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GetScaleFactorForDevice function

Gets the preferred scale factor for a display device.

Note  This function is not supported as of Windows 8.1. Use GetScaleFactorForMonitor instead.

Syntax


STDAPI_(DEVICE_SCALE_FACTOR) GetScaleFactorForDevice(
  _In_  DISPLAY_DEVICE_TYPE deviceType
);

Parameters

deviceType [in]

Type: DISPLAY_DEVICE_TYPE

The value that indicates the type of the display device.

Return value

Type: DEVICE_SCALE_FACTOR

A value that indicates the scale factor that should be used with the specified DISPLAY_DEVICE_TYPE.

Return code/valueDescription
SCALE_100_PERCENT
100

Use a scale factor of 1x.

SCALE_140_PERCENT
140

Use a scale factor of 1.4x.

SCALE_180_PERCENT
180

Use a scale factor of 1.8x.

 

Remarks

The default DEVICE_SCALE_FACTOR is SCALE_100_PERCENT.

Use the scale factor that is returned to scale point values for fonts and pixel values.

Requirements

Minimum supported client

Windows 8 [desktop apps only]

Minimum supported server

Windows Server 2012 [desktop apps only]

Header

ShellScalingAPI.h

DLL

Shcore.dll

See also

GetScaleFactorForMonitor
RegisterScaleChangeEvent
UnregisterScaleChangeEvent

 

 

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