log4net使用代码配置，实现动态文件打印

E:\vs_workspace\Log4NetTest2010\Log4NetTest2010\bin\Debug\Log4NetTest2010.exe.config E:\vs_workspace\Log4NetTest2010\Log4NetTest2010\bin\Debug\Log4NetTest2010.exe E:\vs_workspace\Log4NetTest2010\Log4NetTest2010\bin\Debug\Log4NetTest2010.pdb E:\vs_workspace\Log4NetTest2010\Log4NetTest2010\bin\Debug\log4net.dll E:\vs_workspace\Log4NetTest2010\Log4NetTest2010\bin\Debug\log4net.xml E:\vs_workspace\Log4NetTest2010\Log4NetTest2010\obj\x86\Debug\ResolveAssemblyReference.cache E:\vs_workspace\Log4NetTest2010\Log4NetTest2010\obj\x86\Debug\Log4NetTest2010.exe E:\vs_workspace\Log4NetTest2010\Log4NetTest2010\obj\x86\Debug\Log4NetTest2010.pdb