‫پیش پردازنده ها Preprocessors

#define DEBUG
...
#if DEBUG
    Console.WriteLine("You have defined DEBUG symbol");
#endif

#if STANDARD
    Console.WriteLine("You have defined STANDARD symbol");
#elif PROFESSIONAL
    Console.WriteLine("You have defined PROFESSIONAL symbol");
#elif ULTIMATE
    Console.WriteLine("You have defined ULTIMATE symbol");
#endif

#if STANDARD && EVAL
    Console.WriteLine("You have defined STANDARD and EVAL symbols");
#endif

#if STANDARD && EVAL
    Console.WriteLine("You have defined STANDARD and EVAL symbols");
#endif

namespace CSPreProcessorDirectivesDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            inta a = 100;
            Console.ReadLine();
        }
    }
}

#line 400 "MyFile.cs"
inta a = 100;

#pragma pragma-name pragma-arguments

#pragma warning disable
#pragma warning restore

#pragma warning disable 414
#pragma warning disable 414, 3021

#pragma checksum "filename" "{guid}" "checksum bytes"

// Guid for the interface IMyInterface.
[Guid("F9168C5E-CEB2-4faa-B6BF-329BF39FA1E4")]
interface IMyInterface
{
    void MyMethod();
}

// Guid for the coclass MyTestClass.
[Guid("936DA01F-9ABD-4d9d-80C7-02AF85C822A8")]
public class MyTestClass : IMyInterface
{
    public void MyMethod() {}
}

class TestClass
{
    static int Main()
    {
        #pragma checksum "file.cs" "{3673e4ca-6098-4ec1-890f-8fceb2a794a2}" "{012345678AB}" // New checksum
    }
}