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What’s best practice for a WPF windows application re where to store confirm data that a child window captures?
That is, say from main page you click “configure” to jump to a configuration window/dialog. Where should the config data be stored so that when finished the main screen can access it when the user clicks on a button that initiates an event that needs the config data.
Would putting the data as instance variables in the main window class be the normal way?
I would expect that you are persisting the configuration data in some way (file, db, etc.)
I would write the configuration window to be interact with the objects that model that data and be independent of the main window.
Also since you probably only need a single instance of configuration data it makes sense to make it a singleton. You could then create an event that is fired when your configuration data changes that your main screen handles.