ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / SymbolStyleItem Class / SymbolPatchType Property

SymbolPatchType Property
Gets and sets the shape of the symbol patch to generate for the preview symbol
Syntax
public SymbolPatchType SymbolPatchType {get; set;}
Remarks
Symbol patch types are currently only supported for line and polygon symbols. Assigning an incompatible patch type (e.g. a line patch type to a point or polygon) results in the patch type being ignored when the preview symbol is generated.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.7 or higher.
See Also