cs代码

using System;using System.Collections.Generic;using System.Linq;using System.Net;using System.Windows;using System.Windows.Controls;using System.Windows.Documents;using System.Windows.Input;using System.Windows.Media;using System.Windows.Media.Animation;using System.Windows.Shapes;using System.Windows.Threading;namespace FullScreen{    public partial class MainPage : UserControl    {        Analytics myAnalytics;        public MainPage()        {            InitializeComponent();            Loaded += new RoutedEventHandler(MainPage_Loaded);            Application.Current.Host.Content.FullScreenChanged += new EventHandler(Content_FullScreenChanged);        }        void MainPage_Loaded(object sender, RoutedEventArgs e)        {            myAnalytics = new Analytics();            DispatcherTimer timer = new DispatcherTimer();            timer.Interval = TimeSpan.FromSeconds(1);            timer.Tick += new EventHandler(timer_Tick);            timer.Start();        }        void timer_Tick(object sender, EventArgs e)        {            txtCPULoad.Text = myAnalytics.AverageProcessorLoad.ToString();            txtSLCPULoad.Text = myAnalytics.AverageProcessLoad.ToString();        }        void Content_FullScreenChanged(object sender, EventArgs e)        {            var content = Application.Current.Host.Content;            if (content.IsFullScreen)            {                btnFull.Background = new SolidColorBrush(Colors.Yellow);                LayoutRoot.Background = new SolidColorBrush(Colors.Yellow);            }            else            {                btnFull.Background = new SolidColorBrush(Colors.Red);                LayoutRoot.Background = new SolidColorBrush(Colors.Red);            }        }        private void btnFull_Click(object sender, RoutedEventArgs e)        {            var content = Application.Current.Host.Content;            if (!content.IsFullScreen)            {                content.IsFullScreen = !content.IsFullScreen;                btnFull.Content = "还原";            }            else            {                content.IsFullScreen = !content.IsFullScreen;                btnFull.Content = "全屏";            }        }    }}