_ttoi 代替atoi

直接使用GetDlgItemInt()  

CString strNum;
 m_LogDlg.GetDlgItem(IDC_DAYEDIT)->GetWindowText(strNum);
 strNum.Replace(_T(","), _T(""));
 m_MainSetting.m_dwM = _ttoi(strNum.GetBuffer(0));
 strNum.ReleaseBuffer();