using Toolkit.Foundation; namespace Wallet; public partial class ItemCommandHeaderViewModel(IServiceProvider provider, IServiceFactory factory, IMediator mediator, IPublisher publisher, ISubscriber subscriber, IDisposer disposer, IContentTemplate template) : ObservableCollection(provider, factory, mediator, publisher, subscriber, disposer), INotificationHandler> { public IContentTemplate Template { get; set; } = template; public Task Handle(NotifyEventArgs args) { if (args.Sender is ItemCommandHeaderCollection commandCollection) { Reset(args => { foreach (IDisposable command in commandCollection) { args.Add(command); } }); } return Task.CompletedTask; } }