Automatically sets the current project, based on the current directory. Applies only to the VSS command-line program (SS.exe).
Force_Prj = {Yes|No|Ask}
Instructs VSS not to automatically change the current project:
Force_Prj = No
If you set Force_Prj = Yes, it is highly recommended that you do not give two projects the same working directory, because VSS won't know which project to switch into.
You can also set this variable in your SS.INI file by using the Assume Project Based on Working Directory option on the Command Line Options tab in the SourceSafe Options dialog box.