joint-first

Documentation
- Reference manual
- Packages
  - XPCE
    - Classes
      - class joint
        
        Instance variables
        
        joint-first_arrow
        
        joint-second_arrow

joint <- first_arrow: graphical*

Arrow object at the start-point of the joint. If @nil, no arrow is displayed. Default (simple) arrows are normally attached using joint->arrows.

Any graphical implementing joint->points compliant to arrow->points can be used as an arrow head. If the joint is changed, it's graphical->compute method will send joint->points to the arrow object and recompute the bounding box of the joint. Similar, graphical->redraw will draw invoke the graphical->redraw method of the arrow(s).

joint <- first_arrow: graphical*

Arrow displayed on the start-point.

See also: - joint->first_arrow
- joint->arrows