Personal Communications Response

Personal Communications either returns the system configuration data item in a DDE DATA message, or responds with one of these ACK messages containing status information:
  • WM_DDE_DATA(hData, aSYSCON)
  • WM_DDE_ACK(wStatus, aSYSCON)
If Personal Communications cannot return the system configuration, a DDE ACK message will be returned with an error code in the low-order byte of the wStatus word:
WM_DDE_ACK(wStatus, aSYSCON)
Return Code Explanation
9 A system error occurred.