BoC.ComponentModel.TypeExtension.ExtendedTypeDescriptor.GetProperties C# (CSharp) Method

        public override PropertyDescriptorCollection GetProperties()
        {
            using (Profiler.StartContext("ExtendedTypeDescriptor.GetProperties() for {0}", componentType))
            return new PropertyDescriptorCollection(
                base.GetProperties().Cast<PropertyDescriptor>()
                    .Union(TypeDescriptor.GetAttributes(componentType)
                               .OfType<ExtendWithTypeAttribute>()
                               .SelectMany(et =>
                                           from prop in TypeDescriptor.GetProperties(et.With).Cast<PropertyDescriptor>()
                                           select new ExtendedPropertyDescriptor(prop, et.With)
                               )).ToArray());
        }