Sicherung gnaz neu

NHotkey/NHotkey.Wpf/WeakReferenceCollection.cs

@@ -1,45 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Linq;
-
-namespace NHotkey.Wpf
-{
-    class WeakReferenceCollection<T> : IEnumerable<T>
-        where T : class
-    {
-        private readonly List<WeakReference> _references = new List<WeakReference>();
-        
-        public IEnumerator<T> GetEnumerator()
-        {
-            var references = _references.ToList();
-            foreach (var reference in references)
-            {
-                var target = reference.Target;
-                if (target != null)
-                    yield return (T) target;
-            }
-            Trim();
-        }
-
-        public void Add(T item)
-        {
-            _references.Add(new WeakReference(item));
-        }
-
-        public void Remove(T item)
-        {
-            _references.RemoveAll(r => (r.Target ?? item) == item);
-        }
-
-        public void Trim()
-        {
-            _references.RemoveAll(r => !r.IsAlive);
-        }
-
-        IEnumerator IEnumerable.GetEnumerator()
-        {
-            return GetEnumerator();
-        }
-    }
-}