Updated to support IIP v3.3

Esiur/Data/StringKeyList.cs

@@ -1,10 +1,35 @@
-using System;
+/*
+ 
+Copyright (c) 2017 Ahmed Kh. Zamil
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+*/
+
+using System;
 using System.IO;
 using System.Collections;
 using System.Collections.Generic;
 using System.Security.Cryptography;
 using System.Text;
 using System.Reflection;
+using System.Linq;
 
 namespace Esiur.Data
 {
@@ -64,15 +89,16 @@ namespace Esiur.Data
             {
                 var key = Key.ToLower();
 
-                if (OnModified != null)
-                    OnModified(Key, value);
+                var toRemove = m_Variables.Where(x => x.Key.ToLower() == key);
 
+                foreach (var item in toRemove)
+                    m_Variables.Remove(item);
 
-                foreach (var kv in m_Variables)
-                    if (kv.Key.ToLower() == key)
-                        m_Variables.Remove(kv);
 
                 m_Variables.Add(new KeyValuePair<string, string>(Key, value));
+
+                OnModified?.Invoke(Key, value);
+
             }
         }