ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMElement Class / LockedAspectRatio Property

LockedAspectRatio Property
Gets or sets a value indicating whether the aspect ratio for an element is locked. If locked, the width and height values stretch proportionally.
Syntax
public bool LockedAspectRatio {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also