How to run a PowerShell script from a C# program?

Question

I have a PowerShell script that accepts user inputs as user credentials. It prompts a window asking for a username and password. I want to run this script using C#. How can I do this?

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– lit, Commented Oct 10, 2018 at 14:29

Modro · Accepted Answer · 2019-08-23 10:16:10Z

1

You need to add a project reference to the System.Management.Automation assembly* and System.Collections.Objectmodel (for execution output).

You will then need to create a static method for the PowerShell class (Note: PowerShell class implements IDisposable so you need to wrap it in a using block):

using (PowerShell PowerShellInstance = PowerShell.Create())
    {
    }

Use the add script method (PowerShellInstance.AddScript()) to add your script.

From there you can execute your script Synchronously or Asynchronously using .Invoke() and .BeginInvoke() respectfully.

Reference this MSDN Blog here: https://blogs.msdn.microsoft.com/kebab/2014/04/28/executing-powershell-scripts-from-c/

edited Aug 23, 2019 at 10:16

Modro

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answered Oct 10, 2018 at 14:31

Peter Kay

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