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Documentation / Mathematica / Front End / Menu Commands / Cell Menu / Cell Properties /

Cell Active

FilledSmallSquare Cell Active toggles a cell between active and inactive state.

FilledSmallSquare Palette buttons within active cells carry out their script when clicked, while buttons inside inactive cells can be edited.

FilledSmallSquare When a cell is active, the letter "A" appears in the cell bracket.

FilledSmallSquare This command toggles the option Active between True and False on the selected cell objects.

FilledSmallSquare See The Mathematica Book: Section 1.3.6.