for (Object eventObject : myGantt.getGanttComposite().getEvents()) {
	GanttEvent event = (GanttEvent) eventObject;
}

/***
	 * setLinks adds the connections among different Events.
	 * It assumes:
	 *  - m_ganttchart has been created
	 *  - has the events set
	 *  - the events contains the Data (Task).
	 */
	private void setLinks()
	{
		System.out.println("*** setLinks\n");
		GanttComposite ganttcomposite = m_ganttchart.getGanttComposite();
		GanttEvent[] ganttevents = (GanttEvent[]) ganttcomposite.getEvents().toArray( new GanttEvent[0] );
		
		//
		// Checks all events in order to see which ones has  a task with successors
		//
		for( GanttEvent gantteventSource: ganttevents ){
			Task task = (Task) gantteventSource.getData();
			printlnTask( task );
			//
			// For Each successor connection is added.
			//
			List<Relation> listrelationSuccessors = task.getSuccessors();
			if( listrelationSuccessors==null )
				continue;
			Relation[] relationsSuccessors = listrelationSuccessors.toArray( new Relation[0]);
			for( Relation relationSuccessor: relationsSuccessors ){
				Task taskSuccessor = relationSuccessor.getTargetTask();
				GanttEvent gantteventSuccessor = findEvent( taskSuccessor ); // efficientcy depends on findEvent
				if( gantteventSuccessor!=null){
					m_ganttchart.addConnection( gantteventSource, gantteventSuccessor );
				} else {
					// TODO: Control this error with an exception. Tasks says there is a successor but event doesn't have it
					System.out.println("TODO: There is a problem. Tasks says there is a successor but event doesn't have it");
				}//- else
			}//- for taskSuccessors
		}//- for ganttevenSource
		
	}//- setLinks
	/***
	 * finEvent finds the Event containing the Task given. assummes there is only one.
	 *   
	 * @param task for wich we want the graphical event.
	 * @return the Event containing the task or null
	 */
	private GanttEvent findEvent( Task task )
	{
	...
	}