Here's what I have:<BR><BR>1: I have an old VB6 dll which appears to have a couple of class interfaces in it. They are just the interfaces, no implementation.<BR><BR>2: I have to actually ...

To create a VB interface, the programmer creates a class with methods and properties definitions that don't contain any implementation code in their bodies. The first step toward creating the ...

I am trying to execute the member function of a COM+ object from an ASP page, and getting the following error:<P>Error: 430 Class does not ... to be applicable; other VB COM+ objects (and other ...

Effectively this makes the interface keyword act more like an abstract class than an abstract interface. Visual Basic will not be able to create new Default Interface Methods at this time ...

Extension methods provide a great way for extending a class functionality -- but it's interfaces that let you use those methods anywhere you want. Extension methods let you add functionality to an ...

If you have a Dog class, for example, that derives from Animal, you can have a method that accepts an IReadOnlyList<Animal> and pass it an IReadOnlyList<Dog>. The IReadOnlyCollection interface, which ...