Personal Communications Response

Personal Communications receives the string data and sends them to the presentation space, and returns a positive ACK message.

If the presentation space does not accept the string data, Personal Communications returns a negative ACK message containing one of the following status codes in the low-order byte of the wStatus word:
WM_DDE_ACK(wStatus, aEPS)
Return Code Explanation
1 PS position is not valid.
2 Length is not valid.
3 The value of EOF flag is not valid.
5 Input to the target PS was inhibited.
6 The specified format is not valid.
7 The string was truncated (successful putting).
9 A system error occurred.