If you find yourself using certain .NET types frequently, you may want to make your life easier and implement shortcuts.

For example, there is a .NET type called "System.IO.Path" with a lot of useful path functionalities:

[System.IO.Path]::ChangeExtension('c:\test.txt', 'bak')

If you feel tired typing the long .NET type name all the time, simply add a shortcut like so:

[PSObject].Assembly.GetType("System.Management.Automation.TypeAccelerators")::Add('Path', [System.IO.Path])

Now, you can access the very same functionality via your new shortcut "Path":

[Path]::ChangeExtension('c:\test.txt', 'bak')

To get a list of all methods and properties supported by a type, try this:

[Path] | Get-Member -Static

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