System.Collections.EmptyReadOnlyDictionaryInternal.CopyTo C# (CSharp) Method

        public void CopyTo(Array array, int index)  {
            if (array==null)
                throw new ArgumentNullException("array");

            if (array.Rank != 1)
                throw new ArgumentException(Environment.GetResourceString("Arg_RankMultiDimNotSupported"));

            if (index < 0)
                    throw new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));

            if ( array.Length - index < this.Count ) 
                throw new ArgumentException( Environment.GetResourceString("ArgumentOutOfRange_Index"), "index");

            // the actual copy is a NOP
        }