/* C#: The Complete Reference by Herbert Schildt Publisher: Osborne/McGraw-Hill (March 8, 2002) ISBN: 0072134852 */ // Demonstrate #if, #endif, and #define. #define EXPERIMENTAL using System; public class Test1 { public static void Main() { #if EXPERIMENTAL Console.WriteLine("Compiled for experimental version."); #endif Console.WriteLine("This is in all versions."); } }