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treeViewer.removeTreeListener(expandListener); } this.treeViewer = newTreeViewer; if (newTreeViewer != null) { newTreeViewer.addTreeListener(expandListener); } } } public Object[] getChildren(Object parentElement) {
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} } } ); treeViewer.addTreeListener ( new ITreeViewerListener() { public void treeExpanded( final TreeExpansionEvent event ) {