MFC中DoDataExchange()的作用是什么
比如这个函数,都是什么意思啊,谢谢回答!
void CChatRoomClientDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CChatRoomClientDlg)
DDX_Control(pDX, IDC_STATIC_NIKENAME, m_STATIC_NIKENAME_CONTROL);
DDX_Control(pDX, IDC_LIST_CHATBOX, m_IDC_LIST_CHATBOX_CONTROL);
DDX_Text(pDX, IDC_EDIT_MESSAGE, m_IDC_EDIT_MESSAGE);
//}}AFX_DATA_MAP
}