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DataQueryQueryPoi Method (BoundingBox, PoiType, String)

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Gets all the Points of Interest of a given type that lie underneath the given BoundingBox, with the ability to filter on a POI's name.

Namespace:  Telogis.GeoBase
Assembly:  geobase.net (in geobase.net.dll) Version: 4.99.0.0
Syntax
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public static Poi[] QueryPoi(
	BoundingBox bbox,
	PoiType[] type,
	string nameSubstring
)

Parameters

bbox
Type: Telogis.GeoBaseBoundingBox
The area to search.
type
Type: Telogis.GeoBasePoiType
The type of POIs to look for.
nameSubstring
Type: SystemString
The query will only return POI objects that have names containing this substring. If set to null POI objects will not be filtered by name.

Return Value

Type: Poi
An array of Poi objects.
Remarks
To show only a certain type of POI on a map, consider using a PoiRenderer object. A PoiRenderer object will draw only POI objects of a specified type (or types) on a map.
Examples
C#
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// This BoundingBox covers NE Los Angeles
BoundingBox bbox = new BoundingBox(new LatLon(34, -117), new LatLon(35, -118));

// This query looks only for POIs with type PetrolStation. The null parameter
// tells GeoBase not to filter on the POI name.
Poi[] pois = DataQuery.QueryPoi(bbox, new PoiType[] { PoiType.PetrolStation }, null);
foreach (Poi poi in pois) {
    Console.WriteLine("Name: " + poi.Name + "\nPhone: " + poi.Phone + "\n");
}
See Also