C / C++ / MFC

vinaycool wrote:

is there any way i can access list box from other class ???

"The largest fire starts but with the smallest spark." - David Crow

NiLeSh KoRpE wrote:

Why do i need copy constructor ,in call by value functions.

class CopyCons
{
    //....Other constructors
    CopyCons(CopyCons<code>&</code> ccons)
    {
       //code for copying.
    }
}

Nibu thomas wrote:

Note the ampersand in red. It is mandatory for copy constructors that you pass the object to be copied by reference or else it will result in calling the copy constructor again for the same object leading to trouble.

NiLeSh KoRpE wrote:

Why do i need copy constructor ,in call by value functions.

class foo{
public:
   foo(); //default ctor
   ~foo(); //dtor
   foo(const foo &source); //copy ctor
   foo& operator =(const foo &source); //overloading assingment operator
private:
   baz *m_data; // pointer to sometjhing of type baz
};

birajendu wrote:

But its seems to possible from a debug version of .exe build in VC++ compiler.....It seems that the compiler has the capability to do this..ya i dont have much more knowledge about compiler algo's..

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

makaveli_07 wrote:

...now i want to do the same thing as a application in MFC...

"The largest fire starts but with the smallest spark." - David Crow