System.Xml.Serialization.XmlSerializationReader.EnsureArrayIndex C# (CSharp) Method

        protected Array EnsureArrayIndex(Array a, int index, Type elementType)
        {
            if (a == null) return Array.CreateInstance(elementType, 32);
            if (index < a.Length) return a;
            Array b = Array.CreateInstance(elementType, a.Length * 2);
            Array.Copy(a, b, index);
            return b;
        }