System.ComponentModel.DebugExtendedPropertyDescriptor.GetChildProperties C# (CSharp) Method

        public override PropertyDescriptorCollection GetChildProperties(object instance, Attribute[] filter) {
            if (instance == null) {
                return DebugTypeDescriptor.GetProperties(PropertyType, filter);
            }
            else {
                return DebugTypeDescriptor.GetProperties(instance, filter);
            }
        }