C#制作文件系统树形显示

C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\obj\Debug\ResolveAssemblyReference.cache C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\obj\Debug\Train_FileSys.Form1.resources C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\obj\Debug\Train_FileSys.Properties.Resources.resources C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\obj\Debug\Train_FileSys.csproj.GenerateResource.Cache C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\bin\Debug\Train_FileSys.exe C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\bin\Debug\Train_FileSys.pdb C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\obj\Debug\Train_FileSys.exe C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\obj\Debug\Train_FileSys.pdb C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\bin\Debug\images\disk.gif C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\bin\Debug\images\file.gif C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\bin\Debug\images\folder.gif C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\bin\Debug\images\OpenedFolder.gif C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\Train_FileSys\Train_FileSys\obj\Debug\Train_FileSys.Form2.resources