C ++-重新定义问题(托管包装) [英] C++ - Redefinition Issues (Managed Wrapper)

问题描述

尝试为本机类创建托管包装时，我遇到重新定义错误.

我做了很多重写，重命名了一些与.Net命名方案相冲突的内容，并将其减少为一个链接错误.

该错误说明:重新定义了私有静态DWORD myPtr.

因此，我有两个类，一个是声明静态myPtr的本机类，另一个是不执行任何操作但引用本机类的存根托管类.
我尝试将代码减少到最低限度.

I''m getting redefinition errors when trying to make a managed wrapper for a native class.

I did a bunch of rewriting, renamed some stuff that conflicted with .Net naming schemes, and have reduced this to one single linking error.

The error is stating that: private static DWORD myPtr is redefined.

So, I have two classes, one native class declaring a static myPtr, and a stub managed class that does nothing, but reference the native class.

I tried reducing the code to the minimum.

#pragma once

class MyClass
{
    private:
        static DWORD myPtr;
};

#pragma once
#pragma unmanaged
#include "MyClass.h"
#pragma managed

#using <mscorlib.dll>
using namespace System;

public ref class MyClassNet
{
    public:
        MyClassNet(){};
        ~MyClassNet(){};
};

不会出现同样的错误，从托管类中注释掉.h文件，可以消除该错误. (这两个类都是各自工作，将它们放在一起，会发生灾难.)

---

好的，所以，我换出了DWORD，并保持了无符号的长久，现在它可以工作了……(无论如何，它都会进行编译，我将对其进行进一步测试，并确保在我将其称为我的解决方案之前，所有内容都可以正常工作.) />
这是一个真正的BS，浪费了所有时间，因为他们无法正确解析typedef，我几乎希望它没有被修复，因为这很愚蠢……(以及如何将其转换为链接错误，重新定义)等等)???)

Nothing, same error, commenting out the .h file from the managed class, removes the error. (Both classes work on their own, put them together, catastrophuck occurs.)

---

Okay, so, I swapped out DWORD, for unsigned long, and now it works... (It compiled anyways, I''m going to test this further and make sure everything actually works before I call this my solution.)

This is some real BS, waste all that time because they can''t resolve a typedef properly, I almost hope it isn''t fixed, because this is stupid... (And how does that translate to a linking error, redefinition, etc,. ???)

推荐答案

好吧，事实证明，MSVC ++ 2010 Express \ C ++ \ CLI或其他任何类型(VS2010Exp)都不喜欢typedefs ，并且对静态成员也不太在意，我将本机类重写为单例，并将有问题的成员变量从DWORD更改为无符号long(非静态)，并且一切都很好，我的托管函数现在可以正常执行.

很好玩，让我们再也不做了，mmmkay?

Well, turns out, MSVC++ 2010 Express\C++\CLI, or whatever(VS2010Exp), doesn''t like typedefs, and it doesn''t much care for static members either, I rewrote my native class as a singleton, and changed the offending member variable from a DWORD to an unsigned long(non-static), and all is well in the world, my managed function executes fine now.

That was fun, let''s never do it again, mmmkay?

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