Printer directory state.
It is used by the PrintersSettingAtt object for modify the printers setting. Each directory can be protected to prevent user access to the printers it contains.
The state could be "CATPrinterDirFree" or "CATPrinterDirProtect"
Values:
CATPrinterDirFree
The parameters of each printer included in the directory
can be changed, and the printers can be removed.
CATPrinterDirProtect
The parameters of each printer included in the directory
cannot be changed.