Returns an xcb_void_cookie_t. Errors (if any) have to be handled in the event loop.
If you want to handle errors directly with xcb_request_check instead, use xcb_dpms_force_level_checked. See xcb-requests(3) for details.
This request does never generate any errors.
Generated from dpms.xml. Contact firstname.lastname@example.org for corrections and improvements.
|libxcb 1.15||X Version 11|