VB.NET Language in a Nutshell, Second Edition

Obsolete Programming Elements

The following list shows some of the programming elements that have been removed from Visual Basic .NET:

As Any

All parameters are required to have a declared data type.

Atn function

Replaced by System.Math.Atan.

Calendar property

Handled by classes in the System.Globalization namespace.

Circle statement

Use methods in the System.Drawing namespace.

Currency data type

Replaced by the Decimal data type.

Date function

Replaced by the Today property of the DateTime structure in the System namespace.

Date statement

Replaced by the Today statement.

Debug.Assert method

Replaced by the Assert method of the Debug class of the System.Diagonistics namespace.

Debug.Print method

Replaced by the Write and WriteLine methods of the Debug class of the System.Diagonistics namespace.

Deftype statements

Not supported.

DoEvents function

Replaced by the DoEvents method of the Application class in System. Windows.Forms namespace.

Empty keyword

Replaced by the Nothing keyword.

Eqv operator

Use the equal sign.

GoSub statement

Not supported.

Imp operator

A Imp B is logically equivalent to (Not A) Or B.

Initialize event

Replaced by the constructor method.

Instancing property

Use the constructor to specify instancing.

IsEmpty function

Not supported because the Empty keyword is not supported.

IsMissing function

Not supported because every optional parameter must declare a default value.

IsNull function

Not supported. The Null keyword is replaced by Nothing.

IsObject function

Replaced by the ...