socketTCP通信心跳包

winform的socket通信中连接是否正常，最好通过心跳包来确定，本程序就是一个简单的心跳包实例，简单、易懂~

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2012-12-24 14:40  socket心跳包\
     目录           0  2012-12-24 14:40  socket心跳包\ConsoleApplication2\
     目录           0  2012-12-24 14:40  socket心跳包\ConsoleApplication2\ConsoleApplication2\
     文件         899  2012-12-21 16:22  socket心跳包\ConsoleApplication2\ConsoleApplication2.sln
     文件       21504  2012-12-21 17:24  socket心跳包\ConsoleApplication2\ConsoleApplication2.suo
     目录           0  2012-12-24 14:40  socket心跳包\ConsoleApplication2\ConsoleApplication2\bin\
     目录           0  2012-12-24 14:40  socket心跳包\ConsoleApplication2\ConsoleApplication2\bin\Debug\
     文件        6144  2012-12-21 17:04  socket心跳包\ConsoleApplication2\ConsoleApplication2\bin\Debug\ConsoleApplication2.exe
     文件       15872  2012-12-21 17:04  socket心跳包\ConsoleApplication2\ConsoleApplication2\bin\Debug\ConsoleApplication2.pdb
     文件       11600  2012-12-21 17:08  socket心跳包\ConsoleApplication2\ConsoleApplication2\bin\Debug\ConsoleApplication2.vshost.exe
     文件         490  2010-03-17 22:39  socket心跳包\ConsoleApplication2\ConsoleApplication2\bin\Debug\ConsoleApplication2.vshost.exe.manifest
     文件        2459  2012-12-21 16:22  socket心跳包\ConsoleApplication2\ConsoleApplication2\ConsoleApplication2.csproj
     目录           0  2012-12-24 14:40  socket心跳包\ConsoleApplication2\ConsoleApplication2\obj\
     目录           0  2012-12-24 14:40  socket心跳包\ConsoleApplication2\ConsoleApplication2\obj\x86\
     目录           0  2012-12-24 14:40  socket心跳包\ConsoleApplication2\ConsoleApplication2\obj\x86\Debug\
     文件         629  2012-12-21 17:08  socket心跳包\ConsoleApplication2\ConsoleApplication2\obj\x86\Debug\ConsoleApplication2.csproj.FileListAbsolute.txt
     文件        6144  2012-12-21 17:04  socket心跳包\ConsoleApplication2\ConsoleApplication2\obj\x86\Debug\ConsoleApplication2.exe
     文件       15872  2012-12-21 17:04  socket心跳包\ConsoleApplication2\ConsoleApplication2\obj\x86\Debug\ConsoleApplication2.pdb
     文件        5881  2012-12-21 17:04  socket心跳包\ConsoleApplication2\ConsoleApplication2\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     目录           0  2012-12-24 14:40  socket心跳包\ConsoleApplication2\ConsoleApplication2\obj\x86\Debug\TempPE\
     文件        2318  2012-12-21 17:04  socket心跳包\ConsoleApplication2\ConsoleApplication2\Program.cs
     目录           0  2012-12-24 14:40  socket心跳包\ConsoleApplication2\ConsoleApplication2\Properties\
     文件        1394  2012-12-21 16:22  socket心跳包\ConsoleApplication2\ConsoleApplication2\Properties\AssemblyInfo.cs
     目录           0  2012-12-24 14:39  socket心跳包\WindowsFormsApplication3\
     目录           0  2012-12-24 14:39  socket心跳包\WindowsFormsApplication3\WindowsFormsApplication3\
     文件         914  2012-12-20 08:49  socket心跳包\WindowsFormsApplication3\WindowsFormsApplication3.sln
     文件       31744  2012-12-21 17:24  socket心跳包\WindowsFormsApplication3\WindowsFormsApplication3.suo
     目录           0  2012-12-24 14:39  socket心跳包\WindowsFormsApplication3\WindowsFormsApplication3\bin\
     目录           0  2012-12-24 14:39  socket心跳包\WindowsFormsApplication3\WindowsFormsApplication3\bin\Debug\
     文件       11264  2012-12-21 16:50  socket心跳包\WindowsFormsApplication3\WindowsFormsApplication3\bin\Debug\WindowsFormsApplication3.exe
     文件       30208  2012-12-21 16:50  socket心跳包\WindowsFormsApplication3\WindowsFormsApplication3\bin\Debug\WindowsFormsApplication3.pdb
............此处省略28个文件信息