Code snippet example of how to use the new behavioral attached properties:


<controls:DataGrid ItemsSource="{StaticResource list}"
AutoGenerateColumns="True"
SelectionMode="Extended"
themes:DataGridHelper.HorizontalMouseWheelScrollingEnabled="True"
themes:DataGridHelper.SelectedCells="{Binding Path=myViewModelSourceList, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" 

/>