Collections Data Structure C#

//The MIT License (MIT)
//http://arolibraries.codeplex.com/license
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading;
namespace AroLibraries.ExtensionMethods.Enumerable
{
    public static class IEnumerableExt
    {
        /// 
        /// 
        /// 

        /// 
        /// 
        /// 
        /// 
        /// 
        public static IEnumerable Ext_WhereIf(this IEnumerable source, bool condition, Func predicate)
        {
            if (condition)
                return source.Where(predicate);
            else
                return source;
        }
        public static IEnumerable Ext_WhereIf(this IEnumerable source, bool condition, Func predicate)
        {
            if (condition)
                return source.Where(predicate);
            else
                return source;
        }
   }
}