Xceed DataGrid for WPF Professional Edition 3.1 (3.1.9175.12000): The class Xceed.Wpf.DataGrid.Cell doesn't have: 1) SelectionBackground 2) SelectionForeground 3) InactiveSelectionBackground 4) InactiveSelectionForeground ... properties as opposed to v 4.2 and 4.3 of Xceed DataGrid for WPF.  Is there an equivalent code in v ...