ObservableDictionary (C#)

Few weeks ago I posted an ObservableDictionary(Of TKey, TValue) in VB.NET, today I had some time to translate it to C# (not tested, just translated, kindly notice me for any error). using System;using System.Linq;using System.ComponentModel;using System.Collections.Generic;using System.Collections.Specialized; namespace System.Collections.ObjectModel{  class ObservableDictionary :