public override string ToString()
{
if (NameToken != null && ValueToken != null)
{
return(String.Format(CultureInfo.CurrentCulture, "{0} = {1}", NameToken.ToString(), ValueToken.ToString()));
}
else if (NameToken != null)
{
return(NameToken.ToString());
}
else if (ValueToken != null)
{
return(ValueToken.ToString());
}
return("?");
}