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GetMonitorRedGreenOrBlueGain function

Retrieves a monitor's red, green, or blue gain value.

Syntax


BOOL GetMonitorRedGreenOrBlueGain(
  _In_   HANDLE hMonitor,
  _In_   MC_GAIN_TYPE gtGainType,
  _Out_  LPDWORD pdwMinimumGain,
  _Out_  LPDWORD pdwCurrentGain,
  _Out_  LPDWORD pdwMaximumGain
);

Parameters

hMonitor [in]

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

gtGainType [in]

A member of the MC_GAIN_TYPE enumeration, specifying whether to retrieve the red, green, or blue gain value.

pdwMinimumGain [out]

Receives the minimum red, green, or blue gain value.

pdwCurrentGain [out]

Receives the current red, green, or blue gain value.

pdwMaximumGain [out]

Receives the maximum red, green, or blue gain value.

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

Gain settings are generally used to adjust the monitor's white point.

If this function is supported, the GetMonitorCapabilities function returns the MC_CAPS_RED_GREEN_BLUE_GAIN flag.

This function takes about 40 milliseconds to return.

The gain settings are continuous monitor settings. For more information, see Using the High-Level Monitor Configuration Functions.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

HighLevelMonitorConfigurationAPI.h

Library

Dxva2.lib

DLL

Dxva2.dll

See also

Monitor Configuration Functions
GetMonitorRedGreenOrBlueDrive

 

 

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