Connect connects the user to or disconnects the user from a specified database.
dbvisual_connect_descriptor ptr to a structure

The Connect macro connects the user to or disconnects the user from a specified database. It provides a user interface to the DBconnect module, which performs the connect or disconnect.
A number of components of the Connect interface map to ports or parameters in the underlying modules of Connect. For information on those mappings, see The Toolkits Book .
A pointer to a connection descriptor for the connection that is being established or broken and the session being initiated or terminated.
This field maps to DBconnect.db_visual_connector .