¶¯Ì¬´´½¨CButton

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CButton *pBtn = new CButton();
if (pBtn)
{
pBtn->Create(sbtnName, WS_VISIBLE, m_nRect[i], this, IDC_BTN_ID+i);
m_btnMap.insert(make_pair(sbtnName,pBtn));
}

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#define IDC_BTN_ID 20000
#define IDC_BTN_ID30 20030

BEGIN_MESSAGE_MAP(CControlDlg, CDialogEx)
ON_WM_PAINT()
ON_COMMAND_RANGE(IDC_BTN_ID,IDC_BTN_ID30,onBnCLick)
ON_WM_LBUTTONDOWN()
ON_BN_CLICKED(IDOK, &CControlDlg::OnBnClickedOk)
END_MESSAGE_MAP()

afx_msg void onBnCLick(UINT )£»

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BTNCTRL_MAP::iterator nIt = m_btnMap.begin();
for (;nIt !=m_btnMap.end();++nIt)
{
CButton *pBtn = nIt->second;
if (pBtn)
{
pBtn->DestroyWindow();
delete pBtn;
}
}
m_btnMap.clear();