C / C++ / MFC

Aqueel wrote:

CFileSenderDlg *fsD = new CFileSenderDlg;

<br />
CTest::CTest(CWnd* pParent /*=NULL*/)<br />
	: CDialog(CTest::IDD, pParent)<br />
{<br />
	Create(CTest::IDD,pParent);<br />
}<br />
--------------------<br />
CTest	  *m_Test;<br />
m_Test=new CTest(this);<br />

Aqueel wrote:

Does it become friend function of that class

Aqueel wrote:

it access private members of class?

Aqueel wrote:

If yes how i should define it in .cpp file of that class?

class CMyClass {
    //....
 
  public:
    friend ostream& operator << (ostream&, date&);
};

ostream& CMyClass::operator << (ostream& os, date& d) {
    //...
    return os;
}

toxcct wrote:

Aqueel wrote:
it access private members of class?



no. friend functions/classes access at most protected members (and of course public ones), but not private.

toxcct wrote:

no. friend functions/classes access at most protected members (and of course public ones), but not private.

class date <br />
{<br />
private:<br />
....    //private members<br />
....<br />
....<br />
public:<br />
date(int=1, int =1, int =1900);<br />
friend ostream& operator<<(ostream& , date&);<br />
}

ostream& date::operator<<(ostream&o, date& a)<br />
{<br />
	o<<year<<month<<day<<endl;<br />
	return o;<br />
}

ostream& operator<<(ostream&o, date& a)<br />
{<br />
...<br />
}

ostream& operator << (ostream& os, date& d) 
{    //...    
return os;
}