public MainWindow()
{
InitializeComponent();
GetData();
_mydele =
new MyDelegate(SetValue);
}
delegate void MyDelegate(
string msg);
MyDelegate _mydele;
Thread t;
private void button1_Click(
object sender, RoutedEventArgs e)
{
//MessageBoxResult key = MessageBox.Show("确定退出？", "温馨提示", MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No);
//if (MessageBox.Show("确定退出？", "温馨提示", MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.Yes)
//{
// MessageBox.Show("点了yes");
//}
t =
new Thread(
new ThreadStart(Run));
t.Start();
}
private void Run()
{
while (
true)
{
string msg = DateTime.Now.ToString() +
" " +
DateTime.Now.Millisecond.ToString();
this.Dispatcher.Invoke(_mydele,
new object[] { msg });
Thread.Sleep(1000);
}
}
private void SetValue(
string msg)
{
this.lbl.Content =
msg;
}
在WPF中Window类并没有Invoke方法,但是WPF提供了专门负责线程调度工作的Window.Dispatcher类,每个线程都有一个,我们在一个线程中要让另一个线程做事情,其实就是调用目标Dispatcher调度完成.
参考：http://blog.csdn.net/jiminull/article/details/7743441
转载于:https://www.cnblogs.com/wugang/archive/2013/03/21/2973327.html
