MonoTouch.Dialog.RadioElement.GetCell C# (CSharp) Method

		public override UITableViewCell GetCell (UITableView tv)
		{
			var cell = base.GetCell (tv);			
			var root = (RootElement) Parent.Parent;
			
			if (!(root.group is RadioGroup))
				throw new Exception ("The RootElement's Group is null or is not a RadioGroup");
			
			bool selected = RadioIdx == ((RadioGroup)(root.group)).Selected;
			cell.Accessory = selected ? UITableViewCellAccessory.Checkmark : UITableViewCellAccessory.None;

			return cell;
		}