AllowCustomCells Property (GridWrapCellFactory)
When set to true the methods
GetCellKind(GridCellType,GridCellRange),
CreateCell(GridCellType,GridCellRange,Object),
BindCell(GridCellType,GridCellRange,GridCellView) and
UnbindCell(GridCellType,GridCellRange,GridCellView) will be called allowing customized cells, inheriting from
GridCellView.