[WPF]WPF设置单实例启动

WPF设置单实例启动

使用Mutex设置单实例启动

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

namespace Test02
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            Mutex mutex;
            bool ret;
            //第二个参数为应用程序名称
            mutex = new Mutex(true, "Test02", out ret);
            if (ret)
            {
                MessageBox.Show("正常启动");
            }
            else
            {
                MessageBox.Show("已经启动");
                Environment.Exit(0);
            }
            MessageBox.Show("Hello WPF!");
        }
    }
}