System.ComponentModel.TypeDescriptor.TypeDescriptionNode.GetExtendedTypeDescriptor C# (CSharp) Méthode

            public override ICustomTypeDescriptor GetExtendedTypeDescriptor(object instance)
            {
                if (instance == null)
                {
                    throw new ArgumentNullException(nameof(instance));
                }

                return new DefaultExtendedTypeDescriptor(this, instance);
            }