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  • Handling legends
  • Initializing fonts
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Stored procedures
Modifies the font used for the chart legend.
Example of legend in a chart:
Chart legend
Linux Caution: A specific configuration is required to use this function in Linux. For more details, see The charts.
Example
// Modify the font used for the legend of CHART_MyChart.
// The identifier of font used is 7.
grLegendFont(CHART_MyChart, 7)
Syntax

Defining the font used for the chart legend Hide the details

grLegendFont(<Chart name> , <Font used>)
<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.
PHP Only the interactive Chart controls are available.
<Font used>: Font
Font to use. This parameter corresponds to a variable of type Font. The font characteristics have been defined with FontCreate or via the font properties.

Defining the font used for the chart legend (syntax kept for backward compatibility) Hide the details

grLegendFont(<Chart name> , <Font identifier>)
<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.
PHP Only the interactive Chart controls are available.
<Font identifier>: Integer
Font identifier, defined by grCreateFont. A WLanguage error occurs if this font does not exist.
Remarks

Handling legends

The set of series labels correspond to the chart legend.
Chart legend
The series labels are defined by grSeriesLabel.
The legend font can be modified by grLegendFont.
grLegend indicates the presence and position of the legend (i. e. all series labels).

Initializing fonts

The default font used for the chart legends has the following characteristics:
  • Font name: Arial,
  • Size: 14,
  • Style: Normal,
  • Color: Black.
When using grCreate, the font used for the legends is the default font.
The data defined by grLegendFont will be taken into account during the next call to grDraw.
Related Examples:
The Chart functions Unit examples (WEBDEV): The Chart functions
[ + ] This example presents the main features of the chart designer of WEBDEV and it allows you to:
- Create a chart: Pie, Column or Line
- Define the display area of a chart
- Define the options of the chart (legend, percentage, ...)
The Chart functions Unit examples (WINDEV Mobile): The Chart functions
[ + ] Using the Chart functions:
- create a Pie, Column or Line chart by programming
- define the chart options (legend, percentage, ...)
Component: wd290grf.dll
Minimum version required
  • Version 9
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Last update: 06/27/2023

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