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Identifier of detection. This identifier can be passed in parameter to GPSStopDetection to interrupt the notification mechanism.
WLanguage procedure ("callback" procedure) called when the device enters into or exits from the region delimited by the specified parameters. This procedure has the following format:
PROCEDURE <Procedure Name>(<Enter>, <Detection Identifier>)
<Enter> is a boolean set to True if the device enters into the region defined by the specified parameters and it is set to False if it exits from the region.<Detection Identifier> is an integer corresponding to the value returned by GPSDetectPosition. This identifier is used to differentiate between the detected positions when the same procedure is used to detect several positions.If this procedure returns False, the detection of specified position will be stopped.
Latitude of position whose proximity will be detected.
Longitude of position whose proximity will be detected.
Radius (in meters) around the position whose proximity must be detected from which we want to be notified. If this parameter is not specified, the radius around the position will be set to 50 meters.
Time-out (in hundredths of a second) of the proximity alert. This time-out starts from the call to the function. No time-out will be defined if this parameter is set to -1 or if it is not specified.If this time-out is specified, the notification mechanism will automatically stop at the end of the time-out.This parameter can correspond to: an integer corresponding to the number of hundredths of a second,a Duration variable,Versions 23 and laterthe direct indication of duration (1 s or 10 ms for example). New in version 23the direct indication of duration (1 s or 10 ms for example). the direct indication of duration (1 s or 10 ms for example).
Required application feature
Last update: 03/17/2018
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