Re: Problem in resizing with scroll bar

From:
"AliR [VC++ MVP]" <AliR@online.nospam>
Newsgroups:
microsoft.public.vc.mfc
Date:
Wed, 24 Jun 2009 10:29:52 -0500
Message-ID:
<5Fr0m.1682$Wj7.1425@nlpi065.nbdc.sbc.com>
See if this helps:

void CDialogScrollDlg::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar*
pScrollBar)
{
int nDelta = 0;
int nMaxPos = 0;
int ScrollPos = 0;

   if (pScrollBar == NULL)
   {
      ScrollPos = GetScrollPos(SB_VERT);
      nMaxPos = this->GetScrollLimit(SB_VERT)-1;
   }
   else
   {
      ScrollPos = pScrollBar->GetScrollPos();
      nMaxPos = pScrollBar->GetScrollLimit()-1;
   }

   switch (nSBCode)
   {
      case SB_LINEDOWN: if (ScrollPos < nMaxPos)
                           nDelta = 5;
                        break;

      case SB_LINEUP: if (ScrollPos > 0)
                           nDelta = -5;
                        break;

      case SB_PAGEDOWN: nDelta = min(nMaxPos-ScrollPos,25);
                        break;

      case SB_PAGEUP: nDelta = max(-ScrollPos,-25);
                        break;

      case SB_THUMBPOSITION: nDelta = nPos - ScrollPos;
                              break;

   }
    if (nDelta != 0)
    {
       SetScrollPos(SB_VERT,ScrollPos+nDelta,TRUE);
       ScrollWindow(0,-nDelta);
    }

   CDialog::OnVScroll(nSBCode, nPos, pScrollBar);
}

"Mohit" <behappy.mohit@gmail.com> wrote in message
news:ad35d146-fa85-43ea-93ba-3ed5e0ae64b7@g15g2000pra.googlegroups.com...

HI,
Thanks for sugesstion ,
What u said thats i m doing, my problem arise on resize ing the window
when window is minimum.Amd scroll is down

Mohit Kumar

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