Mastering Windows PowerShell Scripting - Third Edition

Creating objects from hashtables

Many classes (or types) implement a constructor that does not require any arguments, for example, ADSISearcher (the type accelerator for System.DirectoryServices.DirectorySearcher).

An instance of the searcher may be created as follows, using one of the available constructors:

$searcher = [ADSISearcher]::new(    [ADSI]'LDAP://domain.com',    '(&(objectClass=user)(objectCategory=person))')$searcher.PageSize = 1000

Alternatively, it can be created from a hashtable, which can be easier to read, as each of the arguments has a clear name:

$searcher = [ADSISearcher]@{    SearchRoot = [ADSI]'LDAP://domain.com'    Filter     = '(&(objectClass=user)(objectCategory=person))'    PageSize   = 1000}

This technique is especially useful for ...