ArcGIS Developer Help

System Namespace Contents

The System library is the lowest level library in the ArcGIS architecture. The library contains components that expose services used by the other libraries composing ArcGIS.

Interfaces

Interface	Description
IAMFSerializer	Provides access to high-level AMF serialization methods.
IAMFWriter	Provides access to members that control the sequential writing of AMF.
IAngleFormat	Provides access to members that format angles.
IAngularConverter	Provides access to methods that allow an angle to be converted from one direction unit to another.
IAngularConverter2	Provides access to methods that allow an angle to be converted from one direction unit to another.
IAnimationProgressor	Provides access to members that report progress using an animation.
IAoInitialize	Provides access to members that initialize licensing for ArcGIS Desktop, Engine, and Server.
IArcGISLocale	Provides access to members for the ArcGIS locale.
IArray	Provides access to members that control a simple array of objects.
IArray2	Provides access to replace an object in the array.
IAuthorizeLicense	Provides access to members that authorize Esri licenses.
IAutoExtension	Indicator interface that identifies an extension that automatically enables and disables as needed.
IBlobStream	Provides access to members that control a Blob Stream.
IByteSwapStreamIO	Provides access to members that support the Byte Swap Helper object.
ICategoryFactory	Provides access to members that work with the category factory.
ICheckProgressor	Provides access to members that report progress in stepped increments with checkmarks.
IChildExtension	Provides access to the parent extension of this extension. Indicates that this extension has a parent extension.
IClassID	Provides access to methods identifying class ID.
IClassify	Provides access to members that control the classification methods.
IClassifyGEN	Provides access to members that control classification.
IClassifyMinMax	Provides access to members that control the classification methods that require only a minimum and maximum value to classify.
IClassifyMinMax2	Provides access to members that control the classification methods that require a data range only.
IClone	Provides access to members that control cloning of objects.
IComponentCategoryInfo	Provides access to members that work with the component category manager.
IComponentCategoryManager	Provides access to members that work with the component category manager.
ICustomNumberFormat	Provides access to members that format numbers in a customizable way.
IDeviationInterval	Provides access to members that control the classification methods that require a standard deviation based range.
IDirectionFormat	Provides access to members that format directions.
IDocumentVersion	Provides access to members that control the document version.
IDocumentVersionSupportGEN	Provides access to extend the IObjectStream interface with methods to hande saving objects that did not exist in previous versions of the software.
IDoubleArray	Provides access to members that control double arrays.
IEnumBSTR	Provides access to members that enumerate over a set of strings.
IEnumName	Provides access to members that enumerate over a set of name objects.
IEnumNamedID	Provides access to members that enumerate over a set of named IDs.
IEnumNameEdit	Provides access to members that create of an enumeration of Name objects.
IEnumRESTOperation	REST operation enumerator.
IEnumRESTResource	REST resource enumerator.
IEnumUID	Provides access to an enumerator over a set of component IDs.
IEnumVariantSimple	Provides access to members that enumerate over a set of VARIANTs.
IEnvironmentManager	Provides access to environments.
IErrorCollection	Provides access to members that control an Error Collection.
IErrorInfo
IESRILicenseInfo	Provides access to members that check software licenses.
IESRIScriptEngine	Provides access to members that control the ESRIScriptEngine.
IExtension	Provides access to members that define an extension.
IExtensionAccelerators	Provides access to a method that creates extension accelerators.
IExtensionConfig	Provides access to members that describe an extension.
IExtensionManager	Provides access to members that query extension.
IExtensionManagerAdmin	Provides access to members that give life to the extensions.
IExternalDeserializer	Provides access to high-level JSON serialization methods.
IExternalSerializer	Provides access to high-level JSON serialization methods.
IFile	Provides access to a method that opens a file.
IFileName	Provides access to the pathnames of files.
IFileNames	Provides access to members that control an array of filenames.
IFileNames2	Provides access to retrieve subsets based on extension.
IFractionFormat	Provides access to members that format fractions.
IFrequencyStatistics	Provides access to members used for reporting frequency statistics.
IGenerateStatistics	Provides access to members used for generating statistics.
IGlobeCompression	Provides access to compress and uncompress JPEG data used by ArcGlobe.
IInputDeviceManager	Provides access to members that give life to Input Devices.
IIntervalRange	Provides access to members that control classifications that need an interval range.
IIntervalRange2	Provides access to members that control classifications that need an interval range.
IJITExtensionManager	Provides access to the Just In Time Extension Manager.
IJob	Provides access to properties of job.
IJobCatalog	Provides access to methods that control a catalog of jobs.
IJobDefinition	Provides access to properties of job definition.
IJobFilter	Provides access to methods of job filter.
IJobInfo	Provides access to info properties of the job.
IJobMessage	Provides access to properties of the job message.
IJobMessages	Provides access to methods that control an array of job messages.
IJobRegistry	Provides access to methods that control a Jobs Registry.
IJobResults	Provides access to properties of job results.
IJobTracker	Provides access to members that track and control execution of jobs.
IJSONArray	Provides simplified DOM-like JSON serialization and de-serialization API.
IJSONArray2	Provides simplified DOM-like JSON serialization and de-serialization API.
IJSONDeserializer	Provides access to high-level JSON deserialization methods.
IJSONObject	Provides simplified DOM-like JSON serialization and de-serialization API.
IJSONObject2	Provides simplified DOM-like JSON serialization and de-serialization API.
IJSONReader	Provides access to Sequential JSON Reader.
IJSONReader2
IJSONReader3
IJSONSerializer	Provides access to high-level JSON serialization methods.
IJSONWriter	Provides access to members that control the sequential writing of JSON.
IJSONWriter2
IJSONWriter3
ILatLonFormat	Provides access to members that format Latitudes and Longitudes.
ILatLonFormat2	Provides access to members that format Latitudes and Longitudes.
ILicenseInfoEnum	Provides access to retrieve the extension code.
ILicenseInformation	Provides access to retrieve the name for license product code.
ILocaleInfo	Provides access to members that control the locale information.
ILog	Provides access to methods for accessing a log.
ILog2	Provides access to methods for accessing a log.
ILogSupport	Provides access to methods for initializing an object for logging.
ILongArray	Provides access to members that control long arrays.
IMemoryBlobStream	Provides access to members that control the Blob Stream.
IMemoryBlobStream2	Provides access to members that control the Blob Stream.
IMemoryBlobStreamVariant	Provides access to methods for importing and exporting variants to and from a MemoryBlobStream.
IMessage	Provides access to members that control the properties of a Message.
IName	Provides access to members that work with Name objects.
INameFactory	Provides access to members that work with the Name factory.
INumberFormat	Provides access to members that format numbers.
INumberFormatOperations	Provides access to common operations on formatted numbers.
INumericFormat	Provides access to members that format numbers.
IObjectActivate	Provides access to methods for activating and deactivating objects.
IObjectConstruct	Provides access to methods for constructing an object.
IObjectCopy	Provides access to members to copy objects by value. The object must support IPersistStream to be copied.
IObjectStream	Provides access to members used to make objects and object references persistant. Use of this interface allows multiple references to the same object to be stored properly.
IObjectUpdate	Provides access to methods for updating an object.
IObjectValidate	Provides access to methods for validating an object.
IParentExtension	Provides access to the child extensions of this extension. Indicates that this extension has child extensions.
IParentLicenseExtension	Indicator interface that identifies that this parent extension controls the licenses of it's children.
IParseNameString	Provides access to members that parse Name strings.
IPercentageFormat	Provides access to members that format percentages.
IPersist
IPersistStream
IPersistVariant	Provides access to members used for storage of an object through VARIANTs.
IProductInstalled	Provides access to check what ArcGIS product installed on the machine.
IProgressor	Provides access to members that report progress.
IPropertySet	Provides access to members for managing a PropertySet.
IPropertySet2	Provides access to members for managing a PropertySet.
IPropertySetArray	Provides access to the IPropertySetArray Interface.
IPropertySupport	Provides access to members that set a default property on an object.
IProxyServerInfo	Provides access to members that control proxy server configuration.
IProxyServerInfo2	Provides access to additional ProxyServerInfo methods.
IRateFormat	Provides access to members that format rates.
IRectHolder	Provides access to rectangle methods.
IRequestHandler	Provides access to members that control handing of request messages.
IRequestHandler2	Provides access to members that control handing of request messages.
IRESTCallback	REST handler callback interface.
IRESTDispatcher	REST dispatcher object.
IRESTOperation	REST operation metadata object.
IRESTRequestHandler	Provides access to REST request for SO or SOE.
IRESTResource	REST resource metadata object.
IScaleFormat	Provides access to scale formatting options.
IScientificNumberFormat	Provides access to members that format scientific numbers.
ISequentialStream
IServerEnvironment	Provides access to Server configuration information.
IServerEnvironment2	Provides access to Server configuration information.
IServerEnvironment3	Provides access to Server configuration information.
IServerUserInfo	Provides access to the current user information.
ISet	Provides access to members that control a simple set of objects.
IShortcutName	Provides access to members that define the target for the shortcut name.
ISSLInfo	Provides access to members that control HTTPS configuration.
IStatisticsResults	Provides access to members used for reporting statistics.
IStatusBar	Provides access to members that define the application statusbar.
IStepProgressor	Provides access to members that report progress in stepped increments.
IStream
IStringArray	Provides access to members that control string arrays.
ISupportErrorInfo
ISystemBridge	Provides access to methods usable in all supported languages.
ITestConnection	Provides access to members that test connection for a preset configuration.
ITextureCompression	Provides access to compress and uncompress texture data.
ITime	Provides access to members that control the Time.
ITime2	Provides access to members that control the Time.
ITimeDuration	Provides access to members that control the Time Duration.
ITimeExtent	Provides access to members that control the Time Extent.
ITimeInstant	Provides access to members that control the Time Instant.
ITimeOffsetOperator	Provides access to time operations.
ITimeReference	Provides access to members that control the Time Reference.
ITimeRelationalOperator	Provides access to time operations.
ITimeValue	Provides access to members that control the Time Value.
ITimeZoneFactory	Provides access to members that control the Time Zone Factory.
ITimeZoneFactory2	Provides access to members that control the Time Zone Factory.
ITimeZoneInfo	Provides access to members that control the time zone information.
ITimeZoneRule	Provides access to members that control the Time Zone Rule.
ITrackCancel	Provides access to members that control the Cancel Tracker.
ITrackCancel2	Provides access to members that control the Cancel Tracker.
IUID	Provides access to members that work with globally unique identifier objects.
IUnitConverter	Provides access to members used for converting units.
IVariantArray	Provides access to members that control variant arrays.
IVariantStream	Provides access to members that store values to and retrieve values from a stream.
IVariantStreamIO	Provides access to members that support the VariantStream Helper object.
IWebRequestHandler	Provides access to methods that control handing of web requests.
IWebRequestHandler2	Provides access to methods that control handing of web requests.
IXMLAttributes	Provides access to members that control XML attributes.
IXMLFlags	Provides access to members that control XML flags.
IXMLNamespaces	Provides access to members that control XML namespaces.
IXMLObjectElement	Provides access to members that control writing objects to XML.
IXMLPersistedObject	Provides access to members to set or retrieve an object to be serialized to XML. The object must support IPersistStream or IPersistVariant.
IXMLReader	Provides access to members that control the sequential reading of XML.
IXMLReader2	Provides access to members that control the sequential reading of XML.
IXMLSerialize	Provides access to members that XML serialize and deserialize an object to/from XML.
IXMLSerializeData	Provides access to members that serialize and deserialize data from XML.
IXMLSerializeData2	Provides access to members that serialize and deserialize data from XML.
IXMLSerializer	Provides access to members that control the XML serialization and deserialization of objects.
IXMLSerializerAlt	Provides access to load an object from an XML string.
IXMLStream	Provides access to members that control an in-memory XML stream.
IXMLTypeMapper	Provides access to members that convert to and from XML to native types.
IXMLTypeMapper2	Provides access to members that convert to and from XML to native types.
IXMLVersionSupport	Provides access to members that help in serializing an object to different namespaces (versions).
IXMLWriter	Provides access to members that control the sequential writing of XML.
IXMLWriter2	Provides access to members that control the sequential writing of XML.
IZipArchive	Provides access to methods and properties to create and manage zip archives.
IZipArchiveEx	Provides access to methods and properties to create and manage 7-zip archives.
IZlibCompression	Provides access to compress and uncompress texture data.

Classes

Class	Description
AMFWriter	A sequential AMF Writer.
AngleFormat	An object for formatting numbers in an angle format.
AngularConverter	Converts angle measurement from one unit to another.
AoAuthorizeLicense	Class performs license authorization.
AoInitialize	Class initializes ArcObject components runtime environment. This class must be the first ArcObject created.
ArcGISLocale	Class for accessing ArcGIS locale.
Array	Generic array of objects.
BaseStatistics	Base statistics class for generating and reporting statistics.
BinaryMessage	A binary-serializable object that represents a request or response message.
ByteSwapStreamIO	Helper object that performs byte swapping of data read and written to stream.
CategoryFactory	Component Category Factory.
ComponentCategoryManager	Component Category Manager Object.
CoRESTDispatcher	IRESTDispatcher coclass
CoRESTOperation	IRESTOperation coclass
CoRESTResource	IRESTResource coclass
CurrencyFormat	An object for formatting numbers in a currency format.
CustomNumberFormat	An object for formatting numbers in a user-defined format.
DefinedInterval	Defines a defined interval classification method.
DirectionFormat	An object for formatting numbers in a direction format.
DoubleArray	An object for holding a Double array.
EnvironmentManager	Singleton object that manages different environments (collections of configuration information).
EqualInterval	Defines an equal interval classification method.
ESRILicenseInfo	Esri License Info.
ESRIScriptEngine	An object that creates ESRIScriptEngine instances.
ExtensionManager	Extension Manager - a singleton.
FileName	File Name Object.
FileNames	FileNames object maintains an array of file paths.
FileStream	Specialized kind of IStream for files.
FractionFormat	An object for formatting numbers in a fraction format.
GeometricalInterval	Defines a geometrical interval classification method.
InputDeviceManager	Input Device Manager - a singleton.
JobMessage	The JobMessage object which defines properties and behaviour og job messages.
JobMessages	The JobMessages object which defines properties and behaviour of an array of job messages.
JSONArray	Simplified JSON API coclass
JSONObject	Simplified JSON API coclass
JSONReader	A sequential JSON Reader.
JSONWriter	A sequential JSON Writer.
LatLonFormat	An object for formatting numbers in a lat/lon format.
LicenseInfoEnum	Enumerator of extension licenses supported by a product.
LocaleInfo	An object that represents a locale info.
LongArray	An object for holding a Long array.
MemoryBlobStream	Memory blob stream object.
Message	A serializable object that represents a request or response message.
NameFactory	Name Object Factory.
NaturalBreaks	Defines a natural breaks classification method.
NumericFormat	An object for formatting numbers in a variety of numeric formats.
ObjectCopy	CoClass to copy objects by value.
ObjectStream	Specialized kind of IStream for objects.
PercentageFormat	An object for formatting numbers in a percentage format.
ProductInstalled	Class checks the installed ArcGIS products on the machine.
PropertySet	Esri Property Set object.
PropertySetArray	A collection of IPropertySet objects.
ProxyServerInfo	A utility class for setting proxy server configuration information.
Quantile	Defines a quantile classification method.
RateFormat	An object for formatting numbers in a rate format.
ScaleFormat	A utility object for formatting scale.
ScientificFormat	An object for formatting numbers in a scientific format.
Set	Generic set of objects.
ShortcutName	GxObject that represents the shortcut Name Object.
SSLInfo	A utility class for setting SSL configuration information.
StandardDeviation	Defines a standard deviation classification method.
StrArray	An object for holding a String array.
SystemHelper	SystemHelper object. Providing helper methods for System objects.
Time	An object that represents a date and time value.
TimeDuration	An object that represents a time duration value.
TimeExtent	An object that represents a time-referenced time extent.
TimeInstant	An object that represents a time-referenced instant in time.
TimeReference	An object that represents a time reference, including a time zone.
TimeZoneFactory	An object that creates TimeZoneInfo instances.
TimeZoneInfo	An object that represents a time zone information.
TimeZoneRule	An object that represents a time zone dynamic adjustments rule.
UID	Unique Identifier Object.
UnitConverter	Helper CoClass to convert units.
VarArray	An object for holding a Variant array.
VariantStreamIO	Helper object that performs stream IO for Variants.
XMLAttributes	A collection of XML element attributes.
XMLFlags	A collection of XML flags.
XMLNamespaces	A collection of XML namespace declarations.
XMLPersistedObject	CoClass to serialize objects to XML.
XMLReader	An XML sequential document reader.
XMLSerializer	An XML serializer and deserializer of objects.
XMLSerializerAlt	XML serializer of objects.
XMLStream	An in-memory XML stream.
XMLTypeMapper	A type converter for XML and native types.
XMLWriter	An XML sequential document writer.
ZipArchive	The ZipArchive object which manages zip archives.

Structures

Structure	Description
tagRECT
tagSTATSTG

Enumerations

Enumeration	Description
esriAGSInternetMessageFormat	The messaging format used when exchanging internet messages with ArcGIS Server.
esriAnimations	Esri animation types.
esriArcGISVersion	Version of ArcGIS.
esriAreaUnits	Esri area measurement units.
esriByteSwapDataType	Data type to prform byte swapping on.
esriCaseAppearance	Esri character cases.
esriCoreErrorReturnCodes	Core Error Return Codes.
esriDirectionFormatEnum	Direction number format display options.
esriDirectionType	Type of bearing or azimuth used to determine direction.
esriDirectionUnits	Units used for entering angles and directions.
esriDrawOp	Draw Operation Codes.
esriDrawPhase	Phases of drawing (a layer).
esriExtensionState	Extension availability states.
esriFilePermission	Permission flags used by IFile.
esriFractionOptionEnum	Fraction format options.
esriHttpMethod	The HTTP methods.
esriIntegerTimeFormat	Esri integer time formats.
esriJobMessageType	Job message type.
esriJobStatus	Esri Job status.
esriLicenseExtensionCode	Esri License Extension codes.
esriLicenseProductCode	Esri License Product codes.
esriLicenseServerEdition	Server licensing edition.
esriLicenseStatus	Esri License Status Codes.
esriLockMgrType	Esri lock manager types.
esriNumericAlignmentEnum	Number format alignment options.
esriPowerUnits	Power quantity measurement units.
esriProductCode	Esri Product codes.
esriProductInstalled	Esri installed products.
esriRandomFunctionDistributionType	Random distribution type
esriRandomFunctionGeneratorType	Random number generator type
esriRoundingOptionEnum	Number format rounding options.
esriScaleFormat	Scale display formats enumerator.
esriServerMessageCodeEnum	Codes for server messages generated by System assembly.
esriSpeedUnits	Speed measurement units.
esriSystemMessageCodeEnum	Codes for the custom arcobjects level logging within system.
esriTemperatureUnits	Temperature measurement units.
esriTextureCompressionType	Texture Compression Types.
esriTimeLocaleFormat	Esri time string formats.
esriTimeRelation	Queryable Time Relationships.
esriTimeStringFormat	Esri time string formats.
esriTimeUnits	Esri time units.
esriTransportType	Generic service data transfer format.
esriUnits	Esri measurement units.
esriWebResponseDataType	The type web response data returned by a web request handler.
JSONTokenType	JSON Token Types.
messageSupportError	MessageSupport Error Codes.
scriptEngineError	Error codes for ESRIScriptEngine.
xmlSerializeError	XML Serialize Error Codes.