<metro>UI3

        Windows.UI提供一个Metro样式的应用程序，访问核心系统功能和运行时信息，Color提供色彩的设置。  

        Windows.UI.Application.Settings提供给开发人员对Windows窗口设置的空间。

        Windows.UI.Core支持创建和管理应用程序的窗口/窗口交互，以及处理输入事件在窗户上。CoreDispatcher这种类型的实例负责处理窗口消息和调度事件给客户端。CoreWindow定义一个窗口对象和它的输入事件以及基本的用户界面的行为.

        Windows.UI.Notifications包含类封装tile/toast/badge徽章的通知。Windows.UI.Popups支持上下文菜单和消息对话框。MessageDialog对话框/PopupMenu上下文菜单/UICommand命令行。Windows.UI.Text支持使用文本内容。例题6如下。

var Notifications = Windows.UI.Notifications;

var badgeXml = Notifications.BadgeUpdateManager.getTemplateContent(Notifications.BadgeTemplateType.badgeNumber);
var badgeAttributes = badgeXml.getElementsByTagName("badge");
badgeAttributes[0].setAttribute("value", "alert");

// Create a badge notification from XML
var badgeNotification = new Notifications.badgeNotification(badgeXml);

        Ui Automation，Windows.UI.Xaml.Automation支持自动化的基础设施.

        Windows.UI.Xaml.Automation.Peers空间包含自动化的同行们控制和基类。ButtonAutomationPeer暴露按钮的自动化。
        Windows.UI.Xaml.Automation.Text包含枚举/报告说明文本自动化模式。

         User interaction用户交换。Windows.UI.Input支持Windows输入系统。DraggingEventArgs数据拖动事件。MouseWheelParameters提供属性和按钮相关联的鼠标设备。PointerPoint鼠标指针。

        Windows.UI.Xaml.Input定义输入和输出事件基础设置为各种应用程序和用户界面元素。InputScope描叙信息的范围有关的数据提供的输入法。

String queryPointer(PointerRoutedEventArgs e)
        {
            Windows.UI.Input.PointerPoint currentPoint = e.GetCurrentPoint(targetContainer);
            String details = "";
            switch (e.Pointer.PointerDeviceType)
            {
                case Windows.Devices.Input.PointerDeviceType.Mouse:
                    details += "\nPointer type: mouse";
                    break;
                case Windows.Devices.Input.PointerDeviceType.Pen:
                    details += "\nPointer type: pen";
                    if (e.Pointer.IsInContact)
                    {
                        details += "\nPressure: " + currentPoint.Properties.Pressure;
                        details += "\nrotation: " + currentPoint.Properties.Orientation;
                        details += "\nTilt X: " + currentPoint.Properties.XTilt;
                        details += "\nTilt Y: " + currentPoint.Properties.YTilt;
                        details += "\nBarrel button pressed: " + currentPoint.Properties.IsBarrelButtonPressed;
                    }
 break;
                case Windows.Devices.Input.PointerDeviceType.Touch:
                    details += "\nPointer type: touch";
                    details += "\nrotation: " + currentPoint.Properties.Orientation;
                    details += "\nTilt X: " + currentPoint.Properties.XTilt;
                    details += "\nTilt Y: " + currentPoint.Properties.YTilt;
                    break;
                default:
                    details += "\nPointer type: n/a";
                    break;
            }

            GeneralTransform gt = targetContainer.TransformToVisual(page);
            Point screenPoint;

            screenPoint = gt.TransformPoint(new Point(currentPoint.Position.X, currentPoint.Position.Y));
            details += "\nPointer Id: " + currentPoint.PointerId.ToString() +
                "\nPointer location (parent): " + currentPoint.Position.X + ", " + currentPoint.Position.Y +
                "\nPointer location (screen): " + screenPoint.X + ", " + screenPoint.Y;
            return details;
        }