static bool IsSubClass(Type type, Type check)
        {
            if (type == null || check == null)
                return false;

            if (type == check && type.IsGenericType)
                return true;

            if (check.IsInterface)
            {
                foreach (Type t in type.GetInterfaces())
                {
                    if (IsSubClass(t, check)) return true;
                }
            }
            if (type.IsGenericType && !type.IsGenericTypeDefinition)
            {
                if (IsSubClass(type.GetGenericTypeDefinition(), check))
                    return true;
            }
            return IsSubClass(type.BaseType, check);
        }

    }
}