Originally used by W.D. Gann is some of his charting, Gann Bar charts can be drawn as a substitute for the traditional bar chart.
The Range of the day's prices is represented by a ‘reverse C', the open is marked as a cross on the inside left of the ‘reverse C' bar and the close noted by a dash on the inside right of the ‘reverse C' bar.
Each chart type has its own chart properties dialog box from which its display properties can be altered by the user.