ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMChartTextProperties Class / FontSize Property

FontSize Property (CIMChartTextProperties)
Gets or sets the font size in points.
Syntax
public double FontSize {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.3 or higher.
See Also