实例介绍
【实例截图】
【核心代码】
using System; using System.Collections.Generic; using System.Windows.Forms; using System.Text.RegularExpressions; namespace LocalChat { public partial class Form1 : Form { private Peer peer; private bool connected = false; private bool messageBoxKeyPressed = false; private bool usernameBoxKeyPressed = false; public Form1() { InitializeComponent(); peer = new Peer(); listBox1.DataSource = new BindingSource(peer.ConnectedClients.Keys, null); //listBox1.DisplayMember = "Key"; //Username //listBox1.ValueMember = "Value"; //IPAdress button2.Enabled = false; //richTextBox1.Text = "You are using LocalChat v0.2 by MCL & M4a1x"; richTextBox1.Text = "[" DateTime.Now.ToString("HH:mm:ss") "] You are using LocalChat v0.2 by M4a1x & MCL"; //A little bit of credit label2.Text = "Connected users: 0"; peer.MessageRecieved = new MessageEventHandler(peer_MessageRecieved); peer.ConnectedClientsChanged = new ConnectedClientsChangedEventHandler(peer_ConnectedClientsChanged); } void peer_ConnectedClientsChanged() { if (this.InvokeRequired) this.Invoke(new ConnectedClientsChangedEventHandler(peer_ConnectedClientsChanged), new object[] { }); listBox1.DataSource = null; listBox1.DataSource = new BindingSource(peer.ConnectedClients, null); listBox1.DisplayMember = "Key"; //Username listBox1.ValueMember = "Value"; //IPAdress label2.Text = "Connected users: " (listBox1.Items.Count - 1); } private void peer_MessageRecieved(string sender, string recipient, string message) { if (this.InvokeRequired) { this.Invoke(new MessageEventHandler(peer_MessageRecieved), new object[] { sender, recipient, message }); return; } if (sender == null) richTextBox1.AppendText("\n" "[" DateTime.Now.ToString("HH:mm:ss") "] " message); else { if (recipient == null) richTextBox1.AppendText("\n" "[" DateTime.Now.ToString("HH:mm:ss") "] " sender ": " message); else richTextBox1.AppendText("\n" "[" DateTime.Now.ToString("HH:mm:ss") "] " sender " -> " recipient ": " message); } richTextBox1.SelectionStart = richTextBox1.Text.Length; richTextBox1.ScrollToCaret(); } private void button1_Click(object sender, EventArgs e) { if (!connected) { Regex regex = new Regex(@"\S"); //Match not whitespace Match match = regex.Match(textBox1.Text); //User should type at least 1 non-whitespace character if (usernameBoxKeyPressed && match.Success) { if (peer.requestConnection(textBox1.Text)) { button1.Text = "Disconnect"; button2.Enabled = true; connected = true; label1.Text = "Connected as: " textBox1.Text; textBox1.Visible = false; label1.Visible = true; textBox2.Enabled = true; } else MessageBox.Show("Error starting the local server!\n\nPlease make sure there's no other application running on port 1337 and 7331!", "LocalChat", MessageBoxButtons.OK, MessageBoxIcon.Error); } else MessageBox.Show("Please enter a valid Username!", "LocalChat", MessageBoxButtons.OK, MessageBoxIcon.Warning); } else { peer.disconnect(); button1.Text = "Connect"; button2.Enabled = false; connected = false; textBox1.Visible = true; label1.Visible = false; textBox2.Enabled = false; } } private void button2_Click(object sender, EventArgs e) { sendMessage(textBox2.Text); } private void textBox2_KeyPress(object sender, KeyPressEventArgs e) { messageBoxKeyPressed = true; if (e.KeyChar == (char)Keys.Enter) { sendMessage(textBox2.Text); e.Handled = true; } } private void textBox1_KeyPress(object sender, KeyPressEventArgs e) { usernameBoxKeyPressed = true; } private void sendMessage(string message) { if (connected) { if (messageBoxKeyPressed && message != "") { if (listBox1.SelectedIndex == 0) peer.sendMessage(textBox2.Text); else { var listsel = (KeyValuePair<string, string>)listBox1.SelectedItem; peer.sendMessage(textBox2.Text, listsel.Value); } textBox2.Text = ""; } } } private void textBox2_Enter(object sender, EventArgs e) { if (textBox2.Text == "Enter your message here..." && !messageBoxKeyPressed) textBox2.Text = ""; } private void textBox2_Leave(object sender, EventArgs e) { if (textBox2.Text == "") { textBox2.Text = "Enter your message here..."; messageBoxKeyPressed = false; } } private void textBox1_Enter(object sender, EventArgs e) { if (textBox1.Text == "Enter an username..." && !usernameBoxKeyPressed) textBox1.Text = ""; } private void textBox1_Leave(object sender, EventArgs e) { if (textBox1.Text == "") { textBox1.Text = "Enter an username..."; usernameBoxKeyPressed = false; } } private void button3_Click(object sender, EventArgs e) { MessageBox.Show("Coming soon", "LocalChat", MessageBoxButtons.OK, MessageBoxIcon.Information); } } }
标签: chat local network p2p
小贴士
感谢您为本站写下的评论,您的评论对其它用户来说具有重要的参考价值,所以请认真填写。
- 类似“顶”、“沙发”之类没有营养的文字,对勤劳贡献的楼主来说是令人沮丧的反馈信息。
- 相信您也不想看到一排文字/表情墙,所以请不要反馈意义不大的重复字符,也请尽量不要纯表情的回复。
- 提问之前请再仔细看一遍楼主的说明,或许是您遗漏了。
- 请勿到处挖坑绊人、招贴广告。既占空间让人厌烦,又没人会搭理,于人于己都无利。
关于好例子网
本站旨在为广大IT学习爱好者提供一个非营利性互相学习交流分享平台。本站所有资源都可以被免费获取学习研究。本站资源来自网友分享,对搜索内容的合法性不具有预见性、识别性、控制性,仅供学习研究,请务必在下载后24小时内给予删除,不得用于其他任何用途,否则后果自负。基于互联网的特殊性,平台无法对用户传输的作品、信息、内容的权属或合法性、安全性、合规性、真实性、科学性、完整权、有效性等进行实质审查;无论平台是否已进行审查,用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。本站所有资源不代表本站的观点或立场,基于网友分享,根据中国法律《信息网络传播权保护条例》第二十二与二十三条之规定,若资源存在侵权或相关问题请联系本站客服人员,点此联系我们。关于更多版权及免责申明参见 版权及免责申明
网友评论
我要评论