// 追加文本到EditControlvoid InstmDebugMainDlg::AppendText(int controlId, CString strAdd){ ((CEdit*)GetDlgItem(controlId))->SetSel(GetDlgItem(controlId)->GetWindowTextLength(),GetDlgItem(controlId)->GetWindowTextLength()); ((CEdit*)GetDlgItem(controlId))->ReplaceSel(strAdd+L"\n");}原文：http://www.cnblogs.com/xuandi/p/5123266.html