Gmail for Windows 7

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

namespace GmailForWin7
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main(string[] args)
        {
            // See if this is the first instance
            bool firstInstance = false;
            using (Mutex appMutex = new Mutex(true, "GmailForWin7", out firstInstance))
            {
                if (firstInstance)
                {
                    Application.EnableVisualStyles();
                    Application.SetCompatibleTextRenderingDefault(false);
                    Application.Run(new GmailMain());
                }
                else
                {
                    // Send argument to running window
                    HandleCmdLineArgs(args);
                }
            }
        }

        public static void HandleCmdLineArgs(string[] args)
        {
            if (args.Length >= 1)
            {
                switch (args[0])
                {
                    case "CheckNow":
                        WindowsMessageHelper.SendMessage(GmailMain.FormTitle, WindowsMessageHelper.CheckNowMsgId);
                        break;
                    case "Settings":
                        WindowsMessageHelper.SendMessage(GmailMain.FormTitle, WindowsMessageHelper.ShowSettingsMsgId);
                        break;
                }
            }
        }
    }
}