Selectable view model

Selectable<T>.cs

public class Selectable<T> : ViewModelBase
    {
        private bool _isSelected;

        public Selectable(T item)
        {
            Item = item;
            IsSelected = false;
        }

        public T Item { get; private set; }

        public bool IsSelected
        {
            get { return _isSelected; }
            set 
            { 
               if (Equals(_isSelected, value))
               {
                   return;
               }
               
               _isSelected = value;
               OnPropertyChanged(() => IsSelected);
            }
        }
    }