grOverlayChart (Function)

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grOverlayChart (Function)

In french: grSuperposeGraphe

Used to display two different types of charts in the same chart. The two charts are overlaid.

Remark: The first chart must be a Column chart (clustered or stacked column chart), a Stock chart (MinMax or Candlestick) or a Scatter chart while the second chart must be a Line chart

Versions 15 and later

This function is now available for WEBDEV sites in Linux.

Caution: A specific configuration is required to use this function in Linux. For more details, see The charts.

New in version 15

This function is now available for WEBDEV sites in Linux.

Caution: A specific configuration is required to use this function in Linux. For more details, see The charts.

This function is now available for WEBDEV sites in Linux.

Caution: A specific configuration is required to use this function in Linux. For more details, see The charts.

Versions 16 and later

This function is now available for WINDEV applications in Linux.

New in version 16

This function is now available for WINDEV applications in Linux.

Versions 17 and later

This function is now available for iPhone/iPad applications.

New in version 17

This function is now available for iPhone/iPad applications.

Versions 18 and later

This function is now available in Windows Store apps mode.

New in version 18

This function is now available in Windows Store apps mode.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Example

IF grOverlayChart(CHART_MyColumnChart, CHART_Line) = True THEN
Info("The charts are overlaid")
END
grDraw(CHART_MyColumnChart)

Syntax

<Result> = grOverlayChart(<Destination chart> , <Source chart>)

<Result>: Boolean

True if the charts are overlaid,
False otherwise. To find out the error details, use ErrorInfo.

<Destination chart>: Character string (with or without quotes)

Name of the chart that will be used to display the two charts. This chart contains the first chart (Bar chart, Stock chart or Scatter chart).

<Source chart>: Character string (with quotes)

Name of the chart that will be displayed in the destination chart. This chart must be a Line chart. It will overlay the <Destination chart>. This chart will be taken into account as data source: its title and its parameters will be ignored. Only the information regarding the legend will be kept.
The link between the two charts is deleted if this parameter corresponds to an empty string ("").
This parameter must correspond to a chart different from <Destination chart> (otherwise, the charts overwrite each other).

Remarks

The chart overlay defined by grOverlayChart will be taken into account during the next call to grDraw.
Versions 20 and later
Caution: grOverlayChart does not manage the crosshair of the different stacked charts.
New in version 20
Caution: grOverlayChart does not manage the crosshair of the different stacked charts.
Caution: grOverlayChart does not manage the crosshair of the different stacked charts.

Component: wd260grf.dll