Personal Communications Response
If Personal Communications can perform the Set Session Advise Condition function, Personal Communications returns this ACK message:
WM_DDE_ACK(wStatus, aPSCOND)If Personal Communications cannot perform the Set Session Advise Condition function, then Personal Communications returns an negative ACK message containing one of the following return codes in the low-order byte of wStatus:
| Return Code | Explanation |
|---|---|
| 1 | Advise is already active. |
| 2 | Advise condition is already active. |
| 3 | PS position is not valid. |
| 4 | String length is not valid. |
| 6 | The specified format is not valid. |
| 9 | A system error occurred. |