在窗口初始化时,怎样将焦点确定在某一个控件上  
如:m_model_con是combo的控制变量  
           m_model_con.Clear();  
           int  i=0;  
           m_modelset.Open();  
           if(m_modelset.GetRecordCount()!=0)  
           {  
                       m_modelset.MoveFirst();  
                       CString  buf;  
                       while(!m_modelset.IsEOF())  
                                   {  
                                           m_model_con.AddString(m_modelset.m_Model);  
                                               m_modelset.MoveNext();  
                                               i++;  
                                   }  
           }  
             m_modelset.Close();              
       m_model_con.SetCurSel(0);  
GetDlgItem(IDC_EDIT)->GetFocus():  
不能实现初始化焦点放到IDC_EDIT上呀