ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMBalloonCallout Class / BackgroundSymbol Property
Version

BackgroundSymbol Property (CIMBalloonCallout)
Gets or sets the symbol used to draw the background.
Syntax
public CIMPolygonSymbol BackgroundSymbol {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also