RichEdit 2.0响应回车换行

//响应键盘按键（在noteRichEdit框中按回车键换行）
BOOL CAddMarkDlg::PreTranslateMessage(MSG* pMsg)
{
if(pMsg->message == WM_KEYDOWN)
{
if(pMsg->wParam == VK_RETURN)
{
m_markEditNote.SetSel(-1,-1);
m_markEditNote.ReplaceSel(_T("\n"));
m_markEditNote.SetFocus();
return true;
}
}
return false;
}