System.Xml.Schema.XmlSchemaValidator.Push C# (CSharp) Méthode

        private void Push(XmlQualifiedName elementName)
        {
            _context = (ValidationState)_validationStack.Push();
            if (_context == null)
            {
                _context = new ValidationState();
                _validationStack.AddToTop(_context);
            }
            _context.LocalName = elementName.Name;
            _context.Namespace = elementName.Namespace;
            _context.HasMatched = false;
            _context.IsNill = false;
            _context.IsDefault = false;
            _context.CheckRequiredAttribute = true;
            _context.ValidationSkipped = false;
            _context.Validity = XmlSchemaValidity.NotKnown;
            _context.NeedValidateChildren = false;
            _context.ProcessContents = _processContents;
            _context.ElementDeclBeforeXsi = null;
            _context.Constr = null; //resetting the constraints to be null incase context != null
                                    // when pushing onto stack;
        }