ArcGIS Pro 2.9 API Reference Guide
ScaleFactor Property (FrameworkApplication)

ArcGIS.Desktop.Framework Namespace > FrameworkApplication Class : ScaleFactor Property
Get or sets the current user interface scaling factor.
Syntax
public static double ScaleFactor {get; set;}
Public Shared Property ScaleFactor As Double
Remarks
A valid value is between 1.0 and 2.0, the default is 1.0. Restart the program for your scale changes to take effect.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

See Also

Reference

FrameworkApplication Class
FrameworkApplication Members