protected override object EvaluationInternal(IDictionary <object, object> parameters)
{
object left = LeftOprand.Evaluation(parameters);
object right = RightOprand.Evaluation(parameters);
if (left == null || right == null)
{
return(null);
}
if (left == UnEvaluatable || right == UnEvaluatable)
{
return(UnEvaluatable);
}
return(null);
}
protected override object EvaluationInternal(IDictionary <object, object> parameters)
{
object left = LeftOprand.Evaluation(parameters);
object right = RightOprand.Evaluation(parameters);
if (left == null || right == null)
{
return(null);
}
if (left == UnEvaluatable || right == UnEvaluatable)
{
return(UnEvaluatable);
}
bool b1 = false, b2 = false;
if (Boolean.TryParse(left.ToString(), out b1) && Boolean.TryParse(right.ToString(), out b2))
{
return(b1 != b2 ? LiteralBoolean.TRUE : LiteralBoolean.FALSE);
}
return(LiteralBoolean.FALSE);
}