The example in this section shows how to create an editor that associates predefined callbacks with any graphic object. loadilv is a predefined callback that takes the name of the file to be loaded as a parameter. This name is stored in graphic objects as a property.

The first task is to derive a class from IlvGadgetManager to redefine read and write for storing and restoring the new property. This part is not described here. We assume that you have a class MyManager that saves objects with the descriptor MyGadgetManagerOutput and a class MyContainer restoring objects saved by MyManager.

Follow these steps to extend the editor: