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  • Chart legend
  • Manual positioning of legend: grLegend without effect
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Stored procedures
Indicates the presence and position of legend in a chart.
Example of legend in a chart:
Legend in a chart
Remark: The legend contains the colors and the series labels (or section labels) of a chart.
Example
// Chart created by programming
grCreate("MyChart", grColumn)
grDestinationWnd("MyChart", "", "Title of the window")
// The legend is displayed on the right of "MyChart"
grLegend("MyChart", grAtRight)
...
grDraw("MyChart")
// Using a Chart control
// The legend is displayed on the left of CHART_MyChart
grLegend(CHART_MyChart, grAtLeft)
...
grDraw(CHART_MyChart)
Syntax
grLegend(<Chart name> , <Position>)
<Chart name>: Character string (with or without quotes)
Name of chart to use. This name corresponds to:
  • the chart name defined by programming with grCreate.
  • the name of Chart control found in the window editor, page editor or report editor.
<Position>: Integer
Position of chart legend:
grAtRightLegend displayed on the right of chart.
grAtLeftLegend displayed on the left of chart.
grAtBottomLegend displayed below the chart.
grAtTopChart legend displayed above the chart.
grNoneNo legend.
Remarks

Chart legend

The set of series labels correspond to the chart legend.
Labels of series
Series labels cannot be used in Pie charts.
The series labels are defined by grSeriesLabel.
The legend font can be modified by grLegendFont.
grLegend is used to indicate the existence and position of the legend (i.e. of all the series labels). The modifications performed by grLegend will be taken into account during the next call to grDraw. The position of the chart legend can be modified from a popup menu.
Remark: To define series labels in "Scatter" charts, we recommend that you use grScatterSeriesLabel. See Legends of a chart for more details.

Manual positioning of legend: grLegend without effect

grLegend has no effect if the legend is positioned manually ("Manual positioning" in the chart legend window).
Related Examples:
The Chart functions 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
WD Chart Training (WINDEV): WD Chart
[ + ] This example shows the different uses of the chart control.
The following charts are presented:
- Semi-circular
- Donut
- Pie
- Sunburst
- Line
- Scatter
- 3D Scatter
- Column
- Area
- Bubble
- Radar
- Funnel
- Surface
- Waterfall
- Composite
- Comparative

The main features presented in this example are the customization of charts by programming, as well as the method used to fill a chart from an HFSQL file or in the editor.
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 : wd250grf.dll
Minimum version required
  • Version 9
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