dynamic NSUserDefaults for MonoMac

UserSettings.cs

using System;
using System.Dynamic;
using MonoMac.Foundation;

namespace CodeCube
{
	public class UserSettings : DynamicObject
	{
		NSUserDefaults defaults = NSUserDefaults.StandardUserDefaults;

		public override bool TryGetMember(GetMemberBinder binder, out object result)
		{
			result = defaults.ValueForKey(new NSString(binder.Name));

			return result != null;
		}
		
		public override bool TrySetMember(SetMemberBinder binder, object value)
		{
			defaults.SetValueForKey(NSObject.FromObject(value), new NSString(binder.Name));
			return true;
		}
	}
}