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  • Properties specific to MapCircle variables
  • WLanguage functions
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Stored procedures
The MapCircle type is used to define the characteristics of a circle to be drawn on the map displayed in a Map control. The characteristics of this circle can be defined and changed using different WLanguage properties.
Remark: For more details on the declaration of this type of variable and the use of WLanguage properties, see Declaring a variable.
// Add a circle to the Map control
Circle is MapCircle
Circle.Center = Position
Circle.Radius = 50
Circle.LineColor = LightRed
Circle.ActionClick = ClickProc
MapAddShape(MAP_MyMap, Circle)
INTERNAL PROCEDURE ClickProc(c is MapCircle)
ToastDisplay(StringBuild("Click on the <%1> circle.", c.Name))

Properties specific to MapCircle variables

The following properties can be used to handle a circle:
Property nameType usedEffect
ActionClickProcedure nameName of the WLanguage procedure called when the user clicks the circle displayed in the Map control. This procedure has the following format:
PROCEDURE <Procedure name>(<Circle>)
where <Circle> is a MapCircle variable corresponding to the circle that the user clicked on.
If this property is not specified (or corresponds to an empty string ("")), no action will be performed on click.
Remark: it is recommended to use global procedures. If the procedure is local, its name must be prefixed by the full name of the object to which the procedure belongs (example for a local window procedure: "WIN_Window1.MyProcedure").
WEBDEV - Server codeWEBDEV - Browser code This procedure can be a Browser or Server procedure.
BackgroundColorColor, integer, Integer constantCircle background color. This color can correspond to:
Remark: To change the opacity of the fill, you can write:
MyMapCircle.BackgroundColor.Opacity = 50
CentergeoPositionCenter of the circle.
DescriptionCharacter stringDescription of the shape, used to store additional information, for example.
LineInteger constantLine style used for the circle outline:
  • LineSolid (default value): Solid line.
  • LineDotted: Dots.
  • LineDash: Dashes.
  • LineDotAndDash: Dots and dashes.
WINDEVWEBDEV - Server codeWEBDEV - Browser code Not available.
LineColorColor, integer, Integer constantCircle outline color. This color can correspond to:
Name Character stringName of the shape (here, name of the circle). A name is automatically assigned when the variable is created. It can be modified, but it has to be unique if the shape is added to the Map control. This name can be used to delete the circle with MapDeleteShape.
RadiusRealRadius of the circle in metres. The default radius is 100 meters.
ThicknessIntegerLine thickness used for the circle outline.
The thickness is set to 2 by default.
ZOrderIntegerZ-order of the circle in relation to the other shapes in the Map control. Allows you to manage overlays.
A shape with a high Z-order will be drawn over a shape with a lower Z-order.
This property is set to 0 by default.
iPhone/iPad This property is not available.

WLanguage functions

The following WLanguage functions are used to handle MapCircle variables:
MapAddShapeAdds a new shape (polygon, line, circle) to the map displayed in a Map control.
MapDeleteShapeDeletes a shape drawn on the map displayed in an Map control.
MapModifyShapeModifies a shape drawn on the map displayed in a Map control.
Related Examples:
WD Extended Map Training (WINDEV): WD Extended Map
[ + ] This example shows the different features of the Map control in desktop (Windows) and mobile (Android, iOS) devices
Minimum version required
  • Version 26
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Last update: 07/10/2024

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