if (column < 0 || column >= table.getItemCount()) return;
if (column < 0 || column >= table.getColumnCount()) return;
void resize () {	if (tableTree.isDisposed()) return;	if (item == null || item.isDisposed()) return;	Table table = tableTree.getTable();	if (column < 0 || column >= table.getItemCount()) return;	super.resize();}