If I set the value of "WholeCellGroupOpener" to True, the cell with "Input" CellStyle can be folded with a mouse click. I wonder if there is a way that we can set "WholeCellGroupOpener" only for cells that have "Section" or "Chapter" CellStyle, and not be working for "Input" CellStyle.

I've tried "WholeCellGroupOpener" -> If[CellStyle[] != "Input", True, False], but it didn't work.


1 Answer 1


WholeCellGroupOpener can be set per cell, not only per whole notebook. Therefore, you can set it only to the cells you want by finding them with Cells.

SetOptions[#, WholeCellGroupOpener -> True] & /@ 
 Cells[CellStyle -> {"Chapter", "Section"}];
  • $\begingroup$ Thanks for your answer and modifications. It helps a lot! Still, I wonder if I can achieve the goal through "OptionsSetting" in "Format"? I have noticed that some options can be customized. Is "WholeCellGroupOpener" one of them? $\endgroup$
    – Rudy Yan
    Commented Feb 24 at 9:43
  • $\begingroup$ I wouldn't know about that. But it doesn't seem like this is possible ... $\endgroup$
    – Domen
    Commented Feb 24 at 10:59

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