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

來源:互聯網
上載者:User

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);

聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.