log4net将log实时显示在textbox中WinForm

1、1、把log4net.dll添加到项目引用中2、修改Assemblylnfo.cs,添加如下行：assembly:log4net.Config.XmlConfigurator(Watch=true)3、修改配置文件4、Form1的代码如下：usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.

2、Threading;usinglog4net.Core;namespaceWinFormDemopublicpartialclassForm1:Formprivatestaticreadonlylog4net.ILoglog=log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);privateboollogWatching=true;privatelog4net.Appender.MemoryAppenderlogger;privateThreadlogWatche

3、r;publicForm1()InitializeComponent();this.Closing+=newCancelEventHandler(Form1_Closing);logger=newlog4net.Appender.MemoryAppender();log4net.Config.BasicConfigurator.Configure(logger);logWatcher=newThread(newThreadStart(LogWatcher);logWatcher.Start();voidForm1_Closing(objectsender,CancelEventArgse)lo

4、gWatching=false;logWatcher.Join();delegatevoiddelOneStr(stringlog);voidAppendLog(string_log)if(txtLog.InvokeRequired)delOneStrdd=newdelOneStr(AppendLog);txtLog.Invoke(dd,newobject_log);elseStringBuilderbuilder;if(txtLog.Lines.Length99)builder=newStringBuilder(txtLog.Text);builder.Remove(0,txtLog.Tex

5、t.IndexOf(r,3000)+2);builder.Append(_log);txtLog.Clear();txtLog.AppendText(builder.ToString();elsetxtLog.AppendText(_log);privatevoidLogWatcher()while(logWatching)LoggingEventevents=logger.GetEvents();if(events!=null&events.Length0)logger.Clear();foreach(LoggingEventevinevents)ev.Rendestringline=ev.LoggerName+:+redMessage+rn;AppendLog(line);Thread.Sleep(500);privatevoidtimer1_Tick(objectsender,EventArgse)Randomr=newRandom();intx=r.Next(1,4);switch（x）case1:log.Info（通知：通知通知通知）；break;case2:log.Warn（“警告：警告警告警告警告警告警告“）；break;case3:log.Error（