You're reading from Mastering PowerShell Scripting - Fourth Edition

Product typeBook

Published inJun 2021

PublisherPackt

ISBN-139781800206540

Edition4th Edition

Tools

Windows Server

Concepts

System Administration

Author (1)

Chris Dent

Classes for parameters

PowerShell includes several attributes that you can use on parameters. Each of these classes inherits from another .NET type. The classes include:

Argument transformation attributes
Validation attributes
Classes for use with ValidateSet

You can implement each of these using classes in PowerShell.

Argument transformation attributes are used to test and potentially change the value being assigned to a variable before the assignment completes.

Argument-transformation attribute classes

An argument-transformation attribute is used to convert the value of an argument for a variable. The transformation operation is carried out before PowerShell completes the assignment to the variable, giving the opportunity to avoid type mismatch errors.

You can add argument-transformation attributes to any variable, including parameters in functions and scripts and properties in classes.

Classes for argument transformation must...

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Mastering PowerShell Scripting - Fourth Edition

Published in: Jun 2021Publisher: PacktISBN-13: 9781800206540

Author (1)

Chris Dent

Chris Dent is an automation specialist with deep expertise in the PowerShell language. Chris is often found answering questions about PowerShell in both the UK and virtual PowerShell user groups. Chris has been developing in PowerShell since 2007 and has released several modules over the years.
Read more about Chris Dent

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Classes for parameters

Argument-transformation attribute classes

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