public class View2 {

    @Inject
    IEventBroker broker;

    @Inject
    public View2(Composite parent) {
        new TestComposite(parent);
    }

}

public class TestComposite extends Composite {

    public TestComposite(Composite parent) {
        super(parent, 0);
        Button button = new Button(parent, SWT.PUSH);
        button.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
        button.setText("Beeeh");
        button.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {

            }
        });
    }

    @Inject
    public void get(@UIEventTopic("SEND") String value) {
        System.out.println(value);
    }

}

class ViewPart{

@PostConstruct
private void create(){
...
ContextInjectionFactory.inject(composite, context);
...
}

}