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Stored procedures
grDonutHolePercentage (Function)
In french: grDonutPourcentageTrou
From version 27, this function is kept for compatibility (it will still be supported in the next version). It is recommended to use grHolePercentage.
Modifies the percentage corresponding to the radius of the hole in a Donut chart.
Linux Caution: A specific configuration is required to use this function in Linux. For more details, see The charts.
// The hole will represent 50% of the total radius of the donut
grHolePercentage(CHART_MyChart, 50)
grDonutHolePercentage(<Chart name> , <Percentage>)
<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).
Android Only Chart controls are available.
PHP Only the interactive Chart controls are available.
<Percentage>: Integer
Percentage represented by the hole of the donut (between 0 and 70).
  • The settings defined with grDonutHolePercentage will be taken into account next time grDraw is called.
  • This function can be used with the Donut charts only.
Related Examples:
WD Chart 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.
Business / UI classification: Neutral code
Component: wd300grf.dll
Minimum version required
  • Version 14
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Last update: 06/22/2023

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