private static void AppendRequirement(StringBuilder sb, DocExchangeRequirementEnum req, int level)
{
// new-style character (allows copy/paste into word without slowdown)
switch (req)
{
case DocExchangeRequirementEnum.Excluded:
sb.Append("X");
break;
case DocExchangeRequirementEnum.Mandatory:
sb.Append("R");
break;
case DocExchangeRequirementEnum.NotRelevant:
sb.Append("-");
break;
case DocExchangeRequirementEnum.Optional:
sb.Append("O");
break;
}
}