I seem to be getting a random crash. It's shown up more now on a physical device (iPhone 12 Pro Max). I can hardly reproduce the issue in the Simulator, although - I ...

I have a Xamarin.Forms project that has a CollectionView that is bound to an ObservableCollection. If I call Clear() on the ObservableCollection and then call Add() to add an item I get the exception.

In an app of any meaningful size, wrapping up common functionality in a composite control reduces the long-term effort needed to craft the app. Learn how to do just that right here. Programmers spend ...

Here’s a look -- with code samples -- at two series of updates that will improve the feature set and, most important, performance of Microsoft’s cross-platform UI solution. I have an interesting ...