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DataQueryQueryIndex Method (String, String, QueryType, Object, Double, CancellationToken)

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Queries a given object for an index. See also CustomTable and CustomColumn.

Namespace:  Telogis.GeoBase
Assembly:  geobase.net (in geobase.net.dll) Version: 4.99.0.0
Syntax
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public static GISObject[] QueryIndex(
	string index,
	string table,
	QueryType condition,
	Object query,
	double simplificationLevel,
	CancellationToken token
)

Parameters

index
Type: SystemString
Index to query.
table
Type: SystemString
Table to query the index from.
condition
Type: Telogis.GeoBaseQueryType
Condition to filter the key on.
query
Type: SystemObject
Key to search for.
simplificationLevel
Type: SystemDouble
Level used to simplify line and polygon results, given as meters per pixel.
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: GISObject
An array of GISObject that match the query and condition.
Remarks
Given a table of power pylons (containing location, height and ID information) this method could be used to return a selection of power pylons matching certain location criteria.
See Also