GetMonitorContrast function

Applies to: desktop apps only

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

Syntax

BOOL GetMonitorContrast(
  __in   HANDLE hMonitor,
  __out  LPDWORD pdwMinimumContrast,
  __out  LPDWORD pdwCurrentContrast,
  __out  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

See also

Monitor Configuration Functions

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Build date: 2/3/2012