GroupDefinitions collection empty

[Vladimir]

Hi, I have a RadPropertyGrid with a combination of predefined and auto-generated properties organized in groups. I'm trying to implement a feature that remembers expanded/collapsed state of each group.
There's no problem with saving those states, a simple foreach on GroupDefinitions collection with all the groups is sufficient when a view is closing. But I can't find an event to subscribe to on the RadPropertyGrid when the view is being generated and GroupDefinitions collection is not empty. I have tried Loaded, Grouped, IsVisibleChanged and many more but no luck so far. Only if I pause an application when the view is already showed I can verify, that GroupDefinitions collection is indeed not empty. Maybe there's something I've missed, so I would appreciate any help. Thanks!

[Maya]

Hello Vitalij,

Currently, you need to set RenderMode property of the property grid to "Flat" and work with dispacher in the Loaded event for example:

private void RadPropertyGrid_Loaded(object sender, RoutedEventArgs e)
    {
        Dispatcher.BeginInvoke(new Action(() =>
        {
            var count = this.propertygrid.GroupDefinitions.Count();
        }));

    }

Regards,
Maya
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