private void button1_Click(object sender, System.EventArgs e) { // Create the reader for data. FileStream fs = new FileStream("c:\\grim.tab", FileMode.Open, FileAccess.Read); BinaryReader r = new BinaryReader(fs);
FileStream fs2 = new FileStream("c:\\text.txt", FileMode.Create); BinaryWriter w = new BinaryWriter(fs2); fs.Position = 4; while(fs.Position < fs.Length) { w.Write((byte)(r.ReadByte()^ 0xdd)); } r.Close(); w.Close(); fs.Close(); fs2.Close();