初始化错误-过时的C ++构造函数初始化语法 [英] initialization error- obsolete C++ constructor initialization syntax

问题描述

错误消息说我需要在构造函数基本/成员初始化列表中初始化ARRAYSIZE.我有.不知道为什么我得到错误.任何帮助，将不胜感激.谢谢.

The error message says I need to initialize ARRAYSIZE in constructor base/member initializer list. I have. Not sure why I am getting the error. Any help would be appreciated. Thanks.

class CRsSortPPage : public CPropertyPage{

public:
    const unsigned short ARRAYSIZE;


}


CRsSortPPage::CRsSortPPage()
    : CPropertyPage(CRsSortPPage::IDD),
    ARRAYSIZE(5)
{
}

Error Message

 error C2351: obsolete C++ constructor initialization syntax
 error C2758: 'CRsSortPPage::ARRAYSIZE' : must be initialized in constructor base/member initializer list
 see declaration of 'CRsSortPPage::ARRAYSIZE'

推荐答案

ARRAYSIZE 是宏.这就是为什么您会得到错误.以下代码将给出相同的错误:

ARRAYSIZE is a macro. That''s why you get the error. The following code will give the same error:

class Test
{
public:
    Test()  : ARRAYSIZE(0)
    {
    }

    short ARRAYSIZE;
};

您可以通过将ARRAYSIZE 重命名为其他名称(也许是ARRSIZE)来解决此问题?

或在类定义之前执行以下操作:

You can fix this by either renaming ARRAYSIZE to something else, maybe ARRSIZE?

Or doing this before the class definition:

#undef ARRAYSIZE

[更新]
~~~~~~~~~

为了回应您的评论，以下是ARRAYSIZE的用法.

[Update]
~~~~~~~~~

In response to your comment, here''s how ARRAYSIZE is used.

int test[100];
cout << ARRAYSIZE(test) << endl;

那将显示100.

That will print 100.

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