To select a cell, use the Add method off of the Collection.
To unselect a cell, use the Remove method off of the Collection.
'Declaration Public ReadOnly Property SelectedCells As SelectedCellCollection
public SelectedCellCollection SelectedCells {get;}
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