Mastering Windows PowerShell Scripting - Third Edition

Inheritance

Classes in PowerShell can inherit from other classes (both classes in PowerShell and classes from the .NET Framework). The properties, constructors, and methods in a base class are available to an inheriting class.

The following example defines two classes – the second inherits from the first:

class MyBaseClass {    [String]$BaseProperty = 'baseValue'}class MyClass : MyBaseClass {    [String]$Property = 'Value'}

The BaseProperty property is made available on instances of the child class:

PS> [MyClass]::new()Property    BaseProperty--------    ------------Value       baseValue

Members may be overridden by re-declaring the member on the inheriting class. The ToString method implementation from the base class is overridden in the following example: ...