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DataQueryQueryPoints Method (BoundingBox, String, CancellationToken)

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Finds PointFeature objects that lie within the given BoundingBox.

Namespace:  Telogis.GeoBase
Assembly:  geobase.net (in geobase.net.dll) Version: 4.99.0.0
Syntax
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public static PointFeature[] QueryPoints(
	BoundingBox bbox,
	string tableName,
	CancellationToken token
)

Parameters

bbox
Type: Telogis.GeoBaseBoundingBox
The BoundingBox representing the area to query.
tableName
Type: SystemString
The name of the table to query.
token
Type: Telogis.GeoBase.ConcurrencyCancellationToken
A CancellationToken that can be used to cancel the query early, causing a DataQueryCanceledException to be thrown.

Return Value

Type: PointFeature
An array of PointFeatures matching the specified type in the BoundingBox.
Remarks
Map features are stored in named tables according to their type. Developers with custom data should avoid using the table names in the list below.
Pre-defined data query tables
all
small_villages
villages
large_villages
towns
large_towns
small_cities
cities
major_cities
Examples
C#
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// 
// Create new BoundingBox, NE Los Angeles (USA)
// 
BoundingBox bbox = new BoundingBox(new LatLon(34, -117), new LatLon(33.75, -117.5));

// 
// Create a cancellation token
// 
var cancellationToken = new CancellationToken();

// 
// Get all PointFeatures in the bounding box...
// 
PointFeature[] parray = DataQuery.QueryPoints(bbox, "all", cancellationToken);
Console.WriteLine("There are a total of " + parray.Length + " PointFeatures in the given BoundingBox");
See Also