From 2e01d82d78c83285c16240b33aa084d1fb950301 Mon Sep 17 00:00:00 2001
From: Chris Cameron <chris.cameron@wedoresi.com>
Date: Mon, 26 Mar 2018 17:35:56 -0400
Subject: [PATCH] Adding OrderByDescending shim

---
 .../Extensions/EnumerableExtensions.cs        | 22 +++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/ICD.Common.Utils/Extensions/EnumerableExtensions.cs b/ICD.Common.Utils/Extensions/EnumerableExtensions.cs
index 59bf4a9..5233bd5 100644
--- a/ICD.Common.Utils/Extensions/EnumerableExtensions.cs
+++ b/ICD.Common.Utils/Extensions/EnumerableExtensions.cs
@@ -500,7 +500,7 @@ namespace ICD.Common.Utils.Extensions
 		/// <typeparam name="T"></typeparam>
 		/// <param name="extends"></param>
 		/// <returns></returns>
-		public static IEnumerable<T> Order<T>(this IEnumerable<T> extends)
+		public static IOrderedEnumerable<T> Order<T>(this IEnumerable<T> extends)
 		{
 			if (extends == null)
 				throw new ArgumentNullException("extends");
@@ -515,7 +515,7 @@ namespace ICD.Common.Utils.Extensions
 		/// <param name="extends"></param>
 		/// <param name="comparer"></param>
 		/// <returns></returns>
-		public static IEnumerable<T> OrderBy<T>(this IEnumerable<T> extends, IComparer<T> comparer)
+		public static IOrderedEnumerable<T> OrderBy<T>(this IEnumerable<T> extends, IComparer<T> comparer)
 		{
 			if (extends == null)
 				throw new ArgumentNullException("extends");
@@ -526,6 +526,24 @@ namespace ICD.Common.Utils.Extensions
 			return extends.OrderBy(i => i, comparer);
 		}
 
+		/// <summary>
+		/// Shorthand for ordering the given sequence with the given comparer.
+		/// </summary>
+		/// <typeparam name="T"></typeparam>
+		/// <param name="extends"></param>
+		/// <param name="comparer"></param>
+		/// <returns></returns>
+		public static IOrderedEnumerable<T> OrderByDescending<T>(this IEnumerable<T> extends, IComparer<T> comparer)
+		{
+			if (extends == null)
+				throw new ArgumentNullException("extends");
+
+			if (comparer == null)
+				throw new ArgumentNullException("comparer");
+
+			return extends.OrderByDescending(i => i, comparer);
+		}
+
 		/// <summary>
 		/// Returns every item in the sequence except the given item.
 		/// </summary>