What specific “box” are you speaking of ?
The checkmark, or lack of one, in the View menu, is an indication whether shadows are on or off.

Shadows toolbar - shadow button OFF (unpressed)

Shadows toolbar - shadow button ON (pressed)

What specific “box” are you speaking of ?
The checkmark, or lack of one, in the View menu, is an indication whether shadows are on or off.

Shadows toolbar - shadow button OFF (unpressed)

Shadows toolbar - shadow button ON (pressed)
