ContentControl not updating. The wrong thing to use in that view or am I just not binding and updating. Bind to element inside contentcontrol in WPF. INotifyPropertyChanged event fires, but UI not updated if. Business rules and the updating of. Meaningless in WPF. When you declare a binding with. MVVM ContentControl's view will not. Mvvm-contentcontrols-view-will-not-refresh?forum=wpf Question 11 9:19. To update after.

Certianly, the template selector wrapper will result in new data templates created for every instance which will solve the problem. Undelete Plus Download Freeware here. However, if the data template will be applied to large number of items for controls such as list box or tree view, this approach comes with performance overhead. Serials 2k 7.1 there. WPF caches DataTemplate on object type for good reasons, otherwise every instance will have a copy. If I were to solve the same problem, I would code up the presentation logic in one view class where you can switch the presentation style depending on some dependency properties from the view models.

In other words, one view model type has exactly one view to present or multiple views with different resource keys and template selectors. Hi, 'The issue I get here is related to the fact that WPF, by design, caches view instances.' That's not really true; Saying that WPF 'caches views' only depends on how you implement MVVM. The only thing that's by WPF design, is that WPF's DataTempate engine out of the box creates a DataTemplate for a single content instance only once. In your case, indeed resulting in your ' myViews: SomeView' being created only once.

Cool Flame Co2 Maximizer Manual. I've encountered the same issue before, and resolved it as follows; A custom ContentControl was created that essentially does this: It uses a ContentTemplateSelector that will: 1. Find the template that would be applied for ' app: SomeViewModel' 2. Wrap that template in another template, which is a new instance for every call. So if you call the code for different instances of ' app: SomeViewModel', different wrapping templates will be created, resulting in your ' myViews: SomeView' being created mutiple times. Certianly, the template selector wrapper will result in new data templates created for every instance which will solve the problem. However, if the data template will be applied to large number of items for controls such as list box or tree view, this approach comes with performance overhead.