July 6, 2002

If you’re using a COM object through COM Interop you should be aware that the object isn’t released as soon as you set it to Nothing, as it happens with

.NET Boolean values require 4 bytes each, as opposed to the 2 byte taken under previous VB versions. When creating very large Boolean arrays this extra memory impacts negatively on

The System.Collections.Specialized.BitVector32 structure can be used to store up to 32 boolean values, or a set of small integers that can take up to 32 consecutive bits. The BitVector32 is

Unlike previous Visual Basic versions, under VB.NET you can’t use the Len function to calculate the length of a Structure or a class. However, it is easy to get this

Thanks to COM Interop, you can still use the Microsoft Script Control from VB.NET and any other .NET language. To do so, you must add a reference to the Microsoft