"Set Document Property" API Question

Hello,

I am trying to figure out the syntax for checking to see if a file has
been throught the Set Document Property process or not. I do not need
to change the property, just to find out if the part is a library part
(property state NO) or just a regular one.

(The application is available at C:\Program Files\SolidWorks\Toolbox
\data utilities\sldsetdocprop.exe)

I can't figure out the syntax at all. Are the following commands the
ones that will do this?
SwDMDocument::ToolboxPart /
swDmNotAToolboxPart /
swDmToolboxStandardPart / swDmToolboxCopiedPart

Any help or direction will be greately appreciated.
Thank you,
Vlad

 

A slight correction - The property state is YES when the part is
changed to a toolbox part. It is NO when it is converted back to a
regular part.