treeViewer.setContentProvider(contentProvider);
treeViewer.setInput(this);
getViewSite().getActionBars().getToolBarManager().add(new Action("Remove All", Activator.REMOVE_ALL_ICON) {
treeViewer.setContentProvider(contentProvider);
treeViewer.setInput(this);
getViewSite().getActionBars().getToolBarManager().add(new Action("Remove All", Activator.REMOVE_ALL_ICON) {