# Easiest Way to Use ShowGroupOpener in Mathematica

I currently edit manually the cell contents of a notebook (Ctrl+Shift+A or Cmd+Shift+A) to "recycle" cells containing the ShowGroupOpener option. Is there an easier way to create documents hiding contents under that type of icon?

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It is not clear to me what you mean by "recycle" cell with ShowGroupOpener. For the second part of your question do you want all grouped cells in your notebook that have a ShowGroupOpener to be closed by default (or via some straight forward method)? –  Mike Honeychurch Jan 19 '12 at 11:05
Ruben, I am not sure what exactly your question is, but are you aware that you can generate a cell that will show the group opener as follows? CellPrint[Cell["", "Section", ShowGroupOpener -> True]] –  JOwen Jan 19 '12 at 13:36
Ruben and @JOwen, you can also do the same for the entire notebook using SetOptions[EvaluationNotebook[], {"ShowGroupOpener" -> True}] or SetOptions[EvaluationNotebook[], ShowGroupOpener-> True] –  kglr Jan 19 '12 at 13:44