Anonymous Methods
Storing code in a collection : TDictionary and Anonymous Methods
In my earlier post, I mentioned you could use the new generic collection classes in Delphi 2009 to store anonymous methods instead of data. I wanted to try this out so I came up with the scenario of implementing factory classes as an excuse to experiment.
Factories can be a very useful way to centralise [...]
A TDictionary explanation
On the recent Delphi 2009 roadshow in Australia, I had a few people ask me about the new TDictionary<TKey, TValue> container in Generics.Collections. If you haven’t played with it yet, Roland Beenhakker has a nice write up on using it, but most of the questions I was getting were not about how to use [...]
Anonymous Methods, Generics and Enumerators
I’ve been playing around with Anonymous Methods in Delphi 2009 a little bit lately, and I thought one of my experiments might be worth sharing.
I decided I would try to extend TList<T> so that when you enumerate over it in a for..in loop, not every item would be returned. Specifically, only items that passed [...]
