Method DacSession():isUsed() Professional
Check if the session is used by one or more work areas
:isUsed() --> lIsUsed
The method returns .T. (true) when a DacSession object is used by one or more work areas. Otherwise, .F. (false) is returned.
A DacSession object can be used by multiple work areas in different threads. To check whether a session is in use or can be safely closed, the method :isUsed() should be used.
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