MainWindow.xaml.cs

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using System;
using System.Collections.Generic;
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.Shapes;
using System.Timers;

namespace WpfApplication1
{
	/// <summary>
	/// MainWindow.xaml 的交互逻辑
	/// </summary>
	public partial class MainWindow : Window
	{
		public MainWindow()
		{
			this.InitializeComponent();

			// 在此点下面插入创建对象所需的代码。
		}
        // 下载于www.51aspx.com
		private void button1_Click(object sender, RoutedEventArgs e)
		{
			Timer timer = new Timer();
			timer.Interval = 50;
			timer.Elapsed += new ElapsedEventHandler(timer_Elapsed);
			timer.Enabled = true;
		}

		void timer_Elapsed(object sender, ElapsedEventArgs e)
		{
			this.Dispatcher.Invoke(new Action(() => 
			{
				pbBubble.Value += 1;
			}));
		}
	}
}