2013-06-20 21 views
0

我在MFC中工作,我有我自己的模板類(CDFAObList),它是從CObList派生的,並且可以接受從CObject派生的我自己的類(CDFAObject)的成員。我需要重寫爲CDFAObList編譯器生成的拷貝構造函數,因爲它最終作品的方式,以CObject的,裏面有私人複製和分配功能,給了我這樣的:重寫CObList的複製構造函數MFC

1>error C2248: 'CObject::CObject' : cannot access private member declared in class 'CObject' 
1>see declaration of 'CObject::CObject' 
1>see declaration of 'CObject' 
1>This diagnostic occurred in the compiler generated function 'CObList::CObList(const CObList &)' 

它甚至給了我上面的錯誤,雖然我重寫構造函數並在CDFAObject中重載賦值運算符。但是,當我試圖來覆蓋CDFAObList拷貝構造函數,我得到以下編譯器錯誤:

1>error C4430: missing type specifier - int assumed. Note: C++ does not support default-int 
1>see reference to class template instantiation 'CDFAObList<T>' being compiled 

這裏是我的模板類:

#include "DFAObject.h" 
#include "DFAManDoc.h" 
#include "DFAManTreeView.h" 

template<class T> class CDFAObList : public CObList 
{ 
public: 
    CDFAObList(void) { } 


    CDFAObList(CDocument* pDoc,CTreeCtrl* pTree, xml_document* pXmlDoc) 
    { 
     doc = pDoc; 
     Tree = pTree; 
     xmlDoc = pXmlDoc; 
    } 

    // problem copy constructor 
    CDFAObList(const CDFAOblist<T>& toCopy) 
    { 
     doc = toCopy.doc; 
     Tree = toCopy.tree; 
     xmlDoc = toCopy.xmlDoc; 

     for (int i = 0; i < toCopy->GetSize(); i++) 
     { 
      this->AddHead((T*) toCopy->GetTail()); 
     } 
    } 

protected: 
    CDocument* doc; 
    CTreeCtrl* Tree; 
    xml_document* xmlDoc; 
}; 

我以前從未使用過類模板,所以我米可能會做一些錯誤的事情。在此先感謝您的幫助。

回答

0

應該

CDFAObList(const CDFAObList<T>& toCopy) 

CDFAObList(const CDFAOblist<T>& toCopy) 
+0

代替謝謝!這幾乎解決了我的問題,我只需要將'toCopy'上的' - >'運算符更改爲'.'運算符:) – aguazales