<Window x:Class="DispatcherExam.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525">
<Grid>
<StackPanel>
<Label x:Name="lblHello">欢迎你光临WPF的世界!</Label>
<Button Name="btnThd" Click="btnThd_Click">多线程同步调用</Button>
<Button Name="btnAppBeginInvoke" Click="btnAppBeginInvoke_Click" >BeginInvoke 异步调用</Button>
</StackPanel>
</Grid>
</Window>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
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 System.Windows.Threading;
namespace DispatcherExam
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
this.Dispatcher.Thread.Name = "MainThread";
}
private void btnThd_Click(object sender, RoutedEventArgs e)
{
Thread th = new Thread(ModifyUI);
th.Name = "SubThread";
th.Start();
}
private void ModifyUI()
{
// 模拟一些工作正在进行
Thread.Sleep(TimeSpan.FromSeconds(2));
//lblHello.Content = "欢迎你光临WPF的世界,Dispatcher";
MessageBox.Show(this.Dispatcher.Thread.Name); //MainThread
this.Dispatcher.Invoke(DispatcherPriority.Normal, (ThreadStart)delegate()
{
lblHello.Content = "欢迎你光临WPF的世界,Dispatche 同步方法 ！！";
});
}
private void btnAppBeginInvoke_Click(object sender, RoutedEventArgs e)
{
new Thread(() =>
{
Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.Normal,
new Action(() =>
{
Thread.Sleep(TimeSpan.FromSeconds(2));
this.lblHello.Content = "欢迎你光临WPF的世界,Dispatche 异步方法！！" + DateTime.Now.ToString();
}));
}).Start();
}
}
}