Mastering Windows PowerShell Scripting - Second Edition

Using namespaces

Many of the examples used in this chapter have involved typing the full namespace path to get to a class name. This requirement can be eased with the using keyword.

For example, if a script does a lot of work with the System.Net.NetworkInformation class, the requirement to type the namespace every time can be removed. This allows the System.Net.NetworkInformation.NetworkInterface class to be used with a much shorter type name:

using namespace System.Net.NetworkInformation 

With this statement in place, classes can be used without the long namespace:

[NetworkInterface]::GetAllNetworkInterfaces() 

If the namespace is present within an assembly which is not loaded by default, the using assembly command should be added first. ...