public static ITextPrinter PrintFormat(this ITextPrinter printer, string format, params object[] args)
 {
     return(printer.Print(string.Format(format, args)));
 }
 public static ITextPrinter PrintFormatLn(this ITextPrinter printer, string format, params object[] args)
 {
     return(printer.Print(string.Format(format, args)).Print(Environment.NewLine));
 }
 public static ITextPrinter PrintLn(this ITextPrinter printer, string text)
 {
     return(printer.Print(text).Print(Environment.NewLine));
 }