Opc.Ua.ContentFilter.InList C# (CSharp) Method

        private bool? InList(FilterContext context, IFilterTarget target, ContentFilterElement element)
        {
            FilterOperand[] operands = GetOperands(element, 0);

            object value = GetValue(context, operands[0], target);

            // check for a match.
            for (int ii = 1; ii < operands.Length; ii++)
            {                
                object lhs = value;
                object rhs = GetValue(context, operands[ii], target);

                DoImplicitConversion(ref lhs, ref rhs);

                if (IsEqual(lhs, rhs))
                {
                    return true;
                }
            }

            // no match.
            return false;
        }