Adds an element to a Delphi set or adds an event handler in .NET applications.
procedure Include(var S: set of T; I: T);
Include(set of T S, T I);
System
When the first argument of Include is a set type variable, Include adds an element to the set. The expression Include(S,I) corresponds to S := S + [I], where S is a set type variable, and I is an expression of a type compatible with the base type of S. The Include procedure generates more efficient code than using the + operator.
On the .NET platform, Include is overloaded. When the first argument of Include is a multicast event, and the second argument is an event handler, Include adds the event handler as a listener to the event.
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