How to maintain several views of the same data and update a tree

I have an object UiUser, which is displayed in my application in several different views. There are three different views which all have the User object i.e. search results, user tree and user table. Each of the views has the same menu items, so the user can be deleted from any of the views.
What I am trying to work out is how should I ensure the item is updated in all of the views?
I can fire a property change event with the UiUser and update two of the views i.e. search results and user table, but how do I update the tree?
I thought of overiding the equals/hashcode methods of the UserTreeNode to compare uiUser.getId () and I could then search the tree and find the tree node of the required UiUser. But I have reservations about this whole approach as it just seems wrong.
Any ideas of how to keep N views in sync, I really don't want all of the views to have tree nodes as this equally seems wrong. This should be a simple problem to solve and I'm sure lots of people have done it, I'm just not sure which is the best approach to take.
Thanks

Hi Jan,
This is so because each installer has a GUID that is used to check whether the application needs to be upgraded or not. (It's a Microsoft function).
What you can do is create a new installer with a different GUID (copy the installer in the projects), and check witha text editor whether this GUID has changed.
But any specific reason you need two seperate installs? You can run the application twice with a specific INI token:
allowmultipleinstances=True
Ton
Free Code Capture Tool! Version 2.1.3 with comments, web-upload, back-save and snippets!
Nederlandse LabVIEW user groep www.lvug.nl
My LabVIEW Ideas
LabVIEW, programming like it should be!

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I have an application in LV 2009, where I have created an installer. The installer installs to a directory called \Receiver relative to the Program Files directory. If I install this once to a computer, everything is OK.
However, I want to install the same application twice on the same computer. There should be no conflicts between the two applications, since I can configure them to work on different directories and ports. But if I call the installer again, and selects another directory, nothing is installed and I get the message "Installation Summary - No software will be installed or removed". It seems like the installer ignores that I have selected another directory, and just uses the default directory, relative to the Program Files directory.
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Message was edited by: joshz

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How to maintain several views of the same data and update a tree

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