public ExtendedProperties Clone()
{
var clone = new ExtendedProperties();
this.Each(ep => clone.Add(ep.Clone()));
return(clone);
}
public ExtendedProperty <U> Property <U>(Expression <Func <T, U> > exp)
{
var key = getKey(exp);
if (_extendedProperties.Contains(key))
{
return(_extendedProperties[key].DowncastTo <ExtendedProperty <U> >());
}
var extendedProperty = new ExtendedProperty <U>
{
Name = key,
ValueAsObject = default(U)
};
_extendedProperties.Add(extendedProperty);
return(_extendedProperties[key].DowncastTo <ExtendedProperty <U> >());
}