'宣言
<Foundation.RegisterAttribute("UILabel", True)> Public Class ChartTooltip Inherits UIKit.UILabel Implements Foundation.INSCoding, Foundation.INSObjectProtocol, ObjCRuntime.INativeObject, UIKit.IUIAccessibilityIdentification, UIKit.IUIAppearance, UIKit.IUIAppearanceContainer, UIKit.IUICoordinateSpace, UIKit.IUIDynamicItem, UIKit.IUITraitEnvironment
[Foundation.Register("UILabel", true)] public class ChartTooltip : UIKit.UILabel, Foundation.INSCoding, Foundation.INSObjectProtocol, ObjCRuntime.INativeObject, UIKit.IUIAccessibilityIdentification, UIKit.IUIAppearance, UIKit.IUIAppearanceContainer, UIKit.IUICoordinateSpace, UIKit.IUIDynamicItem, UIKit.IUITraitEnvironment