Re: how to create borderless(or thin border) resizable dialog box like gtalk ?

And here it is for a window without a border:

BEGIN_MESSAGE_MAP(CBorderLessResizeDlg, CDialog)
   ON_WM_NCHITTEST()
END_MESSAGE_MAP()

UINT CBorderLessResizeDlg::OnNcHitTest(CPoint point)
{
   UINT lRet = HTCLIENT;

   CRect rcClient, rcFrame;
   GetWindowRect(&rcFrame);
   rcClient = rcFrame;

   CSize
sizeBorder(GetSystemMetrics(SM_CXBORDER),GetSystemMetrics(SM_CYBORDER));

   rcClient.InflateRect(-(2*sizeBorder.cx), -(2*sizeBorder.cy));
   rcFrame.InflateRect(sizeBorder.cx, sizeBorder.cy);

   if (rcFrame.PtInRect(point))
   {
      if (point.x > rcClient.right)
      {
         if (point.y < rcClient.top)
         {
            lRet = HTTOPRIGHT;
         }
         else if (point.y > rcClient.bottom)
         {
            lRet = HTBOTTOMRIGHT;
         }
         else
         {
            lRet = HTRIGHT;
         }
      }
      else if (point.x < rcClient.left)
      {
         if (point.y < rcClient.top)
         {
            lRet = HTTOPLEFT;
         }
         else if (point.y > rcClient.bottom)
         {
            lRet = HTBOTTOMLEFT;
         }
         else
         {
            lRet = HTLEFT;
         }
      }
      else if (point.y < rcClient.top)
      {
         lRet = HTTOP;
      }
      else if (point.y > rcClient.bottom)
      {
         lRet = HTBOTTOM;
      }
   }

   return lRet;
}

AliR.

"AliR (VC++ MVP)" <AliR@online.nospam> wrote in message
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