下面代码把d:\\文件夹重新命名为d:\\文件夹2
System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
startInfo.FileName = "cmd ";
startInfo.Arguments = " /c ren d:\\文件夹 文件夹2 ";
startInfo.UseShellExecute=false;
System.Diagnostics.Process.Start(startInfo);
System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
startInfo.FileName = "cmd ";
startInfo.Arguments = " /c ren d:\\文件夹 文件夹2 ";
startInfo.UseShellExecute=false;
System.Diagnostics.Process.Start(startInfo);
http://blog.csdn.net/liang4571231/archive/2008/12/02/3430482.aspx
Directory.Move(旧的全路径,新的全路径)