SDI MFC VC ++中删除功能的问题 [英] Problem in delete function in SDI MFC VC++

问题描述

我有一个从CView继承的mfc vc ++类.

I have an mfc vc++ class which is inherited from CView

#include "NormalClass.h"

class FView : public CView
{
 DECLARE_DYNCREATE (FView)

public:
 
  FView ();
  ~FView ();

   NormalClass *m_pcNormal; 
}

在类的构造方法中，我正在将内存分配给普通的cpp类实例

In Constructor of class I am allocating memory to normal cpp class instance

FView::FView ()
{
  m_pcNormal = new NormalClass[20];
}

在类的Destructor中，我正在删除cpp类的内存

In Destructor of class i am deleting the memory of cpp class

FView::~FView ()
{
  if (m_pcNormal)
  {
    for (int i = 0; i < 20; i++)
    {
       delete m_pcNormal[i]; // problem is here 
                             // it is showing expression must have pointer or handle
       // it is crashing when i am doing like this delete &m_pcNormal[i]; 
    }
    delete [] m_pcNormal; m_pcNormal = NULL;
  }
}

我的普通cpp课是这样的

And my normal cpp class is like this

class NormalClass
{
    private:

       funt1 ();
       int a;

    public:

        NormalClass();
        ~NormalClass();

}

解决此问题的任何方法

Any solution for this problem

推荐答案

您正在为尚未使用new分配的对象调用delete.您可以将m_pcNormal更改为NormalClass**并为构造函数中的m_pcNormal[]的每个元素调用new(或以后；将元素初始化为NULL)，或使用数组类进行存储.

You are calling delete for objects that has not been allocated using new. You may change m_pcNormal to NormalClass** and call new for each element of m_pcNormal[] in the constructor (or later; than initialize the elements to NULL), or use an array class for storage.

这篇关于SDI MFC VC ++中删除功能的问题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！