Changes to Data Types
Several changes to data types and user-defined types have evolved in Visual Basic .NET. Those changes are described in this section.
Currency Data Type
The Currency type has been replaced by the Decimal type. Changes to value types are described in the section on “Data Types” in Chapter 2, “Out with the Old, In with the New.”
DefType Is Not Supported
Visual Basic 6 allowed you to add a DefType statement at the module level. For example, DefBool B indicates that all variables that are introduced without a variable type and begin with the letter B default to a Boolean data type.
VB6 supported DefBool, DefByte, DefCur, DefDate, DefDbl, DefDec, DefInt, DefLng, DefObj, DefSng, DefStr, and DefVar, followed by a range of letters; ...
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