Old values. The hashtable contains former values of the row's cells. If the grid contains templated columns or is bound to some of the fields from the data source, the Values and OldValues must be updated to add those missing values. Otherwise missing cells will be nulled out by the auto update operation.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2