private void btnFix_Click(object sender, EventArgs e)
{
if (_stream != null && _stream.CanWrite && streamReader != null && textBox1.Text != "")
{
streamWriter = new SaveWriter(new FileStream(textBox1.Text, FileMode.OpenOrCreate));
// Load the whole stream into memory
MemoryStream memoryStream = new MemoryStream((int)streamReader.Length);
memoryStream.SetLength(streamReader.Length);
streamReader.Seek(0x00, SeekOrigin.Begin);
streamReader.ReadBlock(memoryStream.GetBuffer(), 0, (int)memoryStream.Length);
// Hash the contents
memoryStream.Position = 0x2D25C;
memoryStream.Write(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0, 20);
byte[] hash = SaveSHA1.ComputeHash(memoryStream.GetBuffer());
// Write the new digest
streamWriter.Seek(0x2D25C, SeekOrigin.Begin);
foreach (byte hashPart in hash)
{
streamWriter.WriteByte(hashPart);
}
streamWriter.Close();
MessageBox.Show("Save resigned.");
}
}