}
if(event.getSelection() instanceof IStructuredSelection) {
IStructuredSelection selection = (IStructuredSelection)event.getSelection();
StringBuffer toShow = new StringBuffer();
for (Iterator iterator = selection.iterator(); iterator.hasNext();) {
FBXObject obj = (FBXObject)iterator.next();
helptext.setText(obj.getFusedoc());
}
// remove the trailing comma space pair
if(toShow.length() > 0) {
toShow.setLength(toShow.length() - 2);