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Help / WLanguage / WLanguage functions / Controls, pages and windows / Chart functions
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Stored procedures
Retrieves a data from a Surface chart.
Example
// Affichage d'une donnée dans le champ "GRF_MonGraphe". 
// Cette donnée est l'abscisse du premier point.
Info(grSurfaceGetData(GRF_MonGraphe, 1, grXCoordinate))
Syntax
<Result> = grSurfaceGetData(<Chart name> , <Index> , <Value to retrieve>)
<Result>: Real
Retrieved value.
<Chart name>: Control name or character string
Name of the chart to be used.
This name corresponds to:
  • the chart name defined through programming with grCreate,
  • the name of the Chart control (in the window, page or report editor).
<Index>: Integer
Data index defined by the order of addition in the chart.
If the data corresponding to the specified index does not exist, the retrieved value is 0.
<Value to retrieve>: Integer
Indicates the value to retrieve:
grXCoordinateX-coordinate of the point to retrieve.
grYCoordinateY-coordinate of the point to retrieve.
grZCoordinateZ-coordinate of the point to retrieve.
Remarks
  • Reminder: For Surface chart data, the XY plane is the floor of the surface, while Z indicates the height of the point.
  • To retrieve data from a Stock chart, it is recommended to use grStockGetData.
  • To retrieve data from a Scatter chart, it is recommended to use grScatterGetDataXY.
  • To retrieve a data from a chart, use grGetData.
Component: wd300grf.dll
Minimum version required
  • Version 20
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Last update: 03/27/2025

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