ObservableCollectionWithAddRange adds the AddRange and ClearAndAddRange methods to the ObservableCollection.
This can be used to speed up operations with WPF collection bindings that handle a lot of changes.
This package is based on the following articles:
What it looks like with the default System.Collections.ObjectModel.ObservableCollection:
var collection = new ObservableCollection<int> { 1, 2 };
collection.CollectionChanged += (s, e) => Console.WriteLine($"CollectionChanged: {e.Action}");
// Array with new items
var newItems = new[] { 3, 4, 5 };
// Replace all items by new items
collection.Clear();
foreach (var item in newItems)
{
collection.Add(item);
}
// Output:
// CollectionChanged: Reset
// CollectionChanged: Add
// CollectionChanged: Add
// CollectionChanged: AddWhat it looks like with ObservableCollectionWithAddRange:
// Denxorz.ObservableCollectionWithAddRange
var collection = new ObservableCollectionWithAddRange<int> { 1, 2 };
collection.CollectionChanged += (s, e) => Console.WriteLine($"CollectionChanged: {e.Action}");
// Array with new items
var newItems = new[] { 3, 4, 5 };
// Replace all items by new items
collection.ClearAndAddRange(newItems);
// Output:
// CollectionChanged: Resetversion 2.1.2: Added .NET 8.0
version 2.1.1: Added .NET 5.0
version 2.1: Added .NET Framework 4.5.2 again
version 2.0: Converted to .NET Standard 2.0
version 1.0: First version (.NET Framework 4.5.2)