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- Properties specific to MapImage variables
- WLanguage functions
MapImage variables are used to define the characteristics of an image to be drawn on the map displayed in a Map control. You can define and change the characteristics of this image using different WLanguage properties. Note: For more details on the declaration of this type of variable and the use of WLanguage properties, see Declaring a variable.
i is MapImage
i.Position = MyPosition
i.Image = "image.png"
i.ActionClick = ClickProc
MapAddImage(MAP_MyMap, i)
INTERNAL PROCEDURE ClickProc(i is MapImage)
ToastDisplay(StringBuild("Click on the <%1> image.", i.Name))
END
Propiedades Properties specific to MapImage variables The following properties can be used to handle an image in a Map control: | | | | Property name | Type used | Effect |
|---|
| ActionClick | Procedure name | Name of the WLanguage procedure called when the user clicks the image displayed in the Map control. This procedure has the following format:
PROCEDURE <Procedure name>(<Image>) If this property is not specified (or corresponds to an empty string ("")), no action will be performed on click. Note: it is advisable to use global procedures. If the procedure is a local procedure, it is necessary to prefix the procedure name with the full name of the object to which the procedure belongs (e.g. for a local window procedure: "FEN_Fenêtre1.MaProcedure"). | | Alignment | Integer constant | Alignment of the image with respect to the position given by the Position property: - mqHaut: image above position.
- mqBas: image below position.
- mqCenter (Default): image centered on position.
- mqRight: image to the right of position.
- mqLeft: image to the left of position.
| | Angle | Integer | Rotation angle in degrees (between 0 and 360) to be applied to the image. The rotation is performed using the position given by the Position property as the center of rotation. This property is set to 0 by default. | | Description | Character string | Description of the image, used to store additional information, for example. |  Novedad versión 2025Extra | Variant | Permite almacenar información avanzada sin afectar la ejecución de la aplicación. Puede almacenar valores de cualquier tipo (array, etc.). También es posible agregar miembros a la propiedad Extra.
Ejemplo:
MyVariable.Extra.Info1 = Value
MyVariable.Extra[Info2] = Value2
MyVariable.Extra.Date = DateSys() | | Height | Real | Height (in meters) that the image should occupy on the map. If this property is not specified in or is set to 0, the height will be automatically calculated according to the width specified via the Width property, respecting the image ratio. | | Image | Character string
or Image variable | Image to display. This property corresponds to: - a character string corresponding to the path of the image,
- a variable of type Image.
This image cannot be a vector image (SVG). | | Name | Character string | Image name. 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 image with MapDeleteImage. | | Opacity | Integer | Image opacity percentage. By default, this property is set to 100. | | Position | geoPosition | Geographic position at which the image is to be drawn. The alignment of the image with respect to this position is given by the Alignment property. | | Width | Real | Width (in meters) that the image should occupy on the map. This property must be specified. | | ZOrder | Integer | Z-order of the image 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. |
Observaciones WLanguage functions The following WLanguage functions use MapImage variables:
| | | MapAddImage | Adds a new image to the map displayed in a Map control. | | MapDeleteImage | Elimina una imagen dibujada en el mapa mostrado en un control Mapa. | | MapModifyImage | Modifica una imagen dibujada en el mapa mostrado en un control Mapa. |
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