屏幕保护

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Visual C++

ScreensaverWindow.xaml.cs：源码内容

							﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using TwitterClient;
using System.Timers;
using System.Globalization;
namespace Screensaver1
{
    /// <summary>
    /// Interaction logic for Window1.xaml
    /// </summary>
    public partial class ScreensaverWindow : Window
    {
        Point? lastMousePosition;
        public static readonly DependencyProperty ScreensaverContentProperty =
                DependencyProperty.Register("ScreensaverContent", typeof(object), typeof(ScreensaverWindow), new UIPropertyMetadata(string.Empty));
        TwitterService twitterService;
        public ScreensaverWindow()
        {
            InitializeComponent();
            this.DataContext = this;
            twitterService = new TwitterService(Properties.Settings.Default.TwitterHashcode);
            twitterService.FeedItemChanged += new EventHandler<FeedItemEventArgs>(twitterService_FeedItemChanged);
            twitterService.Start();
        }
        void twitterService_FeedItemChanged(object sender, FeedItemEventArgs e)
        {
            this.Dispatcher.Invoke(new Action(() => this.ScreensaverContent = new FeedItemControl(e.Item)));
        }
        public object ScreensaverContent
        {
            get { return GetValue(ScreensaverContentProperty); }
            set { SetValue(ScreensaverContentProperty, value); }
        }
        protected override void OnKeyDown(KeyEventArgs e)
        {
            Close();
        }
        protected override void OnMouseDown(MouseButtonEventArgs e)
        {
            Close();
        }
        protected override void OnMouseMove(MouseEventArgs e)
        {
            Point currentMousePosition = e.MouseDevice.GetPosition(this);
            if (lastMousePosition.HasValue)
            {
                // Check if the mouse position has changed
                if (Math.Abs(lastMousePosition.Value.X - currentMousePosition.X) > 0 ||
                    Math.Abs(lastMousePosition.Value.Y - currentMousePosition.Y) > 0)
                {
                    Close();
                }
            }
            else
            {
                lastMousePosition = currentMousePosition;
            }
        }
    }
}

						