end-margin

Arguments: item-axis

Returns the value of the end-margin property of a item-axis. The value may be set at creation time by passing the end-margin initarg, or any time later by calling (setf end-margin).

The distance between each end of an item-axis in a chart-widget and the first chart item at that end of the axis (when the chart is scrolled all the way to that end of the item-axis). The distance is measured in pixels. The value should be a non-negative integer, or else nil to use a default distance. The default value is nil.

If the chart-view property of the chart-widget is :line, then the default distance is zero. If the chart-view is :bar, then the default distance is the bar-spacing of the bar-chart-view. The default distance is typically appropriate, though an explicit one could be supplied for aesthetic reasons.

See chart-widget and also cg-chart-widget.htm.

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Created 2015.5.21.