Run powershell script in C#

powershell.cs

using System.Management.Automation.Runspaces;

public static class Powershell
{
	public static T ExecuteScript<T>(string script, string returnVariableName)
	{
		using (Pipeline pipeline = RunspaceFactory.CreateRunspace().CreatePipeline())
		{
			pipeline.Commands.AddScript(script);
			pipeline.Runspace.Open();
			pipeline.Invoke();
			return (T)pipeline.Runspace.SessionStateProxy.GetVariable(returnVariableName);
		}
	}
}