SPI_SETSCREENSAVETIMEOUT top-level constant Null safety
Sets the screen saver time-out value to the value of the uiParam parameter. This value is the amount of time, in seconds, that the system must be idle before the screen saver activates.
If the machine has entered power saving mode or system lock state, an ERROR_OPERATION_IN_PROGRESS exception occurs.
const SPI_SETSCREENSAVETIMEOUT = 0x000F;