CEdit

追加文字

int textLen = m_edit_out.GetWindowTextLengthA();
m_edit_out.SetSel(textLen, textLen);
m_edit_out.ReplaceSel(str);

设置只读

((CEdit*)GetDlgItem(IDC_EDIT_dbName))->SetReadOnly(TRUE);
((CEdit*)GetDlgItem(IDC_EDIT_dbPwd))->SetReadOnly(TRUE);

获取数据

https://docs.microsoft.com/en-us/windows/desktop/api/winuser/nf-winuser-getdlgitemint

UINT GetDlgItemInt(
  HWND hDlg,
  int  nIDDlgItem,
  BOOL *lpTranslated,
  BOOL bSigned
);

回车事件

BOOL CDlgQueryPeople::PreTranslateMessage(MSG* pMsg)
{
	if (WM_KEYDOWN == pMsg->message && VK_RETURN == pMsg->wParam)
	{
		//根据不同控件焦点判断是那个在执行 
		if (GetFocus() == GetDlgItem(IDC_EDIT_SEARCH))
		{

		}
	}

	return CDialogEx::PreTranslateMessage(pMsg);
}

点击选中所有内容

继承CEdit

ON_WM_LBUTTONUP()

void CMyEdit::OnLButtonUp(UINT nFlags, CPoint point)
{
	CEdit::OnLButtonUp(nFlags, point);

	DWORD dw = GetSel();
	UINT a, b;
	a = LOWORD(dw);//low
	b = HIWORD(dw);//hi 
	if ( a == b )//No selected filed.
	{
		SetSel(0,-1);
	}	
}