ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMCompositeCallout Class / CornerRadius Property
Version

CornerRadius Property
Gets or sets the callout corner radius in points. 0.0 corresponds to a rectangle corner.
Syntax
public double CornerRadius {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also