protected override string BuildStringSTEP()
{
string str = base.BuildStringSTEP() + ",(";
if (mUnits.Count > 0)
{
str += ParserSTEP.LinkToString(mUnits[0]);
for (int icounter = 1; icounter < mUnits.Count; icounter++)
str += "," + ParserSTEP.LinkToString(mUnits[icounter]);
}
return str + ")";
}