Conditional Sample

// This define is only affect in this .cs file
// Try global define if need to affect every .cs file
#define ENABLE_FUNCTION

using System;
using System.Diagnostics;

public static class Sample
{
    public static void Test()
    {
        // This will be called only when ENABLE_FUNCTION defined.
        Print();
    }

    [Conditional("ENABLE_FUNCTION")]
    public static void Print()
    {
        Console.WriteLine("Print when ENABLE_FUNCTION defined.");
    }
}