Change arrows and line styles
Endpoint markers, dashes and connector routing.
Click a connector to select it; its settings appear in the inspector. Delete removes it.
- Start and End markers, set independently: none, arrow, open arrow, filled arrow, circle, filled diamond, hollow diamond or hollow triangle
- Line style: solid, dashed or dotted
- Colour and width
UML relationships use specific markers by convention — a hollow triangle for inheritance, a hollow diamond for aggregation, a filled diamond for composition, a dashed line with an open arrow for dependency — and those meanings are not interchangeable. In a class diagram the inspector offers them as one-click relationships.