Monitor SetMonitorBrightness Function
Monitor Configuration API |
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SetMonitorBrightness Function
Sets a monitor's brightness value. Increasing the brightness value makes the display on the monitor brighter, and decreasing it makes the display dimmer.
Syntax
BOOL SetMonitorBrightness( HANDLE hMonitor, DWORD dwNewBrightness );
Parameters
hMonitor
[in] Handle to a physical monitor. To get the monitor handle, call GetPhysicalMonitorsFromHMONITOR or GetPhysicalMonitorsFromIDirect3DDevice9.
dwNewBrightness
[in] Brightness value. To get the monitor's minimum and maximum brightness values, call GetMonitorBrightness.
Return Value
If the function succeeds, the return value is TRUE. If the function fails, the return value is FALSE. To get extended error information, call GetLastError.
Remarks
If this function is supported, the GetMonitorCapabilities function returns the MC_CAPS_BRIGHTNESS flag.
This function takes about 50 milliseconds to return.
The brightness setting is a continuous monitor setting. For more information, see Using the High-Level Monitor Configuration Functions.
Requirements
Client: Requires Windows Vista.
Header: Include HighLevelMonitorConfigurationAPI.h.
Library: Use dxva2.lib.
See Also
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