using System;

using Microsoft.VisualBasic;

。。。。。。

static void Main(string[] args)

{

s = "ABCD123";

//Fully qualified use of Mid()

stringletters = Microsoft.VisualBasic.Strings.Mid(s,1,4);

//Can also just use the static function since

//we imported the namespace

stringnumbers = Strings.Mid(s,5,3);

Console.WriteLine(numbers + " " + letters);

Console.Read();

}