convert to C# & update config system

Pilz.Configuration/ConfigurationManagerList.cs

@@ -0,0 +1,88 @@
+using System.Collections;
+using System.Collections.Generic;
+using Pilz.GeneralEventArgs;
+
+namespace Pilz.Configuration
+{
+    public class ConfigurationManagerList : IList<ConfigurationManager>
+    {
+        public event GettingParentManagerEventHandler GettingParentManager;
+
+        public delegate void GettingParentManagerEventHandler(object sender, GetValueEventArgs<SimpleConfiguration> e);
+
+        private readonly List<ConfigurationManager> myList = new List<ConfigurationManager>();
+
+        private object GetParentManager()
+        {
+            var args = new GetValueEventArgs<SimpleConfiguration>();
+            GettingParentManager?.Invoke(this, args);
+            return args.Value;
+        }
+
+        public ConfigurationManager this[int index]
+        {
+            get => myList[index];
+            set => myList[index] = value;
+        }
+
+        public int Count => myList.Count;
+
+        public bool IsReadOnly => false;
+
+        public void Insert(int index, ConfigurationManager item)
+        {
+            myList.Insert(index, item);
+            item.SetConfiguration((SimpleConfiguration)GetParentManager());
+        }
+
+        public void RemoveAt(int index)
+        {
+
+        }
+
+        public void Add(ConfigurationManager item)
+        {
+            item.SetConfiguration((SimpleConfiguration)GetParentManager());
+        }
+
+        public void Clear()
+        {
+            foreach (ConfigurationManager item in myList)
+                item.SetConfiguration(null);
+            myList.Clear();
+        }
+
+        public void CopyTo(ConfigurationManager[] array, int arrayIndex)
+        {
+            myList.CopyTo(array, arrayIndex);
+        }
+
+        public int IndexOf(ConfigurationManager item)
+        {
+            return myList.IndexOf(item);
+        }
+
+        public bool Contains(ConfigurationManager item)
+        {
+            return myList.Contains(item);
+        }
+
+        public bool Remove(ConfigurationManager item)
+        {
+            item.SetConfiguration(null);
+            return myList.Remove(item);
+        }
+
+        public IEnumerator<ConfigurationManager> GetEnumerator()
+        {
+            return (IEnumerator<ConfigurationManager>)IEnumerable_GetEnumerator();
+        }
+
+        private IEnumerator IEnumerable_GetEnumerator()
+        {
+            return myList.GetEnumerator();
+        }
+
+        IEnumerator IEnumerable.GetEnumerator() => IEnumerable_GetEnumerator();
+    }
+}