Return different value to the operating system based on the argument length : Main « Language Basics « C# / C Sharp

1. C# / C Sharp
2. Language Basics
3. Main

Return different value to the operating system based on the argument length

 

using System;
class SayHello {
    public static int Main(string[] args) {
        if (args.Length > 0) {
            foreach (string arg in args) {
                if (arg.Equals("/help")) {
                    Console.WriteLine("Run this program as follows:" +
                              "sayhello.exe [name1] ");
                    return (1);
                } else
                    Console.WriteLine("Hello " + "{0}", arg);
            }
            return (0);
        } else
            Console.WriteLine("For help, run sayhello.exe /help");
        return (2);
    }
}

 

Related examples in the same category

1.	Variations on the Main() Method
2.	This is a simple C# program
3.	Static Main function
4.	Every console app starts with Main
5.	Main Function: Multiple Mains
6.	The Main Function:Command-Line Parameters
7.	The Main Function:Returning an Int Status
8.	The Main Function
9.	Using command-line arguments to initialize an array.
10.	Deal with the arguments