Share information can be returned by the NetShareEnum and NetShareGetInfo functions at one of three levels of detail specified by the sLevel parameter (values 0, 1, or 2). NetShareAdd requires level 2 of detail. NetShareSetInfo can be called with either level 1 or level 2. NetShareCheck and NetShareDel do not use or return data structures.

The following data structures are associated with sLevel values 0, 1, and 2.