vc mfc按钮的创建

// CnihaoDlg 消息处理程序

BOOL CnihaoDlg::OnInitDialog()
{
//申明实现 关联
CDialogEx::OnInitDialog();
CButton* pBtn = new CButton();
pBtn->Create(_T("nhao"),WS_CHILD | WS_VISIBLE,CRect(20,10,80,40),this,IDC_MYBUTTON);

ON_BN_CLICKED(IDC_MYBUTTON, &CnihaoDlg::pBnClickedOk)

void CnihaoDlg::pBnClickedOk()
{
int num = 10;
CString str;
str.Format("%d",num);
//MessageBox(str);
AfxMessageBox(str);

//CDialogEx::OnOK();

}

afx_msg void pBnClickedOk();