ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMMarker Class / Size Property
Version

Size Property (CIMMarker)
Gets or sets the height of the marker. Modifying Size changes the marker's height to the specified size and the width is updated proportionally.
Syntax
public double Size {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also