This button invokes the ToolKit‚Ñ¢ Palette Editor which is an accessory module that allows you to create a variety of intelligent and sophisticated palettes of your own.
The palettes can contain background PICTs, buttons, with different clicking actions, graphics fields, and text fields. All the control elements are scriptable.
See the ToolKit‚Ñ¢ Editors section of this stack for more information about the ToolKit‚Ñ¢ Palette Editor.