HM_SET_SHOW_PANEL_ID - Syntax

This message tells the Help Manager to display, hide, or toggle the window identity for each help window displayed.

param1
    USHORT  fsShowPanelId  /*  The show window identity indicator. */

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

rc
    ULONG   rc             /*  Return code. */