Parameter ComPort needed

[nadeem2nazar]

when i run this program it gives message "Parameter ComPort needed". where should i pass comp port my com port is 5.

public static void Main(string[] args ) {

         if (args.Length < 1)
           {
              Console.WriteLine("Parameter ComPort needed.");
            
               return;
           }

[sukesh-ak]

COM Port needs to be passed as a command line parameter