Int 2F Fn CB05  - Communicating Applications Specification - Find First Q  [F]

   AX = CB05h
   CX = status of events to find
       0000h successful completion
       0001h waiting to be processed
       0002h number has been dialed
       0003h connection established, sending
       0004h connection established, receiving
       0005h event aborted
       FFFFh find any event, regardless of status
       other negative values, match error code
   DH = direction
       00h chronological order, earliest to latest
       01h reverse chronological order, latest to earliest
   DL = queue to search
       00h task queue
       01h receive queue
       02h log queue

Return: AX = 0000h successful
       BX = event handle for found event
   AX < 0     error code (see AX=CB01h)

See Also: AX=CB06h,AX=CB07h