System.Xml.DocumentSchemaValidator.CheckNodeSequenceCapacity C# (CSharp) Méthode

        private void CheckNodeSequenceCapacity(int currentIndex)
        {
            if (_nodeSequenceToValidate == null)
            { //Normally users would call Validate one level down, this allows for 4
                _nodeSequenceToValidate = new XmlNode[4];
            }
            else if (currentIndex >= _nodeSequenceToValidate.Length - 1)
            { //reached capacity of array, Need to increase capacity to twice the initial
                XmlNode[] newNodeSequence = new XmlNode[_nodeSequenceToValidate.Length * 2];
                Array.Copy(_nodeSequenceToValidate, 0, newNodeSequence, 0, _nodeSequenceToValidate.Length);
                _nodeSequenceToValidate = newNodeSequence;
            }
        }