Edit

SetMonitorDisplayAreaSize function (highlevelmonitorconfigurationapi.h)

  • Article

Warning

The physical monitor configuration functions work using the VESA Monitor Control Command Set (MCCS) standard over an I2C interface. Many monitors don't fully implement that standard; so your use of these commands might result in undefined monitor behavior. We don't recommend using these functions for arbitrary monitors without physically validating that they work as intended.

Sets the width or height of a monitor's display area.

Syntax

_BOOL SetMonitorDisplayAreaSize(
  [in] HANDLE       hMonitor,
  [in] MC_SIZE_TYPE stSizeType,
  [in] DWORD        dwNewDisplayAreaWidthOrHeight
);

Parameters

[in] hMonitor

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

[in] stSizeType

A member of the MC_SIZE_TYPE enumeration, specifying whether to set the width or the height.

[in] dwNewDisplayAreaWidthOrHeight

Display area width or height. To get the minimum and maximum width and height, call GetMonitorDisplayAreaSize.

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_DISPLAY_AREA_SIZE flag.

This function takes about 50 milliseconds to return.

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

Requirements

Requirement Value
Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Target Platform Windows
Header highlevelmonitorconfigurationapi.h
Library Dxva2.lib
DLL Dxva2.dll

See also

Monitor Configuration Functions