Personal Communications Response

When receiving the Set Mouse Intercept Condition request, Personal Communicationsreturns an ACK message if it can set the intercept condition to the specified status. Otherwise, a negative ACK message is returned to the client with one of the following return codes in the low-order byte of the wStatus field:
WM_DDE_ACK(wStatus, aMOUSE)
Return Code Explanation
2 A character in Condition parameter is not valid.
6 The specified format is not valid.
9 A system error occurred.