Powershell Methode Compare-Object als C-Sharp Methode

Begin Differences (1 differences):
Types [List`1.Count,List`1.Count], Item Expected != Actual, Values (133,134)
End Differences (Maximum of 1 differences shown).

public static class MonitoredKeys
    {
        public static object StartValues { get; set; }
        public static object EndValues { get; set; }
    }

public class CurrentKey
    {
        public string KeyName { get; set; }
        public object Values { get; set; }
    }

public List<CurrentKey> GetSubkeysValue(string regPath, RegistryHive regHive, RegistryView regView)
        {
            List<CurrentKey> cList = new List<CurrentKey>();
            using (var hiveKey = RegistryKey.OpenBaseKey(regHive, regView))
            using (var key = hiveKey.OpenSubKey(regPath))
            {
                var subkeys = key.GetSubKeyNames();

                foreach (var subkey in subkeys)
                {
                    var before = GetKeyValue(hiveKey, Path.Combine(regPath, subkey));
                    cList.Add(new CurrentKey
                    {
                        KeyName = Path.Combine(regPath, subkey),
                        Values = before
                    });
                }
            }
            return cList;
        }
        internal List<KeyValuePair<string, object>> GetKeyValue(RegistryKey hive, string keyName)
        {
            object value;
            List<KeyValuePair<string, object>> curList = new List<KeyValuePair<string, object>>();
            using (var key = hive.OpenSubKey(keyName))
            {
                foreach (var valueName in key.GetValueNames())
                {
                    try
                    {
                        value = key.GetValue(valueName);
                        curList.Add(new KeyValuePair<string, object>(valueName, value));
                    }
                    catch (Exception) {}
                }
            }
            return curList;
        }

var comparer = new ObjectComparer(new PublicPropertyObjectGraphFactory());
IEnumerable<ObjectComparisonMismatch> mismatches;
bool result = comparer.Compare(left, right, out mismatches);

foreach (var mismatch in mismatches)
{
    Console.Out.WriteLine("\t'{0}' = '{1}' and '{2}'='{3}' do not match. '{4}'",  
        mismatch.LeftObjectNode.Name, mismatch.LeftObjectNode.ObjectValue,
        mismatch.RightObjectNode.Name, mismatch.RightObjectNode.ObjectValue,
        mismatch.MismatchType);
}