The Class Window

The Class Window in the Class
Relationship Pane displays your classes and allows you to rearrange your
hierarchy using "drag-and-drop". A number of icons give additional
information about your classes; see The Class Icons for a description.
By default, the Class Window displays the class structure of your knowledge base.
Subclasses appear below their superclasses and indented to
the right. Classes with more than one superclass appear more than once in the tree. All classes are shown as descending,
directly or indirectly, from the system class :THING. Icons
show additional information about your class.
The currently selected class is shown with a highlight. Icons give information about the structure of your knowledge base
and the nature of your classes. See The Class Icons
for more information.
The Class Window
allows you to perform the following tasks:
- You can select a class by clicking on it.
- You can edit the attributes of a class in the Class Form.
When a class is selected, the Class Form
appears directly in the Class Edit Pane in the Classes
Tab, or you can open it for one or more selected classes by clicking the View
Class Button. See Viewing a Class
for more information.
- You can create a new class by clicking the Create
Class Button and editing the attributes in the
Class Form in the . See Creating
a New Class for more information.
- You can delete a class by clicking the Delete
Class Button. See Deleting
a Class for more information.
- You can find a class by typing all or part of the class name in the
Class Lookup Bar and then clicking the Find
button. See Finding a Class for more
information.
You can also rearrange the superclass/subclass relationships:
- You can move a class to another superclass by
selecting the class, dragging it directly over the new superclass, and then
dropping it. See Replacing a Superclass
for more information.
- You can add an additional superclass to a class by
selecting the class, dragging it over the additional superclass, and holding
down the Control key while you drop it. Classes with multiple superclasses
are shown with an
icon. See Adding a Superclass
for more
information.
For additional superclass tasks you can perform, see the Superclasses
Pane.
You can also choose to view classes according to Reference.
See Viewing Class Relationships for
more information.
Next: The Class
Icons
Classes Table of Contents