VB.NET Language in a Nutshell

Class

System.Diagnostics.Debug

Syntax

Debug.WriteLineIf( booleanexpression , Output [, Category ])

booleanexpression (required; Boolean)

Condition required for output to be produced

Output (required; String or Object)

The string to be sent to the Output window, or the object whose name is to be sent to the Output window

Category (optional; String)

A category name used to group output messages

Description

Prints text followed by a newline character in the Output window in the design- time environment, provided that booleanexpression is True

Rules at a Glance

This method behaves identically to Debug.WriteLine, except that nothing is output unless booleanexpression is True .

See Also

Debug.Write Method, Debug.WriteIf Method, Debug.WriteLine Method