Each rectangle for these pseudo-classes represents an array of type. Menus Popup menus. Right-clicking on a class name or object produces a popup menu that lets you choose among several relationships the view can show. These include the creator of the object clicked on, the objects that invoke methods on it or refer to it, and the objects it creates, invokes methods on, and refers to. These relationships are shown as colored lines connecting the objects in question.
Red lines indicate creation, green lines represent calls, and blue lines identify references.
Clicking on a class name lets you determine the same information for every instance of the class at once. Calling relationship lines are labeled with the number of calls that the line represents. An arrowhead shows the direction of the relationship. Circular calling relationships and circular references are shown as small oval lines leaving and re-entering the same object Flying over a line with the mouse pointer shows the relationship information in the status line at the bottom of the view. To remove all relationship lines, select Clear Lines from the Options menu.