using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Windows.Forms;

namespace M423project
{
    static class Program
    {
        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main()
        {
            bool createNew;
            using (Mutex mutex = new Mutex(true, Application.ProductName, out createNew))
            {
                if (createNew)
                {
                    Application.EnableVisualStyles();
                    Application.SetCompatibleTextRenderingDefault(false);
                    //Application.Run(new MainForm());
                    FormStartup.LoadAndRun(new MainForm());
                }
                else
                {
                    // 程序已经运行,显示提示后退出
                    MessageBox.Show("应用程序已经运行!");
                    System.Environment.Exit(0);
                }
            }
        }
    }
}