PAR Class

Geometry functions for parametric parts System looks for function public static void DLLParamParts() where you can register your parts
public static class PAR

.NET Framework

Supported in: 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8