The EnableWmUniqueFirstPage method enables that the watermark on the first printed page can be different from the watermarks on the other printed pages.
EnableWmUniqueFirstPage (pDevMode As Long) As Boolean
Input value:pDevMode - handle to the BlackIceDEVMODE structure.
Return value - TRUE on success, otherwise FALSE
NOTE: For 32-bit applications, use pDevMode as Integer, instead of Long.