TdxChartXYDiagramRangesChangeEventArgs.OldXRange Property

Returns the minimum and maximum visible values on the axis of arguments (X-Axis) before the zoom or scroll operation.

Declaration

property OldXRange: TdxChartRangeInfo read;

Property Value

Type	Description
TdxChartRangeInfo	The scale range of the axis of arguments before the zoom or scroll operation.

Remarks

Use OldXRange.Min and OldXRange.Max properties to identify the minimum and maximum visible values on the axis of arguments before the occurred zoom or scroll operation.

To identify the new minimum and maximum visible values on the axis of arguments after the zoom or scroll operation, use NewXRange.Min and NewXRange.Max properties.