VSTalk.Engine.ViewModel.ContactList.ClientResourcesManager.AddResource C# (CSharp) Method

        private void AddResource(IClientResource targetResource)
        {
            if (ActiveResources.Contains(_nullResource))
            {
                ActiveResources.Remove(_nullResource);
            }
            var position = Position(ActiveResources, targetResource);
            ActiveResources.Insert(position, targetResource);
        }