MapInfoXY (Function)

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MapInfoXY (Function)

In french: CarteInfoXY

Returns the geographical position (latitude and longitude) corresponding to a point in a Map control.

Remark: This function is available in the Android emulator and in the Android simulator.

Versions 18 and later

This function is now available for iPhone/iPad applications.

New in version 18

This function is now available for iPhone/iPad applications.

Versions 20 and later

This function is now available for WINDEV applications in Windows.

This function is now available in Browser code.

New in version 20

This function is now available for WINDEV applications in Windows.

This function is now available in Browser code.

This function is now available for WINDEV applications in Windows.

This function is now available in Browser code.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Example

// Add a marker at the click location in a Map control
// (code to include in the click code of control)
MyPosition is geoPosition
MyPosition = MapInfoXY(MAP_Position, MouseXPos(), MouseYPos())
IF ErrorOccurred = False THEN
MyMarker is Marker
MyMarker..Position = MyPosition
MapAddMarker(MAP_Position, MyMarker)
END

Syntax

<Result> = MapInfoXY(<Map control> , <X> , <Y>)

<Result>: geoPosition variable

geoPosition variable corresponding to the geographical position of the point on the map.
If an error occurred, the ErrorOccurred variable is set to True and the error details are returned by ErrorInfo.

<Map control>: Character string (with or without quotes)

Name of Map control to use. If this parameter corresponds to an empty string (""), the Map control to which the current event belongs will be used.

<X>: Integer

X coordinate (in pixels) of point to study. This coordinate is relative to the top left corner of control. If this coordinate is negative, the position will be sought for a point that is not displayed on the map.

<Y>: Integer

Y coordinate (in pixels) of point to study. This coordinate is relative to the top left corner of control. If this coordinate is negative, the position will be sought for a point that is not displayed on the map.

Remarks

To retrieve the coordinates of a point in the Map control on which an event occurred (click for example):
- use the functions MouseXPos and MouseYPos.
- use GesturePosX andGesturePosY.
The calculation of position takes into account the zoom level in the Map control during the call to the function. The higher the zoom level is, the more precise the position will be.

Component : wd250obj.dll