处理Enter以更改MFC中编辑控件的值

Question

我使用编辑控件在MFC中显示输入值。该值在while循环中用于计算其他参数。使用EN_CHANGE更新数据值时，我不能使用浮点输入数。如何在点击＆＃34; Enter＆＃34;之后实际更改该值。键？

    float m_ini_gainG;  // m_ini_gainG is value of edit Control.


    void CMy0Dlg::OnClickedPlay()
    {
       m_thread = AfxBeginThread(MainThread,this); 
    }


    UINT CMy01Dlg::MainThread(LPVOID pParam)
    {
      CMy01Dlg *pMainDlg = (CMy01BayerToRGBDlg*)pParam;
      while(1)
       {
        pMainDlg->m_iTimer = pMainDlg->SetTimer(DISPLAY, 10, 0);

       }
      return 0;
    }



    void CMy01BayerToRGBDlg::OnTimer(UINT_PTR nIDEvent)
    {

      if(nIDEvent == DISPLAY)
      {
        Read(data); // data is read continuously
        ......
        gainB = temp_G*m_ini_gainG/temp_B;
        m_gainB.Format(L"%0.2f",gainB);
        UpdateData(FALSE);
     }
    CDialogEx::OnTimer(nIDEvent);
    }



    void CMy01BayerToRGBDlg::OnChangeIniG()
    {

     UpdateData(TRUE);
    }

我只能为m_ini_gainG设置整数值。我无法进入＆＃34;。＆＃34;设置浮动值。