C# delegate、Func、Action 使用示例

基于TCP的网络通信

QQ自动登录

仿QQ的Menu菜单效果示例源码下载

在textbox右边添加小按钮

【实例简介】 ICPC，大学生ACM竞赛经典模板

实现文件上传和下载，包含服务器和客户端 对于学习TCP的同学有帮助

条码识别 【核心代码】 usingSystem; usingSystem.Collections.Generic; usingSystem.ComponentModel; usingSystem.Data; usingSystem.Diagnostics; usingSystem.Drawing; usingSystem.Linq; usingSystem.Text; usingSystem.Windows.Forms; usingSystem.Drawing.Imaging; usingThoughtWorks.QRCode.Codec; usingThoughtWorks.QRCode.Codec.Data; usingZBar; usingZXing; usingImage = System.Drawing.Image;

参考下分班逻辑, 分班后 要求 每个班级 性别均匀，分数均匀

服务器客户端UDP广播通话 【核心代码】using 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.Net.Sockets;using System.Net;namespace NetServer{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button2_Click(object sender, EventArgs e) { this.Close(); } private void Form1_Load(object sender, EventArgs e) { } private void button1_Click(object sender, EventArgs e) { //使用UDP协议发送数据 Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); //设置端口号 IPEndPoint ieps = new IPEndPoint(IPAddress.Broadcast, 8900); socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1); //将发送数据转换为字节数组 byte[] bytess = System.Text.Encoding.Unicode.GetBytes(textBox1.Text); socket.SendTo(bytess, ieps); socket.Close(); } }}

html5 超炫进度条实例源码(粒子效果)