public string GetCurrentDirectory(IFTPConnection connection)
{
int i = 0;
do
{
string [] msgs = connection.SendCommand("PWD");
CurrentDirectory = extract_directory(msgs);
connection.SetCurrentDirectory(CurrentDirectory);
i++;
if (i == 3)
throw new ApplicationException("Cannot get current directory!");
} while (CurrentDirectory == null);
_cwdIsDirty = false;
return CurrentDirectory;
}