MFC Close Edit Control's Enter response & modify the window's default close button response event

1. Close the Enter response of Edit Control
   Rewrite the OnOk() method of the corresponding modal box

void CLoginDlg::OnOK()
{
	// TODO: 在此添加专用代码和/或调用基类

	//CDialogEx::OnOK();
}

2. Modify the response event of the window's default close button
   Add the corresponding window's message WM_CLOSE response function OnClose()

void CLoginDlg::OnClose()
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	exit(0);
	//CDialogEx::OnClose();
}