Monitor Power

WM_SYSCOMMAND SC_MONITORPOWER values to put the display in low power, off, or on.

NULL NULL 0x0112|WM_SYSCOMMAND 0xF170|SC_MONITORPOWER 2

• 1 — the display is going to low power.
• 2 — the display is being shut off.
• -1 — the display is being turned on (undocumented value).