ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMExtentIndicator Class / SymbolizeExterior Property

SymbolizeExterior Property
Gets or sets a value indicating whether the area symbol should be applied outside the extent.
Syntax
public bool SymbolizeExterior {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also