线程安全的读取拼多多买手订单

AllBase/Util/ObservableCollectionThreadSafe.cs

@@ -23,6 +23,40 @@ namespace AllBase.Util
             _dispatcher = Dispatcher.CurrentDispatcher;
             _lock = new ReaderWriterLockSlim();
         }
+
+        public ObservableCollectionThreadSafe(List<T> list) : base((IList<T>)((list != null) ? new List<T>(list.Count) : list))
+        {
+            _dispatcher = Dispatcher.CurrentDispatcher;
+            _lock = new ReaderWriterLockSlim();
+
+            CopyFrom(list);
+        }
+
+        public ObservableCollectionThreadSafe(IEnumerable<T> collection)
+        {
+            if (collection == null)
+            {
+                throw new ArgumentNullException("collection");
+            }
+
+            _dispatcher = Dispatcher.CurrentDispatcher;
+            _lock = new ReaderWriterLockSlim();
+            CopyFrom(collection);
+        }
+
+        private void CopyFrom(IEnumerable<T> collection)
+        {
+            IList<T> items = base.Items;
+            if (collection == null || items == null)
+            {
+                return;
+            }
+
+            foreach (T item in collection)
+            {
+                items.Add(item);
+            }
+        }
         #endregion