IfcDoc.DocumentationISO.FormatRequirements C# (CSharp) Method

        private static string FormatRequirements(DocTemplateUsage eachusage, DocModelView docModel, bool showexchanges)
        {
            if (eachusage.Exchanges == null || eachusage.Exchanges.Count == 0 && (eachusage.Items.Count == 0 || eachusage.Definition.Type == ""))
                return null; // don't show if no rules or exchanges

            //if (!Properties.Settings.Default.Requirement)
            //    return String.Empty;

            StringBuilder sb = new StringBuilder();

            if (showexchanges && docModel.Exchanges.Count > 0)
            {
                sb.AppendLine("<table class=\"exchange\">");

                sb.AppendLine("<tr>");
                sb.AppendLine("<th>Exchange</th>");
                foreach (DocExchangeDefinition docExchange in docModel.Exchanges)
                {
                    sb.Append("<th><a href=\"../../views/");
                    sb.Append(MakeLinkName(docModel));
                    sb.Append("/");
                    sb.Append(MakeLinkName(docExchange));
                    sb.Append(".htm\"><img width=\"16\" src=\"../../../img/mvd-");
                    sb.Append(MakeLinkName(docExchange));
                    sb.Append(".png\" title=\"");
                    sb.Append(docExchange.Name);
                    sb.Append("\"/></a></th>");
                    sb.AppendLine();
                }
                sb.AppendLine("</tr>");

                sb.AppendLine("<tr>");
                sb.AppendLine("<td>Import</td>");
                foreach (DocExchangeDefinition docExchange in docModel.Exchanges)
                {
                    sb.Append("<td>");
                    foreach (DocExchangeItem dti in eachusage.Exchanges)
                    {
                        if (dti.Exchange == docExchange && dti.Applicability == DocExchangeApplicabilityEnum.Import)
                        {
                            AppendRequirement(sb, dti.Requirement, 3);
                        }
                    }
                    sb.Append("</td>");
                    sb.AppendLine();
                }
                sb.AppendLine("</tr>");

                sb.AppendLine("<tr>");
                sb.AppendLine("<td>Export</td>");
                foreach (DocExchangeDefinition docExchange in docModel.Exchanges)
                {
                    sb.Append("<td>");
                    foreach (DocExchangeItem dti in eachusage.Exchanges)
                    {
                        if (dti.Exchange == docExchange && dti.Applicability == DocExchangeApplicabilityEnum.Export)
                        {
                            AppendRequirement(sb, dti.Requirement, 3);
                        }
                    }
                    sb.Append("</td>");
                    sb.AppendLine();
                }
                sb.AppendLine("</tr>");

                sb.AppendLine("</table>");
            }

            return sb.ToString();
        }