Running PowerShell Script from C# has no effect

Question

I have created the following C# code to run a powershell script:

static void Main(string[] args)
        {

            PowerShell ps = PowerShell.Create();
            string script = "";
            script = "Set-WinUserLanguageList -LanguageList en-US,de-DE,uk ";
            ps.AddScript(script);
            var result = ps.Invoke();

            Console.WriteLine(result);
            Console.ReadLine();
        }

If I run Set-WinUserLanguageList -LanguageList en-US,de-DE,uk from PowerShell, it is working fine and my windows language list changes in the defined order (EN,GER,UK). But if I run my C# code nothing happens.

I checked Google but couldn't find any vital difference...

Anyone has an idea what I have to change in my C# code to make it working?

Thanks!

When you use .AddScript(), any errors that occur during execution of the PowerShell code do not surface as exceptions in your C# program; instead, you must examine the .Streams.Error collection (.HadErrors is a Boolean that indicates whether any errors occurred) - see this answer for details. — mklement0
– mklement0, Commented Apr 25, 2023 at 12:35

Mahesh Anakali · Accepted Answer · 2023-04-25 14:33:21Z

1

Add -Force flag to the command

i.e Set-WinUserLanguageList -Force -LanguageList en-US,de-DE

answered Apr 25, 2023 at 14:33

Mahesh Anakali

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