Wpf 计时器

计时器 源代码

using System;
using System.Windows;
using System.Windows.Threading;

namespace WpfStopWatch
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        /// <summary>
        /// 状态
        /// </summary>
        enum State
        {
            Start,
            Pause,
            End
        }

        /// <summary>
        /// 状态
        /// </summary>
        State _state = State.End;

        /// <summary>
        /// 计时用
        /// </summary>
        TimeSpan _timeSpan = new TimeSpan(0,0,0,0,0);

        public MainWindow()
        {
            InitializeComponent();

            var t = new DispatcherTimer();
            t.Interval = new TimeSpan(0,0,0,1);
            t.Tick += OnTimer