--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/Reflection/Extension/MemberExtensionCollection.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+
+namespace BLToolkit.Reflection.Extension
+{
+	public class MemberExtensionCollection : Dictionary<string,MemberExtension>
+	{
+		public new MemberExtension this[string memberName]
+		{
+			get
+			{
+				if (this == _null)
+					return MemberExtension.Null;
+
+				MemberExtension value;
+
+				return TryGetValue(memberName, out value) ? value : MemberExtension.Null;
+			}
+		}
+
+		public void Add(MemberExtension memberInfo)
+		{
+			if (this != _null)
+				Add(memberInfo.Name, memberInfo);
+		}
+
+		private static readonly MemberExtensionCollection _null = new MemberExtensionCollection();
+		public  static          MemberExtensionCollection  Null
+		{
+			get { return _null; }
+		}
+	}
+}