ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMChartFillSymbolProperties Class / Opacity Property
Version

Opacity Property
Gets or sets the transparency level of histogram bars.
Syntax
public int Opacity {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also