Monitor GetMonitorBrightness Function
Monitor Configuration API |
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GetMonitorBrightness Function
Retrieves a monitor's minimum, maximum, and current brightness settings.
Syntax
BOOL GetMonitorBrightness( HANDLE hMonitor, LPDWORD pdwMinimumBrightness, LPDWORD pdwCurrentBrightness, LPDWORD pdwMaximumBrightness );
Parameters
hMonitor
[in] Handle to a physical monitor. To get the monitor handle, call GetPhysicalMonitorsFromHMONITOR or GetPhysicalMonitorsFromIDirect3DDevice9.
pdwMinimumBrightness
[out] Receives the monitor's minimum brightness.
pdwCurrentBrightness
[out] Receives the monitor's current brightness.
pdwMaximumBrightness
[out] Receives the monitor's maximum brightness.
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 40 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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