遍历盘符的所有文件目录

C:\Documents and Settings\Administrator\桌面\molu\molu\obj\Debug\ResolveAssemblyReference.cache C:\Documents and Settings\Administrator\桌面\molu\molu\obj\Debug\molu.Form1.resources C:\Documents and Settings\Administrator\桌面\molu\molu\obj\Debug\molu.Properties.Resources.resources C:\Documents and Settings\Administrator\桌面\molu\molu\obj\Debug\molu.csproj.GenerateResource.Cache C:\Documents and Settings\Administrator\桌面\molu\molu\bin\Debug\molu.exe C:\Documents and Settings\Administrator\桌面\molu\molu\bin\Debug\molu.pdb C:\Documents and Settings\Administrator\桌面\molu\molu\obj\Debug\molu.exe C:\Documents and Settings\Administrator\桌面\molu\molu\obj\Debug\molu.pdb