using System.Management.Automation;

using System;

using System.Linq;

public class Program

{

    public static void Main()

    {       

        PSObject featureInfo = new PSObject();

        featureInfo.Members.Add(new PSNoteProperty("Ipv4Addresses", "10.7.5.0"));       

        var Ipv4Addresses = featureInfo.Properties["Ipv4Addresses"].Value as string[];          

        Console.WriteLine(Ipv4Addresses.First());       

    }

}