BindableBase.cs

public class BindableBase : INotifyPropertyChanged
{
  public event PropertyChangedEventHandler PropertyChanged;
  protected virtual bool SetProperty<T>(ref T field, T value, [CallerMemberName]string propertyName)
  {
    if (EqualityComparer<T>.Default.Equals(storage, value)) return false;

    storage = value;
    RaisePropertyChanged(propertyName);
    return true;
  }
}