C / C++ / MFC

BOOL CFTEdit::Create (DWORD dwStyle,
                      const RECT &rect,
                      CWnd *pParentWnd,
                      UINT nID)
{
    return (Create (_T("EDIT"), NULL, dwStyle, rect, pParentWnd, nID));
} // End of CFTEdit::Create

BOOL CFTEdit::Create (LPCTSTR lpszClassName,
                      LPCTSTR lpszWindowName,
                      DWORD dwStyle,
                      const RECT &rect,
                      CWnd *pParentWnd,
                      UINT nID,
                      CCreateContext *pContext)
{
    CREATESTRUCT    cs;
    CComBSTR        bstrClassName = lpszClassName;
    CComBSTR        bstrWindowName = lpszWindowName;

    cs.dwExStyle        = 0;
    cs.lpszClass        = lpszClassName;
    cs.lpszName         = lpszWindowName;
    cs.style            = dwStyle | WS_CHILD;
    cs.x                = rect.left;
    cs.y                = rect.top;
    cs.cx               = rect.right - rect.left;
    cs.cy               = rect.bottom - rect.top;
    cs.hwndParent       = pParentWnd->GetSafeHwnd ();
    cs.hMenu            = (HMENU)nID;
    cs.hInstance        = AfxGetInstanceHandle ();
    cs.lpCreateParams   = (LPVOID)pContext;

    if (!PreCreateWindow (cs))
    {
        PostNcDestroy();
        return FALSE;
    }

    AfxHookWindowCreate (this);
    HWND hWnd = ::CreateWindowExW (cs.dwExStyle, (BSTR)bstrClassName,
			(BSTR)bstrWindowName, cs.style, cs.x, cs.y, cs.cx, cs.cy,
			cs.hwndParent, cs.hMenu, cs.hInstance, cs.lpCreateParams);

    if (!AfxUnhookWindowCreate ())
        PostNcDestroy ();        // cleanup if CreateWindowEx fails too soon

    if (hWnd == NULL)
        return FALSE;
    ASSERT(hWnd == m_hWnd); // should have been set in send msg hook
    return TRUE;
} // End of CFTEdit::Create

void CTrackerTestView::OnLButtonDown(UINT nFlags, CPoint point) 
{
  TRACE( "CTrackerTestView::OnLButtonDown\n" );
  CRectTracker tracker;
  BOOL bRetVal = tracker.TrackRubberBand( this , point, true );
  CView::OnLButtonDown(nFlags, point);

  this->PostMessage(WM_LBUTTONUP ); // send button up ...
}