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TdxChartXYDiagramRangesChangeEventArgs Class

The base class for classes that store information related to zoom and scroll notification events in an XY diagram.

#Declaration

Delphi
TdxChartXYDiagramRangesChangeEventArgs = class(
    TdxEventArgs
)

#Remarks

The TdxChartXYDiagramRangesChangeEventArgs class has members that allow you to identify the following in an OnScroll or OnZoom event handler:

  • Scale ranges of the axis of arguments (X-Axis) before and after the current scroll or zoom operation (OldXRange and NewXRange).
  • Scale ranges of the axis of values (Y-Axis) before and after the current scroll or zoom operation (OldYRange and NewYRange).

#Terminal TdxChartXYDiagramRangesChangeEventArgs Class Descendants

Do not use the TdxChartXYDiagramRangesChangeEventArgs class directly. Use the following descendants instead:

TdxChartXYDiagramScrollEventArgs
Stores information related to an OnScroll event occurrence in an XY diagram.
TdxChartXYDiagramZoomEventArgs
Stores information related to an OnZoom event occurrence in an XY diagram.

#Inheritance

TObject
TdxEventArgs
TdxChartXYDiagramRangesChangeEventArgs
See Also