This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

AllowGroupClose

AllowGroupClose
is an option for Cell that specifies whether a cell group can be closed normally.
  • Closing a group collapses all cells in the group so that only the head cell is visible.
Create a notebook where any cell group can be closed normally:
The cell group can be closed normally:
Create a notebook where the "heading" cell group cannot be closed:
Now the "heading" cell group cannot be closed:
Create a notebook where any cell group can be closed normally:
The cell group can be closed normally:
 
Create a notebook where the "heading" cell group cannot be closed:
Now the "heading" cell group cannot be closed:
New in 8