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grDeleteSeries (Function) In french: grSupprimeSérie Deletes a data series from a chart. The data found in the series is deleted. Caution: The remaining series will be re-numbered. For example, if the series 1 is deleted, the series 2 becomes the series 1, ...
// Delete the second data series from "MyChart"
grDeleteSeries("MyChart", 2) // Delete the third data series from "CHART_MyChart"
grDeleteSeries(CHART_MyChart, 3) Syntax
grDeleteSeries(<Chart name> [, <Series number> [, <Options>]])
<Chart name>: Control name or character string Name of chart defined by grCreate or name of Chart control.
<Series number>: Optional integer Number of the series to delete. If this parameter is not specified, the entire data is erased from the chart. <Options>: Integer constant Type of deletion to perform: | | | grData | Delete data from the series. | grDataAndStyle
(Default value) | Delete data and style from the series. |
Remarks - If all the chart series are deleted, new data must be added in order to redraw the chart.
- The modifications performed by grDeleteSeries will be taken into account during the next call to grDraw.
- For a series based on an item, the data is erased. The data source is stored and the data can be rebuilt. To cut the link to the source, use grSourceSeries and modify the source of the series.
Related Examples:
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Training (WINDEV): WD Chart
[ + ] This example presents the different uses of the Chart control. Different types of charts are presented: - Pie - Sunburst - Line - Scatter - Column - Area - etc. The main features presented here are the possibility to customize of charts from the code, as well as to fill the chart from an HFSQL data file, or in the editor.
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Unit examples (WINDEV): The Chart functions
[ + ] Using the main chart designer features of WINDEV: - Create a Pie, Column or Line chart - Define the display area of a chart - Define the chart options (legend, percentage, ...) - Draw a line on a chart
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