O'Reilly logo

VB.NET Language in a Nutshell, Second Edition by Steven Roman PhD, Paul Lomax, Ron Petrusha

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Name

IsNothing Function

Class

Microsoft.VisualBasic.Information

Syntax

IsNothing(expression)
expression (required; any)

Return Value

Boolean

Description

Determines whether expression evaluates to Nothing. The line:

If IsNothing(obj) Then

is equivalent to:

If obj Is Nothing Then

VB.NET/VB 6 Differences

The IsNothing function is new to VB.NET.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required