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

• Monitor Configuration Functions

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