ToBoxes

ToBoxes[expr] generates boxes corresponding to the printed form of expr in StandardForm.

ToBoxes[expr, form] gives the boxes corresponding to output in the specified form.

ToBoxes uses any relevant definitions given for Format and MakeBoxes.

You can see how box structures generated by ToBoxes would be displayed by using DisplayForm.

See Section 2.9.3.

See also: ToString, ToExpression, MakeBoxes, HoldForm, DisplayForm.

New in Version 3.