http://msmvps.com/blogs/bill/archive/2004/08/09/11442.aspx(Setting WithEvents to Nothing) Under the covers , Events use Delegates, and Delegates store a reference to the object in which the method address resides. (Sender property of Delegate). One major problem with this, is if you have shared components orenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://msmvps.com/blogs/bill/archive/2004/08/09/11442.aspx#11674Thu, 12 Aug 2004 12:07:00 GMTd67277c4-116b-43f1-b688-e9ef184ea916:11674billDo you see an unwire method being generated for all classes that have WithEvents fields? Or just forms?<div style="clear:both;"></div><img src="http://msmvps.com/aggbug.aspx?PostID=11674" width="1" height="1">