is a low-level box construct that displays as boxes but maintains tag to guide the interpretation of boxes on input.

Details and OptionsDetails and Options

  • TagBox provides a way to store hidden information in Wolfram Language input and output.
  • TagBox is generated sometimes in StandardForm output, and often in TraditionalForm output.
  • By convention, tag is typically a symbol that corresponds to the head of the interpreted form of boxes.
  • The following options can be given:
  • AutoDeleteFalsewhether to strip the TagBox if boxes are modified
    DeletionWarningFalsewhether to issue a warning if boxes are deleted
    EditableAutomaticwhether to allow boxes to be edited
    SelectableAutomaticwhether to allow boxes to be selected
    StripWrapperBoxesFalsewhether to remove StyleBox etc. from within boxes
    TooltipNonetooltip to display when the mouse cursor is over the box
    TooltipStyle{}style specifications for the tooltip
    TooltipDelay0.how long to delay before displaying the tooltip
  • If you modify the displayed form of TagBox[boxes,tag] only boxes will be modified, and there is no guarantee that correct correspondence with tag will be maintained.

ExamplesExamplesopen allclose all

Basic Examples  (3)Basic Examples  (3)

TagBox does not change the appearance of its contents:

Click for copyable input

The standard formatting for some expressions uses TagBox to aid interpretation:

Click for copyable input

The formatted result looks like this:

Click for copyable input

Without the TagBox, this notation would be interpreted differently:

Click for copyable input

A GridBox is normally interpreted as a matrix:

Click for copyable input

Use a predefined TagBox interpretation to get a different result:

Introduced in 1996
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