internal KeyValuePair <Key, double>?LastEventWhenMore(Key to, double threshold)
{
if (Predicates.Less(to, From))
{
return(null);
}
if (Maximum <= threshold)
{
return(null);
}
KeyValuePair <Key, double>?result = null;
if ((null != FirstChild) && (null != SecondChild))
{
result = SecondChild.LastEventWhenMore(to, threshold);
if (null == result)
{
result = FirstChild.LastEventWhenMore(to, threshold);
}
return(result);
}
Debug.Assert(null == FirstChild);
Debug.Assert(null == SecondChild);
if ((Close > threshold) && (Predicates.LessOrEqual(To, to)))
{
result = new KeyValuePair <Key, double>(To, Close);
}
else if (Open > threshold)
{
result = new KeyValuePair <Key, double>(From, Open);
}
return(result);
}