Use FPenPatN instead. Function FPenPat returns the active pen pattern setting.
FUNCTION FPenPat : INTEGER;def vs.FPenPat():
return INTEGERCurrPenStyle:=FPenPat;CurrPenStyle = vs.FPenPat()FPenPatN, PenPatN from Vectorworks 2013
Availability: from All Versions, deprecated from Vectorworks 2013