void resetColumns();
public void resetColumns() { ICustomViewer cViewer = (ICustomViewer) getViewer();  Object o = cViewer.getInput(); cViewer.setInput(null); cViewer.setEditors(false); gSorter.setColumnIndex(0); cViewer.closeAllTTE(); createColumns(); cViewer.setInput(o); updateDisplay(); }
	void resetColumns();