using System;
using System.IO;
public class MainClass {
public static void Main() {
byte[] buf2 = new byte[] { 97, 112, 112, 108, 101, 115, 97, 117, 99, 101 };
FileStream s = new FileStream("Foo.txt", FileMode.Open);
Console.WriteLine("Length: {0}, Position: {1}", s.Length, s.Position);
if (s.CanSeek) {
s.Seek(13, SeekOrigin.Begin);
Console.WriteLine(
"Position: {0}", s.Position);
s.Write(buf2, 0, buf2.Length);
}
}
}
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