Chapter 3 Major VB.NET Changes(3)

Chapter 3 Major VB.NET Changes(3)

B6, you could call this sub in one of two ways:

foo “Hello ”

Call foo(“Hello ”)

In VB.NET, you also could call this sub in one of two ways:

Foo(“Hello ”)

Call foo(“Hello ”)

The difference, of course, is that the parentheses are always required in the VB.NET

calls, even though you aren’t returning anything. The Call statement is still sup-ported,

but it is not really necessary.

Changes to Boolean Operators

The And , Not , and Or operators were to have undergone some changes. Microsoft

originally said that the operators would short-circuit, but now they are staying the

way they worked in VB6. This means that in VB.NET, as in VB6, if you had two

parts of an And statement and the first failed, VB6 still examined the second part.

Examine the following code: