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Drawing charts in an Image control
WINDEV, WINDEV Mobile and WEBDEV propose several functions for creating and handling charts. Several types of charts can be created: Pie, Column, Line and Scatter charts, ... The display options are used to produce different visual effects for each type of chart. These charts can be drawn: - in an image file,
- in an Image control.
 in a window,  in an Image control or clickable image (generated image). - in a variable of type Image.
To draw a chart in an Image control, some rules must be complied with: - Create the chart with grCreate.
- Initialize the chart data with the grAddData and grScatterAddDataXY functions.
- Choose an Image control as destination of the chart (grDestinationControl)
- Draw the chart with grDraw.
Example:
grCreate("Chart1",grPie)
grAddData("Chart1",1,50)
grAddData("Chart1",1,90)
grAddData("Chart1",1,500)
grDestinationControl("Chart1", IMG_Image1)
grDraw("Chart1")
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