IGPDataType接口学习

ArcGIS Developer Help (ESRI.ArcGIS.Geodatabase)

IGPDataType Interface

Provides access to members of a GP Data Type.它提供了进入一个GP数据类型的成员的通道。

Product Availability

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

When To Use什么时候才需要使用该接口呢？

The IGPDataType interface is used to define the data type for each parameter to a geoprocessing tool. Some examples of data types include FeatureClass, Table, and Raster.

IGPDataType接口用于为地理处理工具(GPTool)的每个参数定义数据类型。数据类型的一些示例包括FeatureClass、Table和Raster。

The data type is an object used to specify and manage the values passed in as input to a geoprocessing function. For example, in ModelBuilder datatypes are used to determine if a given model variable is valid input to a geoprocessing tool.

数据类型是一个对象，用于指定和管理作为输入传递给地理处理函数的值。例如，在ModelBuilder中，数据类型用于确定给定的模型变量是否为地理处理工具的有效输入。

Data types are used to provide a way to generate and validate the parameter values. For every data type there is a IGPValue object. IGPValue objects are the actual inputs to a geoprocessing tool.

数据类型用于提供生成和验证参数值的方法。对于每个数据类型都有一个IGPValue的对象。IGPValue对象是真正传入geoprocessing工具的输入。

A complete example of defining the parameter data types is available in the article, Building Geoprocessing Function Tools.

See also IGPValue.

Members

	All Properties Methods	Description
	ControlCLSID	The COM class id of the data type.
	CreateValue	Creates a geoprocessing value object from the given string.
	DisplayName	The descriptive, user-friendly name.
	FullName	The associated Name object.
	HelpContext	The context identifier of the topic within the help file.
	HelpFile	The name of the (CHM) file containing help information.
	MetadataFile	The name of the (XML) file containing the default metadata for this data type.
	Name	The name of the data type.
	ValidateDataType	Validates if a given geoprocessing data type object is valid.
	ValidateValue	Validates if a given geoprocessing value object is the correct data type.

Classes that implement IGPDataType实现了IGPDataType接口的类

Classes	Description
DEAddressLocatorType (esriLocation)	The Address Locator Data Type.
DEArcInfoTableType (esriDataSourcesFile)	ArcInfo Table Data Element object Type.
DECadastralFabricType (esriGeoDatabaseExtensions)	Esri Cadastral Fabric Data Element Type Object.
DECadDrawingDatasetType (esriDataSourcesFile)	CadDrawing Dataset Data Element object Type.
DECatalogRootType (esriDataSourcesFile)	CatalogRootType Data Element object Type.
DECoverageFeatureClassType (esriDataSourcesFile)	CoverageFeatureClass Data Element object Type.
DECoverageType (esriDataSourcesFile)	Coverage Data Element object Type.
DEDatasetType (esriGeoprocessing)	Dataset Data Element Data Type.
DEDbaseTableType (esriDataSourcesFile)	Dbase Table Data Element object Type.
DEDiskConnectionType (esriDataSourcesFile)	Disk Connection Data Element object Type.
DEFeatureClassType	Feature Class Data Element object Type.
DEFeatureDatasetType	Feature Dataset Data Element object Type.
DEFileType (esriDataSourcesFile)	File Data Element object Type.
DEFolderType (esriDataSourcesFile)	Folder Data Element object Type.
DEGeoDataServerType	GeoDataServer Object Data Element object type.
DEGeoDatasetType (esriGeoprocessing)	GeoDataset Data Element Data Type.
DEGeometricNetworkType	GeometricNetwork Data Type object.
DEGeometryServerType	GeometryServer Object Data Element object type.
DEGlobeServerType	MapServer Object Data Element object type.
DEGPServerType	MapServer Object Data Element object type.
DEImageServerType (esriDataSourcesRaster)	Image Service Object Data Element object Type.
DELasDatasetType (esriDataSourcesFile)	LAS Dataset Data Element object Type.
DELayerType (esriDataSourcesFile)	Layer Data Element object Type.
DEMapDocumentType (esriDataSourcesFile)	MapDocument Data Element object Type.
DEMapServerType	MapServer Object Data Element object type.
DEMosaicDatasetType (esriDataSourcesRaster)	The MosaicDataset Data Element object Type.
DENetworkDatasetType	Network Dataset Data Element Type object.
DEPrjFileType (esriDataSourcesFile)	Projection File Data Element object Type.
DERasterBandType	RasterBand Data Element object Type.
DERasterCatalogType	Raster Catalog Data Element Type object.
DERasterDatasetType	RasterDataset Data Element object Type.
DERelationshipClassType	RelationshipClass Class Data Element object Type.
DERemoteDatabaseFolderType (esriDataSourcesFile)	Remote Database Folder Data Element object Type.
DESchematicDatasetType (esriSchematic)	Schematic Dataset Data Element object Type.
DESchematicDiagramType (esriSchematic)	Schematic Diagram Data Element object Type.
DESchematicFolderType (esriSchematic)	Schematic Folder Data Element object Type.
DEServerConnectionType	ServerConnection Object Data Element object type.
DEShapeFileType (esriDataSourcesFile)	ShapeFile Data Element object Type.
DESpatialReferencesFolderType (esriDataSourcesFile)	Spatial References Folder Data Element object Type.
DETableType	Table Data Element object Type.
DETerrainType (esriGeoDatabaseExtensions)	Terrain Data Element object Type.
DETextFileType (esriDataSourcesFile)	Text File Data Element object Type.
DETinType (esriDataSourcesFile)	Tin Data Element object Type.
DEToolboxType (esriGeoprocessing)	The toolbox Data Type.
DEToolType (esriGeoprocessing)	The tool Data Type.
DETopologyType
DEType (esriGeoprocessing)	Data Element Data Type.
DEVPFCoverageType (esriDataSourcesFile)	DEVPFCoverage Dataset Data Element object Type.
DEVPFTableType (esriDataSourcesFile)	VPFTable Data Element object Type.
DEWCSCoverageType (esriDataSourcesRaster)	WCS Coverage Object Data Element object Type.
DEWMSMapType (esriDataSourcesRaster)	WMS Map Data Element object Type.
DEWorkspaceType	Workspace Data Element object Type.
FieldType	Field Data Element object Type.
FMEDatasetType (esriDataInterop)	FMEDatasetType Class
FMEDestDatasetType (esriDataInterop)	FMEDestDatasetType Class
FMESourceDatasetType (esriDataInterop)	FMESourceDatasetType Class
GPAddressLocatorStyleType (esriLocation)	The Address Locator Style Type.
GPAnalysisCellSizeType (esriGeoprocessing)	GeoProcessor Analysis CellSize Type object.
GPArcInfoItemType (esriDataSourcesFile)	ArcInfo Item Data Element object Type.
GPArealUnitType (esriGeoprocessing)	Geoprocessing Areal Unit Data Type.
GPBooleanType (esriGeoprocessing)	Geoprocessing Boolean Data Type.
GPCadastralFabricLayerType (esriGeoprocessing)	Geoprocessing Cadastral Fabric Layer Data Type.
GPCalculatorExpressionType (esriGeoprocessing)	Geoprocessing Field Calc Expression Data Type.
GPCellSizeXYType (esriGeoprocessing)	Geoprocessing Point Data Type.
GPCompositeDataType (esriGeoprocessing)	Geoprocessing Composite Data Type.
GPCompositeLayerType (esriGeoprocessing)	Geoprocessing Composite Layer Data Type.
GPCoordinateSystemType (esriGeoprocessing)	Geoprocessing Coordinate System Data Type.
GPDataFileType (esriGeoprocessing)	Data File Type.
GPDateType (esriGeoprocessing)	Geoprocessing Date Data Type.
GPDoubleType (esriGeoprocessing)	Geoprocessing Double Data Type.
GPEncryptedStringType (esriGeoprocessing)	Geoprocessing String Data Type.
GPEnvelopeType (esriGeoprocessing)	Geoprocessing Envelope Data Type.
GPEvaluationScaleType (esriSpatialAnalyst)	GeoProcessor EvaluationScale Type object.
GPExtentType (esriGeoprocessing)	Geoprocessing Extent Data Type.
GPFeatureLayerType (esriGeoprocessing)	Geoprocessing Feature Layer Data Type.
GPFeatureRecordSetLayerType (esriGeoprocessing)	Feature Record Set Layer Data Type.
GPFieldInfoType (esriGeoprocessing)	Geoprocessing Field Info Data Type.
GPFieldMappingType (esriGeoprocessing)	Geoprocessing Field Map Data Type.
GPGALayerType (esriGeoStatisticalAnalyst)	Geoprocessing Geostatistical layer type object.
GPGroupLayerType (esriGeoprocessing)	Geoprocessing Group Layer Data Type.
GPINFOExpressionType (esriGeoprocessing)	Geoprocessing INFO Expression Data Type.
GPLasDatasetLayerType (esriGeoprocessing)	Geoprocessing Las Dataset Layer Data Type.
GPLayerType (esriGeoprocessing)	Geoprocessing Layer Data Type.
GPLinearUnitType (esriGeoprocessing)	Geoprocessing Linear Unit Data Type.
GPLineType (esriGeoprocessing)	Geoprocessing Line Data Type.
GPLongType (esriGeoprocessing)	Geoprocessing Long Integer Data Type.
GPMDomainType (esriGeoprocessing)	Geoprocessing M Domain Data Type.
GPMosaicLayerType (esriGeoprocessing)	Geoprocessing Mosaic Layer Data Type.
GPMultiValueType (esriGeoprocessing)	Geoprocessing Multi-Value Data Type.
GPNAHierarchySettingsType (esriNetworkAnalyst)	Geoprocessing network hierarchy settings data type.
GPNALayerType (esriNetworkAnalyst)	Geoprocessing network analyst layer data type.
GPNetworkDatasetLayerType (esriGeoprocessing)	Network Dataset Layer Type object.
GPPointType (esriGeoprocessing)	Geoprocessing Point Data Type.
GPPolygonType (esriGeoprocessing)	Geoprocessing Polygon Data Type.
GPRandomNumberGeneratorType (esriGeoprocessing)	Geoprocessing Random Number Generator Data Type.
GPRasterBuilderType (esriGeoprocessing)	Raster Builder Data Type.
GPRasterCalculatorExpressionType (esriSpatialAnalyst)	GeoProcessor Spatial Analyst GPRasterCalculatorExpression Type object.
GPRasterCatalogLayerType (esriGeoprocessing)	Geoprocessing Raster Catalog Layer Data Type.
GPRasterDataLayerType (esriGeoprocessing)	Raster Data Layer Data Type.
GPRasterDataType (esriGeoprocessing)	Raster Data Type.
GPRasterFormulatedType (esriGeoprocessing)	Geoprocessor GP RasterFormulated object Type.
GPRasterGDBEnvCompressionType (esriGeoprocessing)	GeoProcessor Spatial GDB Environment Compression Type object.
GPRasterGDBEnvPyramidType (esriGeoprocessing)	GeoProcessor Spatial GDB Environment Compression Type object.
GPRasterGDBEnvStatisticsType (esriGeoprocessing)	GeoProcessor Spatial GDB Environment Compression Type object.
GPRasterGDBEnvTileSizeType (esriGeoprocessing)	GeoProcessor Spatial GDB Environment Compression Type object.
GPRasterLayerType (esriGeoprocessing)	Geoprocessing Raster Layer Data Type.
GPRecordSetType (esriGeoprocessing)	Record Set Data Type.
GPRouteMeasureEventPropertiesType (esriGeoprocessing)	Geoprocessing route measure event properties data type.
GPSACellSizeType (esriSpatialAnalyst)	GeoProcessor Spatial CellSize Type object.
GPSAExtractValuesType (esriSpatialAnalyst)	GeoProcessor Spatial Analyst GPSAExtractValues Type object.
GPSAFuzzyFunctionType (esriSpatialAnalyst)	GeoProcessor Spatial Analyst fuzzy function type object.
GPSAGeoDataType (esriGeoprocessing)	Geoprocessor GPSAGeoData object Type.
GPSAHorizontalFactorType (esriSpatialAnalyst)	GeoProcessor Spatial Analyst HorizontalFactor type object.
GPSAMapAlgebraExpType (esriSpatialAnalyst)	GeoProcessor Spatial Analyst MapAlgebra Type object.
GPSANeighborhoodType (esriSpatialAnalyst)	GeoProcessor Spatial Neighborhood Type object.
GPSANumberRemapType (esriSpatialAnalyst)	GeoProcessor Spatial NumberRemap Type object.
GPSARadiusType (esriSpatialAnalyst)	GeoProcessor Spatial Radius Type object.
GPSASemiVariogramType (esriSpatialAnalyst)	GeoProcessor Spatial SemiVariogram Type object.
GPSAStringRemapType (esriSpatialAnalyst)	GeoProcessor Spatial StringRemap Type object.
GPSATimeConfigurationType (esriSpatialAnalyst)	GeoProcessor Spatial Analyst TimeConfiguration type object.
GPSATopoFeaturesType (esriSpatialAnalyst)	GeoProcessor Spatial Analyst TopoFeatures Type object.
GPSATransformationFunctionType (esriSpatialAnalyst)	GeoProcessor Spatial Analyst transformation function type object.
GPSAVerticalFactorType (esriSpatialAnalyst)	GeoProcessor Spatial Analyst VerticalFactor type object.
GPSAWeightedOverlayTableType (esriSpatialAnalyst)	GeoProcessor WeightedOverlayTable Type object.
GPSAWeightedSumType (esriSpatialAnalyst)	GeoProcessor Spatial Analyst WeightedSum Type object.
GPSpatialReferenceType (esriGeoprocessing)	Geoprocessing Spatial Reference Data Type.
GPSQLExpressionType (esriGeoprocessing)	Geoprocessing SQL Expression Data Type.
GPStringHiddenType (esriGeoprocessing)	Geoprocessing Hidden String Data Type.
GPStringType (esriGeoprocessing)	Geoprocessing String Data Type.
GPTableViewType (esriGeoprocessing)	Geoprocessing Table view data Type.
GPTerrainLayerType (esriGeoprocessing)	Geoprocessing Terrain Layer Data Type.
GPTinLayerType (esriGeoprocessing)	Geoprocessing Tin Layer Data Type.
GPTopologyLayerType (esriGeoprocessing)	Geoprocessing Topology Layer Data Type.
GPType (esriGeoprocessing)	General Geoprocessing Data Type.
GPValueTableType (esriGeoprocessing)	Geoprocessing Value Table Data Type.
GPVariantType (esriGeoprocessing)	Geoprocessing Variant Data Type.
GPXYDomainType (esriGeoprocessing)	Geoprocessing XY Domain Data Type.
GPZDomainType (esriGeoprocessing)	Geoprocessing Z Domain Data Type.
IndexType	Index Data Element object Type.
NAClassFieldMapType (esriNetworkAnalyst)	Network Analyst Class FieldMap type.

See Also

IGPFunction Interface | IGPParameter Interface | IGPParameterInfo Interface

 

.NET Related Topics

Building a custom geoprocessing function tool