public void repaintColumn(TreeColumn column) {
		Point pt = fromHeaderView(new Point(getColumnStart(column), 0));
		int width = column.getWidth();
		int count = mColumns.size();
		if (count > 0 && column == mColumns.get(count - 1)) {
			width = Math.max(width, getWidth() - pt.x);
		}
		Rectangle bounds = new Rectangle(pt.x, 0, width, getHeight());
		repaint(bounds);
	}