Get Underlying System Type in CSharp

using System;//from   w w w.j a v a 2s  . c  o  m
using System.Reflection;
   
class NameType
{
  public static void Main()
  {
        Type t = Type.GetType("System.String");
        Console.WriteLine("Underlying System Type : {0}",t.UnderlyingSystemType);
        Console.WriteLine("Is Class : {0}",t.IsClass);
  }
}