using System;
using System.Diagnostics;
using System.Threading;
using System.Windows.Forms;

namespace AutoUpdate
{
    internal static class Program
    {
        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        private static void Main(string[] args)
        {
            bool result;
            var mutex = new Mutex(true, Process.GetCurrentProcess().ProcessName, out result);

            if (!result)
            {
                MessageBox.Show("另一个实例已经运行");
                return;
            }
            if (args.Length > 0)
            {
                var file = args[0];
                Application.EnableVisualStyles();
                Application.SetCompatibleTextRenderingDefault(false);
                Application.Run(new UpdateForm(file));
            }

            GC.KeepAlive(mutex);
        }
    }
}