C# - 随笔分类(第4页) - louiskoo

c# 序列化和反序列化

摘要：public static void Serialize(T entity) { TextWriter tw = new StringWriter(); var formatter = new XmlSerializer(typeof(T)); formatter.Serialize(tw, entity); if (!Directory.Exists(Path.GetDirectoryName(Filename))) { Director... 阅读全文

posted @ 2013-03-21 20:25 louiskoo 阅读(290) 评论(0) 推荐(0)

c# RegistryKey操作注册表

摘要：using System;using System.Collections.Generic;using System.Linq;using System.Text;using Microsoft.Win32;namespace AirPatientForm{ class RegistryDAO { public static string GetRegistData(string name) { if (!IsRegeditExit(name)) { CreateRegedit(@... 阅读全文

posted @ 2013-03-21 20:18 louiskoo 阅读(15411) 评论(1) 推荐(1)

c# 文件备份

摘要：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 AirPatientForm;using AirwayCT.Entity;namespace BuildPatients{ public partial class Form1 : Form { public ... 阅读全文

posted @ 2013-03-21 20:17 louiskoo 阅读(468) 评论(0) 推荐(0)

C# 串口编程 SerialPort

摘要：http://msdn.microsoft.com/zh-cn/library/system.io.ports.serialport(VS.80).aspx 阅读全文

posted @ 2013-03-16 14:26 louiskoo 阅读(217) 评论(0) 推荐(0)

c# Printing EPL

摘要：https://km.zebra.com/kb/index?page=forums&topic=02147b7d6f1f013241a33e9c007c30http://nicholas.piasecki.name/blog/2009/03/sending-raw-epl2-directly-to-a-zebra-lp2844-via-c/ 阅读全文

posted @ 2013-03-15 18:19 louiskoo 阅读(343) 评论(0) 推荐(0)

C# 简单打印功能

摘要：PrintDocument printDocument = new PrintDocument(); printDocument.OriginAtMargins = true; printDocument.PrinterSettings.PrinterName = _PrinterName;printDocument.DefaultPageSettings.PaperSize = new System.Drawing.Printing.PaperSize("SpecimenLabel", 110, 180);//页面大小 printDocument.DefaultPag.. 阅读全文

posted @ 2013-03-14 20:41 louiskoo 阅读(607) 评论(0) 推荐(0)

c# 图片按比例缩放

摘要：public static Bitmap GetThumbnail(Bitmap b, int destHeight, int destWidth) { System.Drawing.Image imgSource = b; System.Drawing.Imaging.ImageFormat thisFormat = imgSource.RawFormat; int sW = 0, sH = 0; // 按比例缩放 ... 阅读全文

posted @ 2013-03-14 20:39 louiskoo 阅读(30232) 评论(1) 推荐(0)

c# 条形码

摘要：http://www.c-sharpcorner.com/UploadFile/krishnasarala/barcode-scanner-in-C-Sharp/ 阅读全文

posted @ 2013-03-05 16:02 louiskoo 阅读(137) 评论(0) 推荐(0)

about an error:LoadXml：Data at the root level is invalid. Line 1, position 1.

摘要：http://blog.sina.com.cn/s/blog_7fd9438d0100yxj6.html 阅读全文

posted @ 2013-02-27 21:54 louiskoo 阅读(557) 评论(0) 推荐(0)

读取网络文件流

摘要：WebClient webClient = new WebClient(); webClient.Credentials = new NetworkCredential("username", "password"); webClient.Credentials = CredentialCache.DefaultCredentials; XmlTextReader que = new XmlTextReader(webClient.OpenRead(new Uri(filePath, ... 阅读全文

posted @ 2013-02-27 20:59 louiskoo 阅读(379) 评论(0) 推荐(0)

判断是否是非法字符

摘要：/// <summary> /// 判断是否是非法字符 /// </summary> /// <param name="str">判断是字符</param> /// <returns></returns> protected static Boolean isLegalNumber(string str) { char[] charStr = str.ToLower().ToCharArray(); if (charStr[0] == '0') ... 阅读全文

posted @ 2013-02-18 19:28 louiskoo 阅读(541) 评论(0) 推荐(0)

C# 序列化

摘要：XmlSerializer ser = new XmlSerializer(typeof(Report));if (Directory.Exists("c:\\工作报告\\" + report.toBoss + "\\" + report.name)){ string filename = date.Text; string filepath = "c:\\工作报告\\" + report.toBoss + "\\" + report.name + "\\" + filename + " 阅读全文

posted @ 2013-02-17 23:33 louiskoo 阅读(365) 评论(0) 推荐(0)

C#流(stream)

摘要：流用于对IO处理在System.IO名称空间中有以下类 BinaryReader/Writer TextReader/Writer Stream 其中类Stream为抽象类。由此有三个派生类： MemoryStream：对内存进行读取与写入 BufferedStream：对缓冲器进行读取/写入 FileStream：对文件执行读取与写入 TextReader/Writer为抽象类。由此派生类： StreamReader/StreamWirter StringReader/StreamWriter 需要引入命名空间: using System.IO 内存流与缓冲的使用举例： MemoryStr 阅读全文

posted @ 2013-02-15 22:10 louiskoo 阅读(42006) 评论(3) 推荐(3)

Asynchronous Server Socket Example

摘要：using System;using System.Net;using System.Net.Sockets;using System.Text;using System.Threading;// State object for reading client data asynchronouslypublic class StateObject{ // Client socket. public Socket workSocket = null; // Size of receive buffer. public const int BufferSize = 102... 阅读全文

posted @ 2013-02-10 21:02 louiskoo 阅读(309) 评论(0) 推荐(0)

Asynchronous Client Socket Example

摘要：using System;using System.Net;using System.Net.Sockets;using System.Threading;using System.Text;// State object for receiving data from remote device.public class StateObject{ // Client socket. public Socket workSocket = null; // Size of receive buffer. public const int BufferSize = 256;... 阅读全文

posted @ 2013-02-10 21:01 louiskoo 阅读(260) 评论(0) 推荐(0)

Asynchronous Socket 顺序

摘要：AsyncServer: Bind - Listen - BeginAccept - EndAccept - BeginReceive - EndReceive - BeginSend - EndSend - Shutdown - CloseAcceptCallbackReadCallbackSendCallbackAsyncClient: BeginConnect - EndConnect -BeginSend - EndSend - BeginReceive - EndReceive- Shutdown - Close ConnectCallbackSendCallback Receive 阅读全文

posted @ 2013-02-10 20:57 louiskoo 阅读(229) 评论(0) 推荐(0)

BackgroundWorker后台线程

摘要：BackgroundWorker connectWork = new BackgroundWorker(); public FormClient(){ connectWork.DoWork += new DoWorkEventHandler(connectWork_DoWork); connectWork.RunWorkerCompleted += new RunWorkerCompletedEventHandler(connectWork_RunWorkerCompleted);} /// <summary> /// 异步方式与服务器进行连接 ... 阅读全文

posted @ 2013-02-10 16:59 louiskoo 阅读(283) 评论(0) 推荐(0)

委托实现TCP异步聊天

摘要：User：using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Net.Sockets;using System.IO;namespace AsyncTcpServer{ class User { public TcpClient client { get; private set; } public BinaryReader br { get; private set; } public BinaryWr... 阅读全文

posted @ 2013-02-09 17:34 louiskoo 阅读(2447) 评论(0) 推荐(2)

C# socket 实现客户端连续发送数据

摘要：服务器端：namespace SocketTest{ class Program { public static void SendMessage() { Socket socket = serverSocket.Accept(); Console.WriteLine("Connected a client:{0}",socket.RemoteEndPoint); socket.Send(Encoding.ASCII.GetBytes("welcome to server"));... 阅读全文

posted @ 2013-02-01 13:21 louiskoo 阅读(19690) 评论(1) 推荐(1)

托管改变属性的值InvokeRequired

摘要：由于线程安全问题,在多线程编程下更改一个控件的属性时,往往需要用托管来更改属性的值.下面是一个通用的托管,用反射来对属性进行赋值.public delegate void SetValueCallBack(Control control, string property, object value);public static void SetValue(Control control, string property, object value)...{ if (control.InvokeRequired) control.Invoke(new SetValueCa... 阅读全文

posted @ 2013-01-28 18:52 louiskoo 阅读(293) 评论(0) 推荐(0)

louiskoo

随笔分类 - C#

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