ArcObjects Library Reference (GeoDatabase)

IQueryFilter Interface

Provides access to members that filter data based on attribute values and or relationships.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Description

IQueryFilter filters data based on an attribute query. A string defining a where clause is required. An optional list of columns may be included to specify the column values to be retrieved. If no columns are specified, all values will be returned.

When To Use

When you need to filter data based on attribute values or the relationships between attributes.

Members

		Description
	AddField	Appends a single field name to the list of sub-fields.
	OutputSpatialReference	The spatial reference in which to output geometry for a given field.
	SubFields	The comma delimited list of field names for the filter.
	WhereClause	The where clause for the filter.

CoClasses that implement IQueryFilter

CoClasses and Classes	Description
ImageQueryFilter (esriCarto)	An image query filter.
QueryFilter	Esri Query Filter object.
SpatialFilter	Esri Spatial Filter object.
TemporalQueryFilter (esriTrackingAnalyst)	Controls properties for the temporal query filter.
TimeQueryFilter (esriCarto)	TimeQueryFilter Class

Remarks

Unlike the QueryDef object, QueryFilter objects are supported across all workspace types, including shapefiles and coverages.

For datasets that support it, an ORDER BY clause can be set on the attribute query by using the IQueryFilterDefinition::PostfixClause property.

.NET Snippets

Create ExtractionOp Attribute Raster | Perform Attribute Query | Select Map Features by Attribute Query | Perform Spatial Query

.NET Samples

Create a custom raster type from the ground up for DMCII data (Code Files: TestDMCIIRasterType) | Executing geoprocessing tools in the background (Code Files: RunGPForm) | Extending the replication synchronization process (Code Files: RasterSyncWorkspaceExtension) | Implementing extended criteria for some predefined schematic rules (Code Files: PlantWithoutEquipment) | Calculate area geoprocessing function tool (Code Files: CalculateAreaFunction) | Create a Mosaic dataset (Code Files: CreateMosaicDataset) | StreetMap routing (Code Files: RoutingForm) | Multivariate renderer (Code Files: MultivariateRenderer)

.NET Related Topics