private static void PrintInfo1()
        {
            PrintInfo pinfo = PrintInfo.GetInstance;

            pinfo.PrintDetails("This is First Print Info");
        }
        public void printClient1(string message)
        {
            PrintInfo print1 = PrintInfo.GetInstance;

            print1.PrintDetails(message);
        }
        private static void PrintInfo2()
        {
            PrintInfo pinfo1 = PrintInfo.GetInstance;

            pinfo1.PrintDetails("This is Second Print Info");
        }