C / C++ / MFC

class B;//forward decalaration
class A
{
public:
  B *b;
};

class B
{
public:
 A *a;
};

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

class CMyFirstClass<br />
{<br />
// Member functions & variables<br />
CMySecondClass* pPointer;<br />

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

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

class something{<br />
  private int number = 0;<br />
<br />
  public SetNumber(int num){<br />
    //do some checks eg if(num < 0){ num = 0); }<br />
    number = num;<br />
  }<br />
  public GetNumber(){<br />
    return number<br />
  }<br />
}

CMyDialog::OnShowWindow (BOOL bShow, UINT nStatus)
{
  // Do default operation
  CWnd::OnShowWindow (bShow, nStatus);

  // Force window repaint
  Invalidate();
  UpdateWindow();
}

CMyDialog::OnPaint (...)
{
  m_myPicStaticCtrl.Invalidate();
  m_myPicStaticCtrl.UpdateWindow();
}