/// <summary> /// MainWindow.xaml 的交互逻辑 /// </summary> public partial class MainWindow : Window { SynchronizationContext _uiContext = SynchronizationContext.Current; public MainWindow() { InitializeComponent(); } private void Button_Click(object sender, RoutedEventArgs e) { ThreadPool.QueueUserWorkItem(new WaitCallback(this.Start)); } public void Start(object stat) { //工作线程 for (int i = 0; i < 10; i++) { Thread.Sleep(1000); this._uiContext.Post(this.UpdateUI, "line:" + i.ToString()); } } public void UpdateUI(object stat) { //UI线程 this.lst.Items.Add(stat.ToString()); } }