Enum ClassInterfaceType Path C++ Link System.Runtime.InteropServices.ClassInterfaceType, mscorlib underlying int32 mscorlib Values 3 NameValueHex None00x00AutoDispatch00x00AutoDual00x00 Used by 1types with a member, parameter or interface of this type ClassInterfaceAttribute // System.Runtime.InteropServices.ClassInterfaceType, mscorlib enum class ClassInterfaceType : int32 { None = 0, AutoDispatch = 0, AutoDual = 0, };