From 5d037fdec88538ede6b98a8eca7823f33eaa8d72 Mon Sep 17 00:00:00 2001
From: Ami Bar <amibar@gmail.com>
Date: Sat, 19 Dec 2009 17:43:01 +0200
Subject: [PATCH] Fixed WIG.OnIdle event bug

A null exception occurs when _onIdle is null.
---
 SmartThreadPool/WorkItemsGroup.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SmartThreadPool/WorkItemsGroup.cs b/SmartThreadPool/WorkItemsGroup.cs
index 33ec8d9..d5bec6b 100644
--- a/SmartThreadPool/WorkItemsGroup.cs
+++ b/SmartThreadPool/WorkItemsGroup.cs
@@ -325,7 +325,7 @@ namespace Amib.Threading.Internal
 						_stp.UnregisterWorkItemsGroup(this);
                         IsIdle = true;
                         _isIdleWaitHandle.Set();
-                        if (decrementWorkItemsInStpQueue && _onIdle.GetInvocationList().Length > 0)
+                        if (decrementWorkItemsInStpQueue && _onIdle != null && _onIdle.GetInvocationList().Length > 0)
                         {
                             _stp.QueueWorkItem(new WorkItemCallback(FireOnIdle));
                         }