Personal Communications Response

Personal Communications either returns the OIA in a DDE data message, or responds with one of these ACK messages:
  • WM_DDE_DATA(hData, aOIA)
  • WM_DDE_ACK(wStatus, aOIA)

If Personal Communications cannot return the OIA, one of the following status codes is returned in the low-order byte of the wStatus word:

Return Code Explanation
6 The specified format is not valid.
9 A system error occurred.