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  • Overview of the Chart control
  • Creating a Chart control
  • Automatic downsampling
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Stored procedures
Overview of the Chart control
The Chart control is used to display a chart in windows, pages and reports.
The types of charts available are as follows:
Creating a Chart control
To create a Chart control:
  • in a window or page:
    1. On the "Creation" pane, in the "Graphic controls" group, click "Chart".
    2. Click where the control will be created in the window or page. The Chart control creation wizard starts automatically.
      Versions 19 and later
      Tip: You also have the ability to create a Chart control directly by choosing its type: simply expand "Chart" on the "Creation" pane. The list of available types of charts is displayed. Click the type of chart you want to create.
      New in version 19
      Tip: You also have the ability to create a Chart control directly by choosing its type: simply expand "Chart" on the "Creation" pane. The list of available types of charts is displayed. Click the type of chart you want to create.
      Tip: You also have the ability to create a Chart control directly by choosing its type: simply expand "Chart" on the "Creation" pane. The list of available types of charts is displayed. Click the type of chart you want to create.
  • in a report:
    1. On the "Creation" pane, in the "Data" group, click "Chart".
    2. Click where the control will be created in the report. The Chart control creation wizard starts automatically.
Versions 20 and later
Remark: The dimensions of the control are optimized to take up the available space at the specified position. If the control size does not suit you, press Ctrl + Z: the control size will be reset to default.
New in version 20
Remark: The dimensions of the control are optimized to take up the available space at the specified position. If the control size does not suit you, press Ctrl + Z: the control size will be reset to default.
Remark: The dimensions of the control are optimized to take up the available space at the specified position. If the control size does not suit you, press Ctrl + Z: the control size will be reset to default.
To view the control characteristics, select "Description" in the popup menu of the control. See Chart control: Characteristics in the editor for more details.
Versions 23 and later

Automatic downsampling

When a chart contains a large amount of data and becomes unreadable, a downsampling process is automatically used.
At the top: a chart without downsampling. At the bottom: the same chart with downsampling
At the top: a chart without downsampling. At the bottom: the same chart with downsampling
Remark: the downsampling method is automatically used. It can be disabled by grParameter.
New in version 23

Automatic downsampling

When a chart contains a large amount of data and becomes unreadable, a downsampling process is automatically used.
At the top: a chart without downsampling. At the bottom: the same chart with downsampling
At the top: a chart without downsampling. At the bottom: the same chart with downsampling
Remark: the downsampling method is automatically used. It can be disabled by grParameter.

Automatic downsampling

When a chart contains a large amount of data and becomes unreadable, a downsampling process is automatically used.
At the top: a chart without downsampling. At the bottom: the same chart with downsampling
At the top: a chart without downsampling. At the bottom: the same chart with downsampling
Remark: the downsampling method is automatically used. It can be disabled by grParameter.
Related Examples:
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.
WD Drawing on Chart Training (WINDEV): WD Drawing on Chart
[ + ] This example is based on an internal component used to draw elements on a chart control:
- Min/Max areas
- Various areas
- Flags
- Plots and trackers
...
The Chart control Unit examples (WINDEV): The Chart control
[ + ] Using the Chart control of WINDEV.
The chart control is used to directly edit the data that will be displayed in the chart.
This data can come from a table column, a list box, a WLanguage array. It can also be filled by programming.
The Chart control Unit examples (WINDEV Mobile): The Chart control
[ + ] Using the Chart control to display different types of charts:
- Pie (or pie chart)
- Line
- Column chart
- Area
The Chart control (click management) Unit examples (WINDEV): The Chart control (click management)
[ + ] Customizing the click on a Pie chart.
Here, the section clicked by the user is pulled out by the application.
To implement this behavior, all you have to do is use grInfoXY (to identify the section clicked) and grPiePullOut (to pull out the section).
WD Reports Training (WINDEV): WD Reports
[ + ] This example presents the different methods for creating a report:

- prints based on different data sources (queries, variables, ...)
- prints based on controls (Table, Spreadsheet, PVT, ...)
- printing composite reports
- specific prints (portrait/landscape, report with watermark, report with bar code, ...)
Pocket Click on Chart Mobile (WINDEV Mobile): Pocket Click on Chart
[ + ] The "Pocket Click on Chart" example proposes a solution for pulling out the sections of a pie chart via a simple user click.

This example includes a control template named "TPLC_PullOutChart". This control template is used to enable the pulling out of a chart section via a simple click.

To make this feature available in another application, all you have to do is import the control template named "TPLC_PullOutChart".
WM Click on Chart Cross-platform examples (WINDEV Mobile): WM Click on Chart
[ + ] The "WM Click on Chart" example proposes a solution for pulling out the sections of a Pie chart via a simple click.
This example includes a control template named "TPLC_PullOutChart". This control template is used to pull out the chart sections via a simple click.
To include this feature in another application, all you have to do is import the "TPLC_PullOutChart" template.
WD Loan Complete examples (WINDEV): WD Loan
[ + ] The power of WINDEV and the ease-of-use of WLanguage have allowed us to develop this application within a single day!

This example is used to simulate loans and to:
- calculate the amount of the monthly repayments from the amount borrowed
- calculate the amount that can be borrowed from a given monthly repayment
- calculate the income of an investment from a monthly payment

For each case, you have the ability to view the amortization table corresponding to your parameters.
Minimum version required
  • Version 9
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