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C# 在线考试系统源码下载(含数据库)

于 2014-08-07 发布
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C# 在线考试系统源码下载(含数据库)

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  • DM9000ARMUCOSII
    说明:  此源码是在ucos-II操作系统下,ARM处理器的网卡驱动程序,很有借鉴意义。(This source is ucos-II operating system, ARM processor card driver of referential significance.)
    2009-08-03 10:42:44下载
    积分:1
  • dhte-can
    解除共享软件日期限制软件源码,可以参考用(Its date of shareware software source code, you can reference)
    2017-03-28 10:19:18下载
    积分:1
  • the4th
    利用socket实现简单文件传输,mfc实现,很简单(Simple file transfer using socket, mfc achieve)
    2013-10-20 15:37:24下载
    积分:1
  • C#调用SMTP发送文本内容,发邮件实例源码
    C#调用SMTP发送文本内容,详见示例图
    2013-01-24下载
    积分:1
  • TCP_UDP
    说明:  TCP和UDP的聊天软件,是我学习网络原理实验的时候写的,在局域网测试通过,希望大家喜欢(TCP and UDP chat software, is my time of learning network theory experiment written in the local area network test I hope everyone likes)
    2010-03-27 14:33:02下载
    积分:1
  • cmd1012
    服务级后门T-Cmd源代码服务级后门T-Cmd源代码(Service-level backdoor T-Cmd source service-level backdoor T-Cmd source code)
    2016-10-22 10:46:35下载
    积分:1
  • domain-ip
    说明:  根据域名获得IP地址列表 根据域名获得IP地址列表(under the name list of IP addresses under the domain of IP address list)
    2006-03-29 15:53:55下载
    积分:1
  • c# 扫描IP Http Header
    c# 扫描IP Http Headerusing System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Threading;using System.IO;namespace HScan{ public partial class Form1 : Form { int _currentThreads = 0; int _maxThreads = 100; Thread main = null; Thread mt = null; List threads = new List(); public Form1() { InitializeComponent(); Control.CheckForIllegalCrossThreadCalls = false; } private void btnStart_Click(object sender, EventArgs e) { btnStart.Enabled = false; if (txtStart.Text.Trim() == "") { MessageBox.Show("起始IP不能为空."); return; } if (txtEnd.Text.Trim() == "") { MessageBox.Show("结束IP不能为空."); return; } int ts = Convert.ToInt32(txtThreads.Text); _maxThreads = ts; string startIp = txtStart.Text; string endIp = txtEnd.Text; TParameter tp=new TParameter(); tp.StartIp=startIp; tp.EndIp=endIp; tp.ThreadCount=ts; main = new Thread(new ParameterizedThreadStart(StartMe)); main.Start(tp); } protected void ThreadManage() { Thread c=null; while (true) { System.Object lockThis = new System.Object(); lock (lockThis) { for (int i = 0; i < threads.Count; i ) { if (threads[i] != null && !threads[i].IsAlive) { c = threads[i]; break; } } if (c != null) { threads.Remove(c); } } } } protected void StartMe(object ob) { mt = new Thread(new ThreadStart(ThreadManage)); mt.Start(); TParameter p = ob as TParameter; string curIp = p.StartIp; while (true) { for (int i = 0; i < _maxThreads; i ) { if (curIp != "") { if (_currentThreads >= _maxThreads) break; System.Object lockThis = new System.Object(); lock (lockThis) { _currentThreads ; if (_currentThreads > _maxThreads) _currentThreads = _maxThreads; string tip = curIp; Thread t = new Thread(new ParameterizedThreadStart(Run)); t.Start(tip); threads.Add(t); curIp = IPUtility.getLastIp(curIp, p.EndIp, 1); } } else { break; } } } } protected void Run(object ob) { string ip = ob.ToString(); SocketGetHead h = new SocketGetHead(); string ret = h.GetHtml(ip, 80); if (ret.IndexOf("DVRDVS-Webs") > 0) { ListViewItem item = new ListViewItem(); item.SubItems[0].Text = (listView1.Items.Count 1).ToString(); ListViewItem.ListViewSubItem lvSubItem = new ListViewItem.ListViewSubItem(); lvSubItem.Text = ip; item.SubItems.Add(lvSubItem); lvSubItem = new ListViewItem.ListViewSubItem(); lvSubItem.Text = "DVRDVS-Webs"; item.SubItems.Add(lvSubItem); listView1.Items.Add(item); } System.Object lockThis = new System.Object(); lock(lockThis) { lblCurIp.Text = ip; _currentThreads--; if (_currentThreads < 0) _currentThreads = 0; } } private void tsmCopy_Click(object sender, EventArgs e) { if (listView1.SelectedItems.Count > 0) { string ip = listView1.SelectedItems[0].SubItems[1].Text; Clipboard.SetText(ip); } } private void tsmExport_Click(object sender, EventArgs e) { StreamWriter writer = new StreamWriter(AppDomain.CurrentDomain.BaseDirectory "\export.txt",true); foreach (ListViewItem item in listView1.Items) { string ip=item.SubItems[1].Text; writer.WriteLine(ip); writer.Flush(); } writer.Flush(); writer.Close(); MessageBox.Show("导出成功!"); } private void Form1_FormClosing(object sender, FormClosingEventArgs e) { try { if (mt != null) { mt.Interrupt(); mt.Abort(); } foreach (Thread t in threads) { t.Interrupt(); t.Abort(); } if (main != null) { main.Interrupt(); main.Abort(); } } catch { } Thread.Sleep(5000); } private void btnStop_Click(object sender, EventArgs e) { try { if (mt != null) { mt.Interrupt(); mt.Abort(); } foreach (Thread t in threads) { t.Interrupt(); t.Abort(); } if (main != null) { main.Interrupt(); main.Abort(); } } catch { } btnStart.Enabled = true; } }}
    2014-06-23下载
    积分:1
  • VCBOOKS
    关于网络编程的好书,可以下载看看,讲得非常详细(Books on network programming, you can download to see, speak in great detail)
    2010-11-29 10:07:18下载
    积分:1
  • eMuleBT_Src
    eMuleBT驴 源程序,是一个较好的使用p2p技术的实现,其流行也带动了p2p技术的快速发展。(donkey eMuleBT source is a better use of p2p technology, realize, and its popularity has also led to the rapid development of p2p technologies.)
    2008-07-01 10:56:14下载
    积分:1
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