Astah User's Guide
To show all the related model elements on the diagram, click [Show All Hidden Relationship] on the pop-up menu that opens when you right-click on a diagram.
This is the tool palatte of Component Diagram, for all the common tools, check out here.
Select the Component Diagram in the Structure Tree, then check off the [Frame Visibility] in the Propety view.
There are two ways to create a Component.
You can switch the visibility of Parts from Component's Pop-up menu.
You can switch the visibility of Ports from Component's Pop-up menu.
Select [Part] from the Tool Palatte and click on a diagram.
To change the direction, click [Reverse Direction] from Connector's pop-up menu. To change the direction, the connection needs to have its own name.
Select [Port] from the Tool palatte and click model elements.