From a870f7389fcd7ade29a996101205f988db7f1551 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Mon, 25 Jul 2016 16:23:30 +0900
Subject: [PATCH] [Modify] Polish it

---
 Example/Notifier.cs | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/Example/Notifier.cs b/Example/Notifier.cs
index f21eec32..5371c37a 100644
--- a/Example/Notifier.cs
+++ b/Example/Notifier.cs
@@ -11,16 +11,16 @@ namespace Example
   internal class Notifier : IDisposable
   {
     private volatile bool              _enabled;
+    private ManualResetEvent           _exited;
     private Queue<NotificationMessage> _queue;
     private object                     _sync;
-    private ManualResetEvent           _waitHandle;
 
     public Notifier ()
     {
       _enabled = true;
+      _exited = new ManualResetEvent (false);
       _queue = new Queue<NotificationMessage> ();
       _sync = ((ICollection) _queue).SyncRoot;
-      _waitHandle = new ManualResetEvent (false);
 
       ThreadPool.QueueUserWorkItem (
         state => {
@@ -40,8 +40,9 @@ namespace Example
             }
           }
 
-          _waitHandle.Set ();
-        });
+          _exited.Set ();
+        }
+      );
     }
 
     public int Count {
@@ -60,15 +61,16 @@ namespace Example
     public void Close ()
     {
       _enabled = false;
-      _waitHandle.WaitOne ();
-      _waitHandle.Close ();
+      _exited.WaitOne ();
+      _exited.Close ();
     }
 
     public void Notify (NotificationMessage message)
     {
-      lock (_sync)
+      lock (_sync) {
         if (_enabled)
           _queue.Enqueue (message);
+      }
     }
 
     void IDisposable.Dispose ()