SetVCPFeature Function
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SetVCPFeature function

Sets the value of a Virtual Control Panel (VCP) code for a monitor.

Syntax


BOOL SetVCPFeature(
  _In_  HANDLE hMonitor,
  _In_  BYTE bVCPCode,
  _In_  DWORD dwNewValue
);

Parameters

hMonitor [in]

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

bVCPCode [in]

VCP code to set. The VCP codes are defined in the VESA Monitor Control Command Set (MCCS) standard, version 1.0 and 2.0. This parameter must specify a continuous or non-continuous VCP, or a vendor-specific code. It should not be a table control code.

dwNewValue [in]

Value of the VCP code.

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

This function corresponds to the "Set VCP Feature" command from the Display Data Channel Command Interface (DDC/CI) standard.

This function takes about 50 milliseconds to return.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

LowLevelMonitorConfigurationAPI.h

Library

Dxva2.lib

DLL

Dxva2.dll

See also

Monitor Configuration Functions

 

 

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