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. |