CTabCtrl 使用

CMyTabCtrl::CMyTabCtrl()
{
 m_tabPages[0]=new CTabOne;
 m_tabPages[1]=new CTabTwo;
 m_tabPages[2]=new CTabThree;

 m_nNumberOfPages=3;
}

CMyTabCtrl::~CMyTabCtrl()
{
 for(int nCount=0; nCount < m_nNumberOfPages; nCount++){
  delete m_tabPages[nCount];
 }
}

void CMyTabCtrl::Init()
{
 m_tabCurrent=0;

 m_tabPages[0]->Create(IDD_TAB_ONE, this);
 m_tabPages[1]->Create(IDD_TAB_TWO, this);
 m_tabPages[2]->Create(IDD_TAB_THREE, this);

 m_tabPages[0]->ShowWindow(SW_SHOW);
 m_tabPages[1]->ShowWindow(SW_HIDE);
 m_tabPages[2]->ShowWindow(SW_HIDE);

 SetRectangle();
}

void CMyTabCtrl::SetRectangle()
{
 CRect tabRect, itemRect;
 int nX, nY, nXc, nYc;

 GetClientRect(&tabRect);
 GetItemRect(0, &itemRect);

 nX=itemRect.left;
 nY=itemRect.bottom+1;
 nXc=tabRect.right-itemRect.left-1;
 nYc=tabRect.bottom-nY-1;

 m_tabPages[0]->SetWindowPos(&wndTop, nX, nY, nXc, nYc, SWP_SHOWWINDOW);
 for(int nCount=1; nCount < m_nNumberOfPages; nCount++){
  m_tabPages[nCount]->SetWindowPos(&wndTop, nX, nY, nXc, nYc, SWP_HIDEWINDOW);
 }
}


//////////////////////////////////////////////////////
// CMyTabCtrl message handlers

void CMyTabCtrl::OnLButtonDown(UINT nFlags, CPoint point) 
{
 CTabCtrl::OnLButtonDown(nFlags, point);

 if(m_tabCurrent != GetCurFocus()){
  m_tabPages[m_tabCurrent]->ShowWindow(SW_HIDE);
  m_tabCurrent=GetCurFocus();
  m_tabPages[m_tabCurrent]->ShowWindow(SW_SHOW);
  m_tabPages[m_tabCurrent]->SetFocus();
 }
}