This method is specific to version 2.1, or higher, of the OS/2 operating system.
This instance method performs the power management state change requests to the OS/2 Power Management Subsystem.
#define INCL_WINWORKPLACE
#include <os2.h>
WPPower *somSelf; /* Pointer to the object on which the method is being invoked. */
ULONG ulParm1; /* Parameter 1. */
ULONG ulparm2; /* Parameter 2. */
BOOL rc; /* Success indicator. */
rc = _wpChangePowerState(somSelf, ulParm1,
ulparm2);