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TdxChartXYDiagramRangesChangeEventArgs.OldYRange Property

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

#Declaration

Delphi
property OldYRange: TdxChartRangeInfo read;

#Property Value

Type Description
TdxChartRangeInfo

The scale range of the axis of values before the zoom or scroll operation.

#Remarks

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

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

See Also