From: Family Tree Mike on 26 Feb 2010 11:27 "Andy B." wrote: > I thought you had to actually write the code for the interface. If you > implement IComparable, then you need to write your own custom code to make > the methods work. Andy, Yes you need to write the code behind the interface. What Jim is saying is that the Sort methods of the Collection datatypes depend on the objects implimenting IComparable. This means, if you want your classes instances to be sorted correctly, then you impliment the interface. If you don't so much care how they are sorted, then you don't need to impliment the inteface. Mike |