How are these 2 propeties used, and what does sldsetdocpropdo?
It appears to only set IsToolboxPart. How can you mass setIsFastener?

Is IsToolboxPart only used in PdmWorks?
Is IsFastener only used in section views?
Do I need to add the IsFstener prop to my toolbox parts createdwith SW2004?

SolidworksToolbox