Poll

Poll(commArea as Object) as Boolean

or

Poll(commArea as CclOBuf) as Boolean

commArea
A CclOBuffer object into which the returned COMMAREA will be placed. This parameter can be set to Nothing if no COMMAREA should be returned.
Indicates whether a reply has been received from a deferred synchronous Backout, Cancel, Changed, Commit, Link, or Status call request. This method is only valid for deferred synchronous communications. Possible values are:
True
A reply has been received.
False
A reply has not been received.