Yea.Reflection.Emit.EnumBuilder.Create C# (CSharp) Method

        public virtual Type Create()
        {
            if (Builder == null)
                throw new InvalidOperationException(
                    "The builder object has not been defined. Ensure that Setup is called prior to Create");
            if (DefinedType != null)
                return DefinedType;
            DefinedType = Builder.CreateType();
            return DefinedType;
        }