mfc自动创建按钮消息处理并清除

    //生成的消息映射函数

    virtual BOOL OnInitDialog();

    afx_msg void OnSysCommand(UINT nID, LPARAM lParam);

    afx_msg void OnPaint();

    afx_msg HCURSOR OnQueryDragIcon();

    afx_msg void OnButtonClick(UINT uID); 

    DECLARE_MESSAGE_MAP()

BEGIN_MESSAGE_MAP(CVS2008DialogTestDlg, CDialog)

    ON_WM_SYSCOMMAND()

    ON_WM_PAINT()

    ON_WM_QUERYDRAGICON()

    //}}AFX_MSG_MAP

    ON_BN_CLICKED(IDC_BUTTON4, &CVS2008DialogTestDlg::OnBnClickedButton4)

    ON_COMMAND_RANGE(10000,10000+10-1,OnButtonClick)

    ON_BN_CLICKED(IDC_BUTTON1, &CVS2008DialogTestDlg::OnBnClickedButton1)

END_MESSAGE_MAP()

//动态创建按钮

CButton* btn;

void CVS2008DialogTestDlg::OnBnClickedButton4()

{

    int buttonID=10000;

    int n = 10;

    btn = new CButton[n]; 

    DWORD dwStyle = WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON; 

    for(int i = 0; i < 10; i++){ 

        btn[i].Create("1", dwStyle,CRect(i*10,i*10,i*20,i*20),this,buttonID+i);  

    } 

}

//动态删除按钮

void CVS2008DialogTestDlg::OnBnClickedButton1()

{

    for(int i = 0; i < 10; i++){ 

        btn[i].DestroyWindow();

    }

}