public override string ToString()
{
string sP = Deferred != null?String.Format("({2} - {0}), Expr: {1}", Deferred.GetType().Name, Deferred.Expr, DeferredStatus) : null;
string sR = Result != null?String.Format("({0}), Value = {1}", Result.GetType().Name, Result) : null;
return(sP ?? sR ?? "(Unknown)");
}
