XCB_DPMS_DPMS_MODE_STANDBY

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C)
alias XCB_DPMS_DPMS_MODE_STANDBY = xcb_dpms_dpms_mode_t.XCB_DPMS_DPMS_MODE_STANDBY

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