Added PredicateBuilder

Wrapper/ConcurrentQueueWrapper.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Chrosey.Extensions.Wrapper
+{
+    public class ConcurrentQueueWrapper<T>
+    {
+        private readonly ConcurrentQueue<T> queue = new ConcurrentQueue<T>();
+        public event EventHandler Changed;
+        protected virtual void OnChanged()
+        {
+            if (Changed != null) Changed(this, EventArgs.Empty);
+        }
+
+        public virtual void Enqueue(T item)
+        {
+            queue.Enqueue(item);
+            OnChanged();
+        }
+        public int Count { get { return queue.Count; } }
+
+        public virtual bool TryDequeue(out T item)
+        {
+            if (queue.TryDequeue(out item))
+            {
+                OnChanged();
+                return true;
+            }
+            return false;
+        }
+    }
+}