private void RollForwardOnFile(string file2Rollback, TransactionEntry entry)
{
FileInfo fi = new FileInfo(file2Rollback);
int addressToWrite = entry.SymbolAddress;
while (addressToWrite > fi.Length) addressToWrite -= (int)fi.Length;
Tools.Instance.savedatatobinary(addressToWrite, entry.SymbolLength, entry.DataAfter, file2Rollback, false, Tools.Instance.m_currentFileType);
VerifyChecksum(Tools.Instance.m_currentfile, false, false);
}