A box can be locked or unlocked by choosing the (Un)Lock a box command from the Edit menu, or by using the Alt+W shortcut. A locked box is distinguished by the small slash "/" sign in the bottom-right corner :

When a box is locked, editing within this box and its sub-boxes is impossible. However you can still :

• Move, resize and open the macro,
• Select and change the name of the variables listed on the macro by simply clicking on it,
• Alter input parameters ("Value" input modules, mouse interface modules such as scrolls or check boxes, …) that have previously been placed on front or inside control panels. The edit text mode is automatically invoked when the mouse cursor is placed over an "Value"input module. It is thus possible to directly alter any parameter from the control panels, without unlocking the associated box, just by clicking on it.

If a macro is locked, the name of the macro cannot be fully edited, but only the "variable" part of the name if there is one, that is the part following the "/" sign. In order to be able to edit the full name, you must first unlock the box.

Note about Library macros : You cannot lock up a module (i.e. an elementary, non openable box from the Library). If a macro fetched from the Library is unlocked, the ">" sign is added in front of its name. This means that this unlocked macro is not a Library macro any more : it has been modified.