How to create a resizeable dialog box with scroll bars in visual c++

How to create a resizeable dialog box with scroll bars in Visual C++

http://support.microsoft.com/kb/262954/en-us/

http://msdn.microsoft.com/en-us/library/bb787531%28v=VS.85%29.aspx#wm_paint

GetClientRect(m_rect);
if(m_rect.bottom<rect.bottom)
{
   m_rect.bottom = rect.bottom-m_rect.Height();
   SetScrollRange(SB_VERT,0,m_rect.bottom);
   ShowScrollBar(SB_VERT, TRUE);
}

void CUsageDisplayTab::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
{
   // TODO: Add your message handler code here and/or call default
   // TODO: Add your message handler code here and/or call default
   int nDelta;
   int nMaxPos = m_rect.Height() /*- m_nCurHeight*/;

   switch (nSBCode)
   {
   case SB_LINEDOWN:
       if (m_nScrollPos >= nMaxPos)
           return;
       nDelta = min(nMaxPos/100,nMaxPos-m_nScrollPos);
       break;

   case SB_LINEUP:
       if (m_nScrollPos <= 0)
           return;
       nDelta = -min(nMaxPos/100,m_nScrollPos);
       break;

         case SB_PAGEDOWN:
       if (m_nScrollPos >= nMaxPos)
           return;
       nDelta = min(nMaxPos/10,nMaxPos-m_nScrollPos);
       break;

   case SB_THUMBPOSITION:
       nDelta = (int)nPos - m_nScrollPos;
       break;

   case SB_PAGEUP:
       if (m_nScrollPos <= 0)
           return;
       nDelta = -min(nMaxPos/10,m_nScrollPos);
       break;

         default:
       return;
   }
   m_nScrollPos += nDelta;
   SetScrollPos(SB_VERT,m_nScrollPos,TRUE);
   ScrollWindow(0,-nDelta);
   CTabPageSSL::OnVScroll(nSBCode, nPos, pScrollBar);
}

dynamic created button

m_cChkbx[i] = new CButton;
m_cChkbx[i]->Create("",WS_CHILD ,rect ,this, GET_CHEKBOX_ID(i));
m_cChkbx[i]->SetFont(pChkFont);
m_cChkbx[i]->SetButtonStyle(BS_AUTOCHECKBOX);
m_cChkbx[i]->ShowWindow(SW_SHOW);

Published on May 26, 2010 in categories cpp