Executing Powershell script in c# and wait for the result

Question

I have a console application and a method that executes a PowerShell script within the console application. So what I'm trying to achieve is running it and then waiting for the result before reading the next method. How would I go about this?

This already outputs the result. I just want to wait for the result to finish rather than jumping to the next method prematurely.

Example/what I'm trying to do

     Process.Start()
        //Wait for result here

The current method is below:

public void ExecutePowershellScript()
{
  var file = @"C:\Path\filename.ps1";
           
            var start = new ProcessStartInfo()
            {
                FileName = "powershell.exe",
                Arguments = $"-NoProfile -ExecutionPolicy unrestricted -file \"{file}\"",
                UseShellExecute = false
            };
            Process.Start(start);
}

Does this answer your question? Output Result from Powershell command to C# variable — Jim G.
– Jim G., Commented Aug 5, 2021 at 0:51
No. This already outputs the result. I just want to wait for the result to finish rather than jumping to the next method prematurely. I have edited my question. — Broski
– Broski, Commented Aug 5, 2021 at 0:54

Rusted Wizard · Accepted Answer · 2021-08-05 01:51:45Z

3

First make sure I understand your question. Are you looking for a way to wait until process finishes before continue the program execution ? if yes, there is an easy way:

process.WaitForExit()

Check out documentation here. Execute PowerShell script is actually start a new process. So, to guarantee that the execution has finished is simply waiting for process to exit.

answered Aug 5, 2021 at 1:51

Rusted Wizard

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