wpf jumplist demo

直接上代码。

/// <summary>/// MainWindow.xaml 的交互逻辑/// </summary>public partial class MainWindow : Window{[DllImport("user32.dll", CharSet = CharSet.Auto)]public static extern int RegisterWindowMessage(string msg);private HwndSource _HwndSource = null;private IntPtr _Handler = IntPtr.Zero;private readonly int Message1 = RegisterWindowMessage("Message_1");private readonly int Message2 = RegisterWindowMessage("Message_2");private readonly int Message3 = RegisterWindowMessage("Message_3");public MainWindow(){InitializeComponent();this.SourceInitialized += new EventHandler(MainWindow_SourceInitialized);this.Loaded += new RoutedEventHandler(MainWindow_Loaded);}void MainWindow_Loaded(object sender, RoutedEventArgs e){this.LoadJumpList(); }void MainWindow_SourceInitialized(object sender, EventArgs e){this._HwndSource = PresentationSource.FromVisual((Visual)sender) as HwndSource;this._Handler = this._HwndSource.Handle;this._HwndSource.AddHook(this.WindowProc);}public IntPtr WindowProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled){if (msg == Message1){MessageBox.Show("Message_1");}else if (msg == Message2){MessageBox.Show("Message_2");}else if (msg == Message3){MessageBox.Show("Message_3");}return IntPtr.Zero;}private void LoadJumpList(){JumpList jumpList = JumpList.GetJumpList(Application.Current);if (jumpList != null   && jumpList.JumpItems != null   && jumpList.JumpItems.Count > 0)jumpList.JumpItems.Clear();JumpTask jtNotpad = new JumpTask(){ApplicationPath = "notepad.exe",CustomCategory = "工具",Description = "记事本",Title = "记事本",IconResourcePath = "notepad.exe",IconResourceIndex = 0};JumpTask jtMsPaint = new JumpTask(){ApplicationPath = "mspaint.exe",CustomCategory = "工具",Description = "画图",Title = "画图",IconResourcePath = "mspaint.exe",IconResourceIndex = 0};JumpTask jtCalc = new JumpTask(){ApplicationPath = "calc.exe",CustomCategory = "工具",Description = "计算器",Title = "计算器",IconResourcePath = "calc.exe",IconResourceIndex = 0};int windowInt = this._Handler.ToInt32();JumpTask jtMessage1 = new JumpTask(){CustomCategory = "Message",Description = "Message1",Title = "Message1",ApplicationPath = Assembly.GetEntryAssembly().CodeBase,Arguments = windowInt + " " + Message1};JumpTask jtMessage2 = new JumpTask(){CustomCategory = "Message",Description = "Message2",Title = "Message2",ApplicationPath = Assembly.GetEntryAssembly().CodeBase,Arguments = windowInt + " " + Message2};JumpTask jtMessage3 = new JumpTask(){CustomCategory = "Message",Description = "Message3",Title = "Message3",ApplicationPath = Assembly.GetEntryAssembly().CodeBase,Arguments = windowInt + " " + Message3};if (jumpList == null)jumpList = new JumpList();jumpList.JumpItems.Add(jtNotpad);jumpList.JumpItems.Add(jtMsPaint);jumpList.JumpItems.Add(jtCalc);jumpList.JumpItems.Add(jtMessage1);jumpList.JumpItems.Add(jtMessage2);jumpList.JumpItems.Add(jtMessage3);jumpList.ShowFrequentCategory = true;jumpList.ShowRecentCategory = true;jumpList.Apply();this.ShowInTaskbar = true;}}

    /// <summary>    /// App.xaml 的交互逻辑    /// </summary>    public partial class App : Application    {        [DllImport("user32.dll", CharSet = CharSet.Auto)]        public static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);        public App()        {            string[] args = Environment.GetCommandLineArgs();            if (args.Length == 3)            {                //处理JumpList自定义按钮操作                int handler = Int32.Parse(args[1]);                uint msg = UInt32.Parse(args[2]);                if (handler != 0 && msg != 0)                {                    SendMessage((IntPtr)handler, msg, IntPtr.Zero, IntPtr.Zero);                }                Application.Current.Shutdown();                return;            }        }    }