System.Collections.CollectionBase.Clear C# (CSharp) Method

        public void Clear() { }
        public System.Collections.IEnumerator GetEnumerator() { throw null; }

 private static void CleanCollection(CollectionBase collection)
 {
     collection.Clear();
       IDisposable disposable = collection as IDisposable;
       if (disposable != null)
     disposable.Dispose();
 }