两个dialog之间如何传递数据

CDlg1::OnButton1()

{

CDlg2 dlg2;

dlg2.m_str = _T( "你好 "; )

dlg2.m_bJudge = TRUE;

dlg2.DoModal();

}

//Dlg2.h

public:

CString m_str;

BOOL m_bJudge;

//Dlg2.cpp

CDlg2::OnInitDialog()

{

if (m_bJudge)

GetDlgItem(IDC_EDIT1)-> SetWindowText(m_str);

}