C# 即时通讯系统源码(仿QQ)下载(My QQ)

C# VLC Player 视频播放器源码下载

电压可自由设定，也可直接设置DAC，两步配合操作，输出电压精度可达正负10mv

用于浏览器开发，官方demo，绝对给力

【实例简介】

套打Demo 【核心代码】using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Drawing.Printing;namespace Print_Demo{ public partial class Form1 : Form { public PrintDocument printDt = new PrintDocument(); //打印文档对象 Font printFont; //打印使用的字体 public Form1() { InitializeComponent(); } void printDt_PrintPage(object sender, PrintPageEventArgs e) { float pointX = 10; float pointY = 10; e.Graphics.DrawString("打印内容", new Font("宋体", 16F), Brushes.Black, pointX 60, pointY); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 26,pointX 300,pointY 26); e.Graphics.DrawString("打印内容", printFont, Brushes.Black, pointX, pointY 35); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 56, pointX 300, pointY 56); e.Graphics.DrawString("打印内容", printFont, Brushes.Black, pointX, pointY 65); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 86, pointX 300, pointY 86); e.Graphics.DrawString("打印内容", printFont, Brushes.Black, pointX, pointY 95); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 116, pointX 300, pointY 116); e.Graphics.DrawString("打印内容", printFont, Brushes.Black, pointX, pointY 125); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 146, pointX 300, pointY 146); e.Graphics.DrawString("打印内容", printFont, Brushes.Black, pointX, pointY 155); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 176, pointX 300, pointY 176); e.Graphics.DrawString("打印内容", printFont, Brushes.Black, pointX, pointY 185); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 206, pointX 300, pointY 206); e.Graphics.DrawString("检测结果", printFont, Brushes.Black, pointX, pointY 233); e.Graphics.DrawString("通过", new Font("宋体",22F,FontStyle.Bold), Brushes.Black, pointX 90, pointY 225); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 265, pointX 300, pointY 265); e.Graphics.DrawString("单位名称", printFont, Brushes.Black, pointX, pointY 275); } private void Form1_Load(object sender, EventArgs e) { printDt.PrintPage = new PrintPageEventHandler(printDt_PrintPage); printFont = new Font("宋体", 12F); } private void btnPrint_Click(object sender, EventArgs e) { //PrintDialog printDlg = new PrintDialog(); //printDlg.Document = printDt; //printDlg.AllowPrintToFile = true; //printDlg.AllowCurrentPage = true; //printDlg.AllowSelection = true; //printDlg.ShowDialog(); //printDlg.ShowDialog(); printDt.Print(); } private void btnLook_Click(object sender, EventArgs e) { PrintPreviewDialog printPreview = new PrintPreviewDialog(); printPreview.PrintPreviewControl.Document = printDt; printPreview.ShowDialog(this); } }}

c# get post 网络请求（Redslide.HttpLib）

【实例简介】

C#串口通信(调试工具)

C_+打地鼠游戏源代码（详细的注释）抓鬼

c#通过Socket实现图片、文件和文字的通讯。 private void button1_Click(object sender, EventArgs e)         {                          try             {                 server = TxStart.startServer(int.Parse(textBox_port.Text));                 server.AcceptString = new TxDelegate(acceptString);                 server.AcceptByte = new TxDelegate(acceptBytes);                 server.Connect = new TxDelegate(connect);                 server.dateSuccess = new TxDelegate(dateSuccess);                 server.Disconnection = new TxDelegate(disconnection);                 server.EngineClose = new TxDelegate(engineClose);                 server.EngineLost = new TxDelegate(engineLost);                 //server.BufferSize=12048;                 //server.FileLog = "C:\test.txt";                 server.StartEngine();                 this.button1.Enabled = false;                 this.button2.Enabled = true;                 this.button3.Enabled = true;             }             catch (Exception Ex) { MessageBox.Show(Ex.Message); }                       }         ///         /// 发送按钮         ///         ///         ///         private void button2_Click(object sender, EventArgs e)         {             try             {                 IPEndPoint client = (IPEndPoint)this.comboBox1.SelectedItem;                 if (client == null)                 {                     MessageBox.Show("没有选中任何在线客户端！");                     return;                 }                 if (!this.server.clientCheck(client))                 {                     MessageBox.Show("目标客户端不在线！");                     return;                 }                 server.sendMessage(client, textBox_msg.Text);             }             catch (Exception Ex) { MessageBox.Show(Ex.Message); }         }         ///         /// 下面显示的         ///         ///         ///         private void show(IPEndPoint ipEndPoint, string str)         {             label_zt.Text = ipEndPoint.ToString() ":" str;             label_all.Text = "当前在线人数:" this.server.ClientNumber.ToString();         }         ///         /// 当组合框按下的时候         ///         ///         ///         private void comboBox1_DropDown_1(object sender, EventArgs e)         {             try             {                 List list = this.server.ClientAll;                 this.comboBox1.DataSource = list;             }             catch { }         }         ///         /// 关闭客户端的按钮         ///         ///         ///         private void button3_Click_1(object sender, EventArgs e)         {             IPEndPoint client = (IPEndPoint)this.comboBox1.SelectedItem;             if (client == null)             {                 MessageBox.Show("没有选中任何在线客户端！");                 return;             }             if (!this.server.clientCheck(client))             {                 MessageBox.Show("目标客户端不在线！");                 return;             }             server.clientClose(client);         }         #endregion