ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMTableField Class / Width Property

Width Property (CIMTableField)
Gets or sets the width of field. A value of 0 indicates "auto size".
Syntax
public double Width {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.1 or higher.
See Also