DataSource :: closeDictionary - Close DictionaryHandle
Usually, an opened data source has an opened dictionary handle, which might be explicitly closed by calling this function.
Implementation details
DataSource  :: closeDictionary (  )
The function closes the dictionary and database handle opened for the data source as well as all subordinated database handles opened by the application. This includes closing the object spaces when being opened and closing subordinated property handles opened according to settings in accessPath() or by the application.

