# All of .NET at Your Fingertips

Under every cmdlet is .NET, a library of thousands of ready-made tools, and PowerShell reaches any of them directly: a type in square brackets and :: call its static members, such as \[Math\]::Round, \[IO.Path\]::GetExtension and \[Guid\]::NewGuid(), and Add-Type compiles a few lines of C# into tools of your own.

![Cheat sheet for the lesson All of .NET at Your Fingertips: Under every cmdlet is .NET, a library of thousands of ready-made tools, and PowerShell reaches any of them directly: a type in square brackets and :: call its static members, such as \[Math\]::Round, \[IO.Path\]::GetExtension and…](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/720a13d1cf9e4e479c56cd4a33f2dc77.webp)

- Category: PowerShell
- Level: Freelancer
- Tags: add-type, guid, net, net-types-in-powershell, powershell, Static Member
- Updated: November 10, 2026

Source: https://www.ask-codey.com/cheat-sheets/powershell-dotnet-cheat-sheet