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Asked: 2026-06-15T04:06:56+00:00

I’m developing a WPF C# app where I have a tree view control and

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I’m developing a WPF C# app where I have a tree view control and if the user clicks on a node in the tree, a node-specific detail ‘form’ appears in a named Grid somewhere else in the form. If you click on a different node in the tree, the displayed detail form checks if the contents are saved, is dismissed, and a new detail form appears in it’s place.

What I need is some starting advice. Can I still implement the forms as standalone xaml, then put some some of ‘container’ in the grid that I throw the form into as a child? Or just add the form as a grid child somehow. How do I programmatically load the form I want in the grid and communicate with it?

Thanks for any assistance!
Corey.

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1 Answer

  1. Editorial Team

    Use an event aggregator design pattern, see here for details:

    http://martinfowler.com/eaaDev/EventAggregator.html

    You can then have some other code which listens for the node change clicks via the event aggregator and response accordingly. This will decouple your code and make it more testable.

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