HM_SET_COVERPAGE_SIZE - Syntax

This message is sent to IPF by the application to set the size of the coverpage, the window within which all other IPF windows are displayed.

param1
     PRECTL  coverpagerectl  /*  Pointer to RECTL containing the size of the coverpage. */

param2
     ULONG   ulReserved      /*  Reserved value, should be 0. */