grDestinationControl (Function)

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Creating and drawing a chart programmatically
Changing destination

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grDestinationControl (Function)

In french: grDestinationChamp

Defines an Image control as destination of a chart.

Remarks:

This function cannot be used with the Chart controls.
This function cannot be used in the report editor.

Caution: In Linux, this function requires a specific configuration. For more details, see The charts.

Example

// Définition du champ "IMG_ImageGraphe" comme destination du graphe "MonGraphe"
grDestinationControl("MonGraphe", IMG_ImageGraphe)

Syntax

grDestinationControl(<Chart name> , <Image control>)

<Chart name>: Character string

Name of chart to use, defined by grCreate.

<Image control>: Control name

Name of the Image control where the chart will be drawn.

Remarks

Creating and drawing a chart programmatically

To draw a chart:

create the chart (grCreate),
add data (grAddData, grStockAddData and grScatterAddDataXY),
define the chart destination with the following functions:
- grDestinationBMP,
- grDestinationControl,
- grDestinationEMF,
- grDestinationWnd,
- grDestinationImage,
- grDestinationWMF.
draw the chart (grDraw).

Next time grDraw is called, the chart will be drawn inside <Image control>. It is possible to associate another image with this field: the graph will then be drawn as an overlay in front of the image.

Changing destination

If the chart was previously displayed in an independent window, this independent window will be closed during the next call to grDraw.

Related Examples:

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, ...)

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: wd300grf.dll