private static void Help()
{
Console.WriteLine ("Usage: makecert [options] certificate{0}", Environment.NewLine);
Console.WriteLine (" -# num{0}\tCertificate serial number", Environment.NewLine);
Console.WriteLine (" -n dn{0}\tSubject Distinguished Name", Environment.NewLine);
Console.WriteLine (" -in dn{0}\tIssuer Distinguished Name", Environment.NewLine);
Console.WriteLine (" -r{0}\tCreate a self-signed (root) certificate", Environment.NewLine);
Console.WriteLine (" -sv pkvfile{0}\tPrivate key file (.PVK) for the subject (created if missing)", Environment.NewLine);
Console.WriteLine (" -iv pvkfile{0}\tPrivate key file (.PVK) for the issuer", Environment.NewLine);
Console.WriteLine (" -ic certfile{0}\tExtract the issuer's name from the specified certificate", Environment.NewLine);
Console.WriteLine (" -?{0}\thelp (display this help message)", Environment.NewLine);
Console.WriteLine (" -!{0}\textended help (for advanced options)", Environment.NewLine);
}