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Stored procedures
Indicates various parameters of additional legend in a chart.
Example of additional legends:
// Chart control
// Display the caption for the percentages of data categories in "CHART_MyChart"
CHART_Chart.Label(grShowPercent, True)
<Chart control>.Label(<Additional legend> , <Display>)
<Chart control>: Control name
Name of the Chart control to use (found in the window editor, page editor or report editor).
<Additional legend>: Constant
Additional legend that will be displayed with the chart:
  • with a pie chart:
    grShowLabelLabel of data categories.
    grShowPercentPercentage of data categories.
    grShowValueValue of data categories.
  • with a column chart:
    grShowValueValue of data categories.
  • with a stacked column chart:
    grShowValueIfNullLabel of data categories, even for the null values in the stacked column chart.
<Display>: Boolean
  • True if the additional legend must be displayed,
  • False otherwise.

Chart caption

The chart caption can include three elements:
  • the category labels.
  • the value of categories.
  • the percentage of categories.
Chart caption
The chart caption can be displayed for the pie charts, column charts and stacked column charts only.
<Chart>.Label is used to display the different elements of the chart caption. Different elements are displayed according to the type of chart.
The category labels displayed correspond to the ones defined by <Chart>.CategoryLabel.
The value of categories depends on the chart data.
The percentage of categories is automatically calculated.
The information display can be formatted by <Chart>.Mask.
The modifications performed by <Chart>.Label will be taken into account during the next call to <Chart>.Draw.
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 24
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