MFC编辑框接收数据动态更新与刷新方法代码示例-如何让编辑框内容实时更新
关键代码：
1 //发送数据通知
2 //from txwtech@163.com
3 LRESULT CCommSampleDlg::OnSendMsg(WPARAM dwEvent,LPARAM dwLen)
4 {
5 if(!dwLen) return 0;
6 BYTE* temp = new BYTE[dwLen+1];
7 memset(temp, 0x00, dwLen+1);
8 memcpy(temp, (const void*)dwEvent, dwLen);
9 CString log;
10 log.Format("\r\n发送数据=%s", (LPCTSTR)temp);
11
12 if (m_editLog)
13 {
14 CEdit* editLog=(CEdit*)FromHandle(m_editLog);
15 if (editLog->GetWindowTextLength()>50000)
16 {
17 editLog->SetSel(0,-1);
18 editLog->Clear();
19 editLog->SetSel(0,0);
20 editLog->ReplaceSel(log);
21 }
22 else
23 {
24 editLog->SetSel(editLog->GetWindowTextLength(),editLog->GetWindowTextLength());
25 editLog->ReplaceSel(log );
26 }
27 }
28 return 0;
29 }
30
31 // 接收消息通知
32 LRESULT CCommSampleDlg::OnRecvMsg(WPARAM dwEvent,LPARAM dwLen)
33 {
34 if(!dwLen) return 0;
35 BYTE* temp = new BYTE[dwLen+1];
36 memset(temp, 0x00, dwLen+1);
37 memcpy(temp, (const void*)dwEvent, dwLen);
38 CString log;
39 log.Format("\r\n接收数据=%s", (LPCTSTR)temp);
40
41 if (m_editRecv.GetLength() > 50000) m_editRecv = "";
42 m_editRecv += log;
43 UpdateData(FALSE);
44 return 0;
45 }