Help / WLanguage / WLanguage functions / Controls, pages and windows / Map functions
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Stored procedures
Deletes a marker from a map displayed by a Map control.
Android Remark: This function is available in the Android emulator and in the Android simulator.
// Delete a marker
MyMarker is Marker
MyMarker.Name = "Destination"
MyMarker.Position.Latitude = 43.613708
MyMarker.Position.Longitude = 3.876972
IF CBOX_DisplayMyDestination = True THEN
MapAddMarker(MAP_Position, MyMarker)
MapDeleteMarker(MAP_Position, MyMarker)
<Result> = MapDeleteMarker([<Map control> [, <Marker>]])
<Result>: Boolean
  • True if the marker was deleted,
  • False otherwise. To get more details on the error, use ErrorInfo.
<Map control>: Optional control name
Name of the Map control to be used. If this parameter corresponds to an empty string ("") or is not specified, the Map control to which the current event belongs will be used.
<Marker>: Marker variable or optional character string
Marker to delete. This parameter can correspond to:
  • a Marker variable corresponding to the marker to delete.
  • a character string corresponding to the name of the marker to delete. This name corresponds to the Name property of the Marker variable.
If this parameter is not specified, all the markers will be deleted from the map (equivalent to MapDeleteAll).
  • Only a marker previously added to the Map control can be deleted.
  • To add a new marker to a Map control, use MapAddMarker.
  • To change a marker in a Map control, use MapModifyMarker.
Related Examples:
The Map control Unit examples (WEBDEV): The Map control
[ + ] This example explains how to use the Map control of WEBDEV.
It can be used to display a map that includes markers as well as an itinerary.
The Map control Unit examples (WINDEV): The Map control
[ + ] Using the Map control of WINDEV.
It is used to display a map that includes markers as well as an itinerary.
WM Sports Cross-platform examples (WINDEV Mobile): WM Sports
[ + ] This example is a sport application used to save your performances.
The application calculates the distance, the time, the average speed and the number of calories spent according to the sport.
The run is displayed on a map control via markers and an itinerary.

The example also includes a server part used to synchronize the user data.
This webservice is available in the WEBDEV "WW_Sports" example.
Component: wd300obj.dll
Minimum version required
  • Version 17
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Last update: 06/22/2023

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