OneDbf:Open(lShared,lContinue,lNew): public: return true/false
  The databese is opened with its index files in the network environment.
  When succesfull returns true.

  Parameter description:
  ~~~~~~~~~~~~~~~~~~~~~~
  lShared: logical: default is true
   Default for shared database files opening in network environment.

  lContinue: logical: default is true
   If true, it can be continuing the program even if the files couldn't
   be opened. This must be confirmed by the user.
   This problem may arise in the network environment.

  lNew: logical: default is true
   If true the database is opened in the first empty workarea,
   otherwise it is opened in the active workarea.