Mastering Windows PowerShell Scripting - Third Edition

Calling methods

Calling a method on an existing instance of an object found using Get-WmiObject is similar to any .NET method call.

The following example gets and restarts the DNS Client service. The following operation requires administrative access:

$service = Get-WmiObject Win32_Service -Filter "DisplayName='DNS Client'" 
$service.StopService()     # Call the StopService method 
$service.StartService()    # Call the StartService method  

The WMI class can be used to find the details of a method; for example, the Create method of Win32_Share, as follows:

PS> (Get-WmiObject Win32_Share -List).Methods['Create']Name          : CreateInParameters  : System.Management.ManagementBaseObjectOutParameters : System.Management.ManagementBaseObjectOrigin : Win32_Share ...