ObservableCollectionEx is designed to postpone or disable notifications during collection update. The ObservanleCollectionEx is a direct replacement for ObservableCollection and could be used without any code modifications.
ObservableDictionary based on AVLTree with O(log N) insert/removal operations. Collection event aren't "Reset" but with proper positioning so it can be bound to the UI without affecting sort/group/highlight position on update.
Source code, usage and example can be found at...
A flexible, highly-performant Collection implementing INotifyPropertyChanged and INotifyCollectionChanged that can automatically detect changes to itself and the properties of its Items without any configuration
Cross-platform .NET library for computations whose arguments and results are objects that implement INotifyPropertyChanged and INotifyCollectionChanged (ObservableCollection) interfaces. The computations include ones similar to LINQ (collections), the computation of arbitrary expression (scalar...