> You should not be performing any long-blocking operations on your main UI thread.
Some articles on this topic that I have found helpful are: http://msdn.microsoft.com/msdnmag/issues/03/02/Multithreading/default.aspx http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnforms/htm l/winforms06112002.asp Daniel =================================== This list is hosted by DevelopMentor® http://www.develop.com Some .NET courses you may be interested in: NEW! Guerrilla ASP.NET, 17 May 2004, in Los Angeles http://www.develop.com/courses/gaspdotnetls View archives and manage your subscription(s) at http://discuss.develop.com