CellGroup

CellGroup[{cell1,cell2,}]
gives an open group of cells that can appear in a Wolfram System notebook.

CellGroup[{cell1,cell2,},1]
gives a cell group in which only the first cell is open.

CellGroup[{cell1,cell2,},-1]
gives a cell group in which only the last cell is open.

CellGroup[{cell1,cell2,},{i1,i2,}]
gives a cell group in which cells , , are open.

DetailsDetails

Introduced in 2007
(6.0)