Calling powershell script from WPF application doesn't execute script

Question

I try to call a powershell script from within an WPF application (in App.xaml.cs) like this:

private void Application_Startup(object sender, StartupEventArgs e)
{
  var process = new Process();
  process.StartInfo.FileName = "powershell.exe";
  process.StartInfo.Arguments = @"\\WIN-SRV-2019\Betreuung-Release\Install.ps1";

  process.Start();
  process.WaitForExit();
  // ...
}

As a result the powershell window opens up shortly and then closes immediately without executing the script.

When i perform the following command on the command line (CMD):

C:\Users\Entwicklung>powershell \\WIN-SRV-2019\Betreuung-Release\Install.ps1

... everything works fine. The script gets executed as expected.

What am I doing wrong?

because in your test you are running cmd but in the code you want to run powershell? theres the problem — slow
– slow, Commented Apr 26, 2019 at 11:40
you can call PowerShell like this, your answer found here: stackoverflow.com/questions/24552404/… — Qusai Azzam
– Qusai Azzam, Commented Apr 26, 2019 at 11:45
Thanks but it should be possible to call powershell using Process, see social.msdn.microsoft.com/Forums/vstudio/de-DE/… — Abid
– Abid, Commented Apr 26, 2019 at 11:55

Abid · Accepted Answer · 2019-04-27 17:05:28Z

1

I finally found out what the problem was. I had to add -executionpolicy unrestricted to the arguments:

private void Application_Startup(object sender, StartupEventArgs e)
{
  var process = new Process();
  process.StartInfo.FileName = "powershell.exe";
  process.StartInfo.Arguments = @"-executionpolicy unrestricted \\WIN-SRV-2019\Betreuung-Release\Install.ps1";

  process.Start();
  process.WaitForExit();
  // ...
}

answered Apr 27, 2019 at 17:05

Abid

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