I'm assuming you're looking to get email notifications for responses to questions. We don't have that, yet, but we have something else. Let me push a button on your account. cheers Chris Maunder

Thanks for the help. I'm looking for the UI portion - the part to select the columns graphically. The data reading and parsing is the easy part. I did find this Column Definition Control[^]. I may have to convert this to C# for my use.

cvogt61457 wrote: It has many circular references between objects. It sounds like you've got a serious design problem. Except in a limited number of cases, an object graph should not have circular references, unless absolutely necessary. I would highly recommend rewriting the app to remove this condition if at all possible. cvogt61457 wrote: is there a way to get some notification or callback with a reference is defined There is no such event or callback to subscribe to unless the class that you're instantiating supplies it. A guide to posting questions on CodeProject[^] Dave Kreskowiak Microsoft MVP Visual Developer - Visual Basic      2006, 2007, 2008 But no longer in 2009...

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There is a ListBox as a Private Internal class to my class. This is what VS is seeing and is causing the error. I can do one of the following: 1. Put a simple class derived from Control before my class in its file 2. Move the internal ListBox class to a different file. 3. Make a designer or attach one to my class. Thanks for the help.