static void Main(string[] args)
{
Program1 p = new Program1();
p.fileStream = new FileStream(@"d:\words.txt", FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None);
p.fileStream.SafeFileHandle.Dispose();
ReadKey();
}
static void Main(string[] args)
{
using (var p = new Program1());
ReadKey();
}