/// <summary>
        /// Tests the express where-clause specified in param 'clause'
        /// </summary>
        /// <param name="clause">The express clause to test</param>
        /// <returns>true if the clause is satisfied.</returns>
        public bool ValidateClause(IfcFillAreaStyleHatchingClause clause)
        {
            var retVal = false;

            try
            {
                switch (clause)
                {
                case IfcFillAreaStyleHatchingClause.WR21:
                    retVal = !(Functions.TYPEOF(StartOfNextHatchLine).Contains("IFC2X3.IFCTWODIRECTIONREPEATFACTOR"));
                    break;

                case IfcFillAreaStyleHatchingClause.WR22:
                    retVal = !(Functions.EXISTS(PatternStart)) || (PatternStart.Dim == 2);
                    break;

                case IfcFillAreaStyleHatchingClause.WR23:
                    retVal = !(Functions.EXISTS(PointOfReferenceHatchLine)) || (PointOfReferenceHatchLine.Dim == 2);
                    break;
                }
            } catch (Exception ex) {
                var log = Validation.ValidationLogging.CreateLogger <Xbim.Ifc2x3.PresentationAppearanceResource.IfcFillAreaStyleHatching>();
                log?.LogError(string.Format("Exception thrown evaluating where-clause 'IfcFillAreaStyleHatching.{0}' for #{1}.", clause, EntityLabel), ex);
            }
            return(retVal);
        }
        /// <summary>
        /// Tests the express where-clause specified in param 'clause'
        /// </summary>
        /// <param name="clause">The express clause to test</param>
        /// <returns>true if the clause is satisfied.</returns>
        public bool ValidateClause(IfcFillAreaStyleHatchingClause clause)
        {
            var retVal = false;

            try
            {
                switch (clause)
                {
                case IfcFillAreaStyleHatchingClause.PatternStart2D:
                    retVal = !(Functions.EXISTS(PatternStart)) || (PatternStart.Dim == 2);
                    break;

                case IfcFillAreaStyleHatchingClause.RefHatchLine2D:
                    retVal = !(Functions.EXISTS(PointOfReferenceHatchLine)) || (PointOfReferenceHatchLine.Dim == 2);
                    break;
                }
            } catch (Exception ex) {
                var log = Validation.ValidationLogging.CreateLogger <Xbim.Ifc4.PresentationAppearanceResource.IfcFillAreaStyleHatching>();
                log?.LogError(string.Format("Exception thrown evaluating where-clause 'IfcFillAreaStyleHatching.{0}' for #{1}.", clause, EntityLabel), ex);
            }
            return(retVal);
        }