*/
	public String getConfig() {
		StringBuilder buffer = new StringBuilder();
		int count = mModel.getColumnCount();
		buffer.append(OutlineModel.CONFIG_VERSION);
		buffer.append('\t');
		buffer.append(count);
		for (int i = 0; i < count; i++) {
			Column column = mModel.getColumnAtIndex(i);
			buffer.append('\t');
			buffer.append(column.getID());
			buffer.append('\t');
			buffer.append(column.isVisible());
			buffer.append('\t');
			buffer.append(column.getWidth());
			buffer.append('\t');
			buffer.append(column.getSortSequence());
			buffer.append('\t');
			buffer.append(column.isSortAscending());
		}
		return buffer.toString();
	}