@SuppressWarnings("unchecked") private void moveAcross(ListViewer fromLV, ListViewer toLV, java.util.List<NSISLanguage> move) { java.util.List<NSISLanguage> from = (java.util.List<NSISLanguage>) fromLV.getInput(); java.util.List<NSISLanguage> to = (java.util.List<NSISLanguage>) toLV.getInput(); to.addAll(move); from.removeAll(move); fromLV.refresh(false); toLV.refresh(false); }