Set the display power-saving mode
int PgSetDPMSMode (int mode );
This function sets the display power-saving mode based on VESA Display Power Management System standards.
|0||On||The display is in full operation (Video:Active, Horizontal: Sync Pulses, Vertical: Sync Pulses)|
|1||Stand-by||An optional state of minimal power reduction with shortest display recovery time (Video: Blanked, Horizontal Sync: off, Vertical Sync: Pulses)|
|2||Suspend||A state with substantial power reduction, but the display recovery time can be longer than that of the stand-by state (Video: Blanked, Horizontal Sync: Pulses, Vertical Sync: off)|
|4||Off||The display is consuming the lowest level of power and is nonoperational (Video: Blanked, Horizontal Sync: off, Vertical Sync: off)|