System.ComponentModel.MaskedTextProvider.FindUnassignedEditPositionFrom C# (CSharp) Method

        public int FindUnassignedEditPositionFrom(int position, bool direction)
        {
            int startPosition;
            int endPosition;

            if (direction == forward)
            {
                startPosition = position;
                endPosition = _testString.Length - 1;
            }
            else
            {
                startPosition = 0;
                endPosition = position;
            }

            return FindEditPositionInRange(startPosition, endPosition, direction, editUnassigned);
        }