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        public static void SetRegistryIsStart(bool IsStart)
        {
            if (IsStart)
            {
                try
                {
                    string strAssName = Application.StartupPath + @"\" + Application.ProductName + @".exe";
                    string ShortFileName = Application.ProductName;

                    RegistryKey rgkRun = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true);
                    if (rgkRun == null)
                    {
                        rgkRun = Registry.LocalMachine.CreateSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run");
                        rgkRun.SetValue(ShortFileName, strAssName);
                    }
                    else
                    {
                        rgkRun.SetValue(ShortFileName, strAssName);
                    }
                }
                catch
                {
                }
            }
            else
            {
                try
                {
                    Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run", true).DeleteValue(Application.ProductName, false);
                }
                catch
                {

                }
            }
        }