Whenever you save an object such as a window or menu in a painter, PocketBuilder stores the object in a library (a PKL file). Similarly, whenever you open an object in a painter, PocketBuilder retrieves the object from the library.
PowerScript targets can use as many libraries as you want. When you create a target, you specify which libraries it uses. You can also change the library search path for a target at any time during development.
For information about specifying the library search path, see “Specifying the target’s library search path”.
Every object is saved in two parts in a library: