Signals and slots implementation in Delphi?

Question

Does an implementation of the signals and slots mechanism for event dispatching exist for Delphi?

Answer 1

Search for multicast events. There are a few implementations out there, e.g.

• http://www.deltics.co.nz/blog/?p=137
• http://blogs.embarcadero.com/abauer/2008/09/03/38867
• http://www.codebot.org/delphi/?doc=9568

Some of them need generics, so are D>2009 only.