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Listing 9-3 extracted from chapter Fundamental concepts of the language
Listing 9-2< > Listing 9-4
This listing can be compiled with the command line:
csc.exe /target:exe Example_9_3.cs
Errors: 0 Warnings: 0
Example_9_3.cs
#define MACRO1
#undef MACRO1
using System;
public class Program {
public static void Main() {
#if (MACRO1)
Console.WriteLine("MACRO1 is defined.");
#elif (MACRO2)
Console.WriteLine("MACRO2 is defined and MACRO1 is not defined.");
#else
Console.WriteLine("MACRO2 and MACRO1 are both not defined.");
#endif
}
}
Copyright Patrick Smacchia 2006 2007
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