void CeditdemoDlg::OnBnClickedButton1()
{
	// TODO: 在此添加控件通知处理程序代码
	CString str1;

	SetDlgItemText(IDC_EDIT1, _T(""));
	for (int i = 0; i < 5; i++)
	{
		((CEdit*)GetDlgItem(IDC_EDIT1))->SetSel(GetDlgItem(IDC_EDIT1)->GetWindowTextLength(), GetDlgItem(IDC_EDIT1)->GetWindowTextLength());
		str1.Format(_T("AAAAA%d"), i);
		((CEdit*)GetDlgItem(IDC_EDIT1))->ReplaceSel(str1 + L"\n");
	}
}

void CeditdemoDlg::OnBnClickedButton2()
{
	// TODO: 在此添加控件通知处理程序代码
	CString content, str1;

	SetDlgItemText(IDC_EDIT1, _T(""));
	for (int i = 0; i < 5; i++)
	{
		GetDlgItemText(IDC_EDIT1, content);
		str1.Format(_T("AAAAA%d;"), i);
		content += str1;
		content += "\r\n\r\n";
		SetDlgItemText(IDC_EDIT1, content);
	}
}

按钮1;

MFC编辑框追加文本换行-LMLPHP

按钮2;

MFC编辑框追加文本换行-LMLPHP 

设置编辑框 Multilines、Vertical Scroll、Want return 三个属性为true;

01-21 13:26