c#如何获取文件创建时间？实例代码

using System;
using System.IO;
class Class1 {
 static void Main(string[] args) {
  string[] cla = Environment.GetCommandLineArgs();
  if (cla.GetUpperBound(0) == 2) {
   FileInfo fi = new FileInfo(cla[1]);
   fi.MoveTo(cla[2]);
   Console.WriteLine("File Created:" + fi.CreationTime.ToString());
   Console.WriteLine("Moved to : " + cla[2]);
  } else
   Console.WriteLine("Usage: mv <source file> <destination file>");
 }
}