using System;
using System.IO;
class MainClass
{
public static void Main(string[] args)
{
FileInfo file = new FileInfo("c:\\test.txt");
// Display directory information.
DirectoryInfo dir = file.Directory;
Console.WriteLine("Checking directory: " + dir.Name);
Console.WriteLine("In directory: " + dir.Parent.Name);
Console.Write("Directory exists: ");
Console.WriteLine(dir.Exists.ToString());
}
}
Checking directory: c:\
Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an ob
ject.
at MainClass.Main(String[] args)