idHotKey (USHORT)
The Hot Key Id value is set by the caller. Notice that ID value FFFFh is reserved and must not be used as a Hot Key ID. See Remarks in KBD_SETSESMGRHOTKEY.
A maximum of two of the above bit selections can be selected for a given hot key definition. If more than two bits are selected or if a reserved bit is selected, the result is an INVALID_PARAMETER error code returned to the caller.