#在C#中定义 [英] #define in c#

问题描述

你好
我在c
中有此代码 #define WINDOWS

#ifdef WINDOWS//在C中，但是在C#中我写了#if WINDOWS
#define bool char
#define假0
#define true 1
#endif

//默认顺序为4.
#define DEFAULT_ORDER 4


我想将其转换为C#.我在使用System之前就把这些定义放了进去.但我仍然面临一个问题.如何在C#中编写它们
谢谢

Hello
I have this code in c
#define WINDOWS

#ifdef WINDOWS// in C but in C# I wrote #if WINDOWS
#define bool char
#define false 0
#define true 1
#endif

// Default order is 4.
#define DEFAULT_ORDER 4


I want to convert it to C#. I put these definition before using System; but still I am facing a problem.. How can write them in C#
Thanks

#define WINDOWS
#if WINDOWS
#define bool char
#define false 0
#define true 1
#endif
// Default order is 4.
#define DEFAULT_ORDER 4

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
        }
    }
}

Error   1   Single-line comment or end-of-line expected C:\Users\ACER AX3950\AppData\Local\Temporary Projects\ConsoleApplication2\Program.cs    4   14  ConsoleApplication2

Error   2   Identifier expected C:\Users\ACER AX3950\AppData\Local\Temporary Projects\ConsoleApplication2\Program.cs    5   9   ConsoleApplication2

推荐答案

#define是C#中的预处理程序指令，您可以看到这里 [

#define is a preprocessor directives in C#, you can see HERE[^] for more.

AFAIK #define in C,C++ used to define constant values, But In C# the keyword const is already there to take a good care of constant values.

我认为您需要确定是否要用C或C#编写.如果您决定使用C#，请不要尝试使用C，因为它们是不同的语言！

I think you need to decide whether you want to write in C or C#. If you''ve decided to use C#, then don''t try to use C -- they are different languages!

C#是C#，而不是C ++.为什么要在C#代码之前放C ++代码?
这些行在C#中都没有任何意义.

只是不要做，要开心. ;)

C# is C#, not C++. Why would you ever put C++ code before C# code?
None of those lines make any sense in C#.

Just don''t do it and be happy. ;)

这篇关于#在C#中定义的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！