The Diagram tab
Use the Diagram tab to
show the relationships between objects in a project. Relationships
between objects are shown as lines with cardinality notation. You
can expand objects and namespaces to show the object hierarchy and
the relationships between objects.
Tip: You can also control the model area that is visible
in the diagram. Click and hold the overview button
in the bottom right corner and drag the pointer over the diagram 
.
In the Diagram tab, you can do any of the following:
- View, create, and modify objects and relationships.
- Create folders and namespaces to group objects.
- Change the settings for the diagrams.
- Change the layout of objects to either star layout or standard layout by clicking Diagram, Auto Layout.
- Focus on an object by clicking Diagram, Set Focal Point.
- Find an object by right-clicking the object in the Project Viewer, and clicking Locate in Diagram.
- Zoom in or out by clicking Diagram, Zoom.
- Expand or collapse all objects from the Diagram menu.
- Save the diagram for printing by clicking Diagram, Screen capture, and specifying the name of the picture.
- Launch the Context Explorer by right-clicking an object in the Diagram tab, and clicking Launch Context Explorer.
- Print the diagram in the Context Explorer by right-clicking the Context Explorer background, and click Print. A Print button is also available from the Context Explorer toolbar. This right-click menu also includes commands for previewing the diagram using Print Preview and changing page layout options using Page Setup.