As a rule concrete discipline components are derived from abstract discipline components (architecture components). For the ListOfComponents these are architecture components for Body, Chapter and Line.
Create the following architecture components in the Levelcomponents unit:
| Architecture component | Super class | Image | Image file | Abstract | Sublevels | Component of the top level |
|---|---|---|---|---|---|---|
| Body | ListOfComponentsComponent |
|
install/icon-collection/Rumpf.gif | Yes | Chapter | Yes |
| Chapter | ListOfComponentsComponent |
|
install/icon-collection/Abschnitt.gif | Yes | Line | No |
| Line | ListOfComponentsComponent |
|
install/icon-collection/Zeile.gif | Yes | - | No |
See Creating an architecture component.
Result:
