Monitor GetMonitorContrast Function 

Monitor Configuration API

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GetMonitorContrast Function

Retrieves a monitor's minimum, maximum, and current contrast settings.

Syntax

  BOOL GetMonitorContrast(
  HANDLE
    hMonitor,

    LPDWORD
    pdwMinimumContrast,

    LPDWORD
    pdwCurrentContrast,

    LPDWORD
    pdwMaximumContrast

  );

Parameters

hMonitor

[in]  Handle to a physical monitor. To get the monitor handle, call GetPhysicalMonitorsFromHMONITOR or GetPhysicalMonitorsFromIDirect3DDevice9.

pdwMinimumContrast

[out]  Receives the monitor's minimum contrast.

pdwCurrentContrast

[out]  Receives the monitor's current contrast.

pdwMaximumContrast

[out]  Receives the monitor's maximum contrast.

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_CONTRAST 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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