In Mathematica 6.0, has been superseded by ImageSize->Full.

is an option for the low-level function ButtonBox that specifies whether the button should expand to fill any GridBox position in which it appears.


  • The default setting is ButtonExpandable->True.
  • This setting is usually used for all buttons that appear in palettes.
  • With ButtonExpandable->False, the size of a button is determined purely by its contents, independent of its environment.
  • With ButtonExpandable->False, gutters will often be left between buttons in a GridBox.
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