Which PDMS & Fix are you using?
I have tested it with AVEVA PDMS Draft Mk12.1.SP4.16 and if I query the attributes I get:
Attributes
Name HPATTERN 1 of FILLSTYLE 1 of FSTYTB 1 of STYLWL 1 of WORLD /*
Type HPATTE
Lock false
Owner FILLSTYLE 1 of FSTYTB 1 of STYLWL 1 of WORLD /*
HAngle 45degree
HSeparation 3mm
HOffset 0mm
HLStyle Solid
PatOffset 0mm
PatAdvance 0mm
Function unset