Personal Communications Response

If the function is successful, it will respond with a WM_DDE_DATA message with information as described above. If it fails, it will return with a WM_DDE_ACK(wStatus, aFIELD). A result value is returned in the low-order byte of the wStatus word. The following return codes are valid:

Return Code Explanation
0x0001 PS position is not valid.
0x0002 PS is unformatted.
0x0006 The specified format is not valid.
0x0009 A system error occurred.