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i have a basic question.
lets say we have 3 classes:
Class S, class A, class B
A and B inherits S.
A has a property A1 and B has a property B1.
we also have a collection of objects that has A and B objects.
ex.
Dim c as Collection = new Collection
c.add(new A)
c.add(new B)
Now we want to make a general object that will read from the collection.
ex .
Dim obj as S
how can we cast obj in order to see properties A1 or B1 according to the class;
You can use TypeOf to test the object type before casting although TryCast might be better depending on what you want to do. Also take a look at DirectCast.