DataQueryFindNearestPolygons Method (LatLon, String, Double, CancellationToken)

public static Polygon[] FindNearestPolygons(
	LatLon location,
	string tableName,
	double simplificationLevel,
	CancellationToken token
)

Public Shared Function FindNearestPolygons ( 
	location As LatLon,
	tableName As String,
	simplificationLevel As Double,
	token As CancellationToken
) As Polygon()

// 
// This example will use a GPS unit to find the current location,
// and then perform a DataQuery to find the nearest hospital to our
// current location...
// 

SerialPort myPort = new SerialPort(); // create the GPS's serial port
myPort.PortName = "COM1"; // configure the serial port
myPort.BaudRate = 9600;

IGps myGps = new NMEAGps(myPort); // create GPS unit
myGps.PowerUp(); // power up the GPS, ready for use

LatLon myLoc = myGps.Position.location; // get the current location

CancellationToken token = new CancellationToken();

// then get the nearest hospital, as a polygon...
Polygon hospital = DataQuery.FindNearestPolygons(myLoc, "hospitals", 5, token)[0];