toMultilayerSymbol

Gets a MultilayerPolylineSymbol from a SimpleLineSymbol. This method allows you to create complex and custom symbols with multiple layers of different types of symbology. Simple line symbol provides a factory of predefined line styles such as dash and dash_dot_dot. This method generates a MultilayerPolylineSymbol with a SolidStrokeSymbolLayer and a predefined collection of DashGeometricEffect.