Class hierarchy¶

TObject (System)
- Exception (sysutils)
  - EStreamError (Classes)
    - EIOStreamError (IoStream)
    - EPipeError (Pipes)
      - EPipeSeek (Pipes)
      - EPipeCreation (Pipes)
    - Ezliberror (ZStream)
      - Egzfileerror (ZStream)
      - Ecompressionerror (ZStream)
      - Edecompressionerror (ZStream)
    - EIDEAError (Idea)
    - EBlowFishError (BlowFish)
    - ENullStreamError (NullStream)
  - ESingleInstance (SingleInstance)
  - EICPException (AdvancedIPC)
  - EDuplicate (Contnrs)
  - EKeyNotFound (Contnrs)
  - EProcess (Process)
  - EBase64DecodingException (Base64)
  - EMOFileError (GetText)
  - ECGIException (EzCgi)
  - EIniCol (IniCol)
  - EStreamColl (StreamColl)
  - ECacheError (CacheCls)
  - ELogError (EventLog)
  - ESyncObjectException (SyncObjs)
    - ELockException (SyncObjs)
    - ELockRecursionException (SyncObjs)
  - EIPCError (SimpleIPC)
  - EDaemon (DaemonApp)
  - EDatabaseError (DB)
    - EUpdateError (DB)
    - ESQLDatabaseError (SQLDB)
      - EIBDatabaseError (IBConnection)
      - EMSSQLDatabaseError (MSSQLConn)
  - MDSError (MemDs)
  - EZipError (Zipper)
  - EJSON (fpJson)
    - EJSONToPascal (fpJsonToPas)
    - EJSONWriter (JsonWriter)
  - EParserError (Classes)
    - EScannerError (JsonScanner)
    - EJSONParser (JsonReader)
  - EHTTP (HTTPDefs)
    - EHTTPRoute (HTTPRoute)
    - EFPHTTPError (fpHTTP)
      - EFpWebError (CustWeb)
    - EHTTPClient (fpHTTPClient)
      - EHTTPClientSocket (fpHTTPClient)
        
        EHTTPClientSocketRead (fpHTTPClient)
        
        EHTTPClientSocketWrite (fpHTTPClient)
    - EFPWebError (FpWeb)
  - ETemplateParser (fpTemplate)
  - EMediator (fpObserver)
  - EExprScanner (fpExprPars)
  - EExprParser (fpExprPars)
  - EVersionInfo (FileInfo)
  - ECollectionError (fpMkUnit)
  - EDictionaryError (fpMkUnit)
  - EInstallerError (fpMkUnit)
- TStream (Classes)
  - THandleStream (Classes)
    - TIOStream (IoStream)
    - TReleaseHandleStream (AdvancedIPC)
    - TFileStream (Classes)
      - TBufferedFileStream (BufStream)
    - TInputPipeStream (Pipes)
    - TOutputPipeStream (Pipes)
    - TNullStream (NullStream)
  - TOwnerStream (Classes)
    - TBufStream (BufStream)
      - TReadBufStream (BufStream)
      - TWriteBufStream (BufStream)
    - Tcustomzlibstream (ZStream)
      - Tcompressionstream (ZStream)
      - Tdecompressionstream (ZStream)
    - TIDEAStream (Idea)
      - TIDEAEncryptStream (Idea)
      - TIDEADeCryptStream (Idea)
    - TBase64EncodingStream (Base64)
      - TBase64URLEncodingStream (Base64)
    - TBase64DecodingStream (Base64)
      - TBase64URLDecodingStream (Base64)
    - TWindowedStream (StreamEx)
    - TBlowFishStream (BlowFish)
      - TBlowFishEncryptStream (BlowFish)
      - TBlowFishDeCryptStream (BlowFish)
    - TASCII85DecoderStream (Ascii85)
    - TASCII85EncoderStream (Ascii85)
  - TGZFileStream (ZStream)
  - TGZipCompressionStream (ZStream)
  - TGZipDecompressionStream (ZStream)
  - TBufBlobStream (BufDataset)
- TPersistent (Classes)
  - TComponent (Classes)
    - TBaseSingleInstance (SingleInstance)
      - TAdvancedSingleInstance (AdvancedSingleInstance)
    - TIPCBase (AdvancedIPC)
      - TIPCClient (AdvancedIPC)
      - TIPCServer (AdvancedIPC)
    - TProcess (Process)
    - TEventLog (EventLog)
    - TCustomApplication (CustApp)
      - TCustomDaemonApplication (DaemonApp)
        
        TDaemonApplication (DaemonApp)
      - TCustomWebApplication (CustWeb)
    - TSimpleIPC (SimpleIPC)
      - TSimpleIPCServer (SimpleIPC)
      - TSimpleIPCClient (SimpleIPC)
    - TDataModule (Classes)
      - TCustomDaemon (DaemonApp)
        
        TDaemon (DaemonApp)
      - TCustomHTTPModule (fpHTTP)
        
        TSessionHTTPModule (fpHTTP)
        
        TCustomFPWebModule (FpWeb)
        
        TFPWebModule (FpWeb)
    - TDaemonController (DaemonApp)
    - TCustomDaemonMapper (DaemonApp)
      - TDaemonMapper (DaemonApp)
    - TFPCustomTimer (fpTimer)
      - TFPTimer (fpTimer)
    - TField (DB)
      - TStringField (DB)
        
        TWideStringField (DB)
        
        TGuidField (DB)
      - TNumericField (DB)
        
        TLongintField (DB)
        
        TIntegerField (DB)
        
        TShortintField (DB)
        
        TByteField (DB)
        
        TSmallintField (DB)
        
        TWordField (DB)
        
        TAutoIncField (DB)
        
        TLongWordField (DB)
        
        TLargeintField (DB)
        
        TFloatField (DB)
        
        TCurrencyField (DB)
        
        TExtendedField (DB)
        
        TSingleField (DB)
        
        TBCDField (DB)
        
        TFMTBCDField (DB)
      - TBooleanField (DB)
      - TDateTimeField (DB)
        
        TDateField (DB)
        
        TTimeField (DB)
      - TBinaryField (DB)
        
        TBytesField (DB)
        
        TVarBytesField (DB)
      - TBlobField (DB)
        
        TMemoField (DB)
        
        TWideMemoField (DB)
        
        TGraphicField (DB)
      - TVariantField (DB)
      - TObjectField (DB)
        
        TArrayField (DB)
    - TDataSet (DB)
      - TDBDataset (DB)
        
        TCustomBufDataset (BufDataset)
        
        TBufDataset (BufDataset)
        
        TCustomSQLQuery (SQLDB)
        
        TSQLQuery (SQLDB)
      - TMemDataset (MemDs)
    - TDataSource (DB)
    - TDBTransaction (DB)
      - TSQLTransaction (SQLDB)
    - TCustomConnection (DB)
      - TDatabase (DB)
        
        TSQLConnection (SQLDB)
        
        TSQLConnector (SQLDB)
        
        TIBConnection (IBConnection)
        
        TMSSQLConnection (MSSQLConn)
        
        TSybaseConnection (MSSQLConn)
    - TCustomSQLStatement (SQLDB)
      - TSQLStatement (SQLDB)
    - TJSONApplier (fpJsonApply)
    - TJSONToPascal (fpJsonToPas)
    - TFPMimeTypes (FpMimeTypes)
    - TCustomSession (HTTPDefs)
    - THTTPRouter (HTTPRoute)
    - THTTPContentProducer (fpHTTP)
    - TSessionFactory (fpHTTP)
    - TWebHandler (CustWeb)
    - TFPCustomHTTPClient (fpHTTPClient)
      - TFPHTTPClient (fpHTTPClient)
    - TBaseMediator (fpObserver)
      - TComponentMediator (fpObserver)
      - TBaseListMediator (fpObserver)
        
        TColumnsListMediator (fpObserver)
    - TFPExpressionParser (fpExprPars)
    - TExprBuiltInManager (fpExprPars)
    - TFileVersionInfo (FileInfo)
    - TPascalCodeGenerator (PasCodeGen)
    - TDictionary (fpMkUnit)
      - TPackageDictionary (fpMkUnit)
    - TBuildEngine (fpMkUnit)
    - TCustomInstaller (fpMkUnit)
      - TFPCInstaller (fpMkUnit)
      - TBasicInstaller (fpMkUnit)
  - TCSVHandler (CsvReadWrite)
    - TCSVParser (CsvReadWrite)
    - TCSVBuilder (CsvReadWrite)
    - TCSVDocument (CsvDocument)
  - TIODescriptor (Process)
  - TCollectionItem (Classes)
    - TIniCollectionItem (IniCol)
      - TNamedIniCollectionItem (IniCol)
    - TStreamCollectionItem (StreamColl)
    - TDependency (DaemonApp)
    - TDaemonDef (DaemonApp)
    - TNamedItem (DB)
      - TFieldDef (DB)
        
        TSQLDBFieldDef (SQLDB)
      - TIndexDef (DB)
    - TCheckConstraint (DB)
    - TParam (DB)
      - TSQLDBParam (SQLDB)
    - TSqlObjectIdenfier (SQLTypes)
    - TZipFileEntry (Zipper)
      - TFullZipFileEntry (Zipper)
    - TPropertyMapItem (fpJsonToPas)
    - TCookie (HTTPDefs)
    - TUploadedFile (HTTPDefs)
    - TMimeItem (HTTPDefs)
    - THTTPRoute (HTTPRoute)
      - THTTPRouteCallback (HTTPRoute)
      - THTTPRouteCallbackEx (HTTPRoute)
      - THTTPRouteEvent (HTTPRoute)
      - THTTPRouteInterface (HTTPRoute)
      - THTTPRouteObject (HTTPRoute)
    - TRequestInterceptorItem (HTTPRoute)
    - TCustomWebAction (fpHTTP)
      - TFPWebAction (FpWeb)
    - TModuleItem (fpHTTP)
    - TTemplateVar (FpWeb)
    - TMediatorFieldInfo (fpObserver)
    - TMediatorDef (fpObserver)
    - TFPExprIdentifierDef (fpExprPars)
      - TFPBuiltInExprIdentifierDef (fpExprPars)
    - TNamedItem (fpMkUnit)
      - TCommand (fpMkUnit)
      - TPackageVariant (fpMkUnit)
      - TTarget (fpMkUnit)
      - TSource (fpMkUnit)
      - TPackage (fpMkUnit)
    - TConditionalString (fpMkUnit)
      - TConditionalDestString (fpMkUnit)
      - TDependency (fpMkUnit)
      - TResourceFile (fpMkUnit)
    - TNotifyEventItem (fpMkUnit)
  - TCollection (Classes)
    - TIniCollection (IniCol)
      - TNamedIniCollection (IniCol)
    - TStreamCollection (StreamColl)
    - TDependencies (DaemonApp)
    - TDaemonDefs (DaemonApp)
    - TOwnedCollection (Classes)
      - TDefCollection (DB)
        
        TFieldDefs (DB)
        
        TSQLDBFieldDefs (SQLDB)
        
        TIndexDefs (DB)
        
        TServerIndexDefs (SQLDB)
    - TCheckConstraints (DB)
    - TParams (DB)
      - TSQLDBParams (SQLDB)
    - TSqlObjectIdentifierList (SQLTypes)
    - TZipFileEntries (Zipper)
      - TFullZipFileEntries (Zipper)
    - TPropertyMap (fpJsonToPas)
    - TCookies (HTTPDefs)
    - TUploadedFiles (HTTPDefs)
    - TMimeItems (HTTPDefs)
      - TStreamingMimeItems (HTTPDefs)
    - THTTPRouteList (HTTPRoute)
    - TRequestInterceptorList (HTTPRoute)
    - TCustomWebActions (fpHTTP)
      - TFPWebActions (FpWeb)
    - TModuleFactory (fpHTTP)
    - TTemplateVars (FpWeb)
    - TMediatorFieldInfoList (fpObserver)
    - TMediatorDefs (fpObserver)
    - TFPExprIdentifierDefs (fpExprPars)
    - TNamedCollection (fpMkUnit)
      - TCommands (fpMkUnit)
      - TPackageVariants (fpMkUnit)
      - TTargets (fpMkUnit)
      - TSources (fpMkUnit)
      - TPackages (fpMkUnit)
    - TConditionalStrings (fpMkUnit)
      - TConditionalDestStrings (fpMkUnit)
      - TDependencies (fpMkUnit)
      - TResourceFiles (fpMkUnit)
    - TNotifyEventCollection (fpMkUnit)
  - TStrings (Classes)
    - TStringList (Classes)
      - THashedStringList (IniFiles)
  - TWinBindings (DaemonApp)
  - TDataLink (DB)
    - TDetailDataLink (DB)
      - TMasterDataLink (DB)
        
        TMasterParamsDataLink (DB)
  - TSQLSequence (SQLDB)
  - TConnectionDef (SQLDB)
    - TIBConnectionDef (IBConnection)
    - TMSSQLConnectionDef (MSSQLConn)
      - TSybaseConnectionDef (MSSQLConn)
  - TCORSSupport (HTTPDefs)
  - TProxyData (fpHTTPClient)
  - TFPCustomTemplate (fpTemplate)
    - TFPTemplate (fpTemplate)
  - TFPVersion (fpMkUnit)
  - TCustomDefaults (fpMkUnit)
    - TBasicDefaults (fpMkUnit)
    - TFPCDefaults (fpMkUnit)
- TMaskUtils (MaskUtils)
- TFPObjectList (Contnrs)
- TList (Classes)
  - TObjectList (Contnrs)
    - TComponentList (Contnrs)
  - TClassList (Contnrs)
  - TIniFileKeyList (IniFiles)
  - TIniFileSectionList (IniFiles)
- TOrderedList (Contnrs)
  - TStack (Contnrs)
    - TObjectStack (Contnrs)
  - TQueue (Contnrs)
    - TObjectQueue (Contnrs)
- TFPHashList (Contnrs)
- TFPHashObject (Contnrs)
- TFPHashObjectList (Contnrs)
- THTCustomNode (Contnrs)
  - THTDataNode (Contnrs)
  - THTStringNode (Contnrs)
  - THTObjectNode (Contnrs)
    - THTOwnedObjectNode (Contnrs)
- TFPCustomHashTable (Contnrs)
  - TFPDataHashTable (Contnrs)
  - TFPStringHashTable (Contnrs)
  - TFPObjectHashTable (Contnrs)
- TCustomBucketList (Contnrs)
  - TBucketList (Contnrs)
    - TObjectBucketList (Contnrs)
- TMOFile (GetText)
- TEZcgi (EzCgi)
- TPooledMemManager (PooledMM)
- TNonFreePooledMemManager (PooledMM)
- TAbstractObjectReader (Classes)
  - TBinaryObjectReader (Classes)
    - TBidirBinaryObjectReader (StreamEx)
- TAbstractObjectWriter (Classes)
  - TBinaryObjectWriter (Classes)
    - TBidirBinaryObjectWriter (StreamEx)
- TFiler (Classes)
  - TReader (Classes)
    - TDelphiReader (StreamEx)
  - TWriter (Classes)
    - TDelphiWriter (StreamEx)
- TTextReader (StreamEx)
  - TStreamReader (StreamEx)
  - TStringReader (StreamEx)
  - TFileReader (StreamEx)
- TTextWriter (StreamEx)
  - TStringWriter (StreamEx)
  - TStreamWriter (StreamEx)
- TStringHash (IniFiles)
- TIniFileKey (IniFiles)
- TIniFileSection (IniFiles)
- TCustomIniFile (IniFiles)
  - TIniFile (IniFiles)
    - TMemIniFile (IniFiles)
  - TJSONIniFile (JsonIni)
- TCache (CacheCls)
- TSynchroObject (SyncObjs)
  - TCriticalSection (SyncObjs)
  - THandleObject (SyncObjs)
    - TEventObject (SyncObjs)
      - TSimpleEvent (SyncObjs)
    - TSemaphore (SyncObjs)
    - TMutex (SyncObjs)
  - TCountdownEvent (SyncObjs)
  - TConditionVariableMutex (SyncObjs)
  - TConditionVariableCS (SyncObjs)
  - TLightweightEvent (SyncObjs)
  - TLightweightSemaphore (SyncObjs)
- TInterlocked (SyncObjs)
- TInterfacedObject (System)
  - TGuardian (SyncObjs)
- TBlowFish (BlowFish)
- TIPCServerMsg (SimpleIPC)
- TIPCServerMsgQueue (SimpleIPC)
- TIPCServerComm (SimpleIPC)
- TIPCClientComm (SimpleIPC)
- TPropInfoList (RttiUtils)
- TPropsStorage (RttiUtils)
- TAVLTreeNode (AVL_Tree)
- TBaseAVLTreeNodeManager (AVL_Tree)
  - TAVLTreeNodeMemManager (AVL_Tree)
- TAVLTreeNodeEnumerator (AVL_Tree)
- TAVLTree (AVL_Tree)
- TThread (Classes)
  - TDaemonThread (DaemonApp)
  - TCompileWorkerThread (fpMkUnit)
- TTarArchive (LibTar)
- TTarWriter (LibTar)
- TASCII85RingBuffer (Ascii85)
- TFPTimerDriver (fpTimer)
- TLookupList (DB)
- TFieldsEnumerator (DB)
- TFields (DB)
- TParamsEnumerator (DB)
- TDataSetEnumerator (DB)
- TBufIndex (BufDataset)
  - TDoubleLinkedBufIndex (BufDataset)
  - TUniDirectionalBufIndex (BufDataset)
  - TArrayBufIndex (BufDataset)
- TDataPacketHandler (BufDataset)
  - TFpcBinaryDatapacketHandler (BufDataset)
- TCompressor (Zipper)
  - TShrinker (Zipper)
  - TDeflater (Zipper)
- TDeCompressor (Zipper)
  - TInflater (Zipper)
- TZipper (Zipper)
- TUnZipper (Zipper)
- TSQLHandle (SQLDB)
  - TSQLCursor (SQLDB)
    - TIBCursor (IBConnection)
  - TIBTrans (IBConnection)
- TSQLScript (SQLDB)
- TBaseJSONEnumerator (fpJson)
- TJSONData (fpJson)
  - TJSONNumber (fpJson)
    - TJSONFloatNumber (fpJson)
    - TJSONIntegerNumber (fpJson)
    - TJSONInt64Number (fpJson)
    - TJSONQWordNumber (fpJson)
  - TJSONString (fpJson)
  - TJSONBoolean (fpJson)
  - TJSONNull (fpJson)
  - TJSONArray (fpJson)
  - TJSONObject (fpJson)
- TBaseJSONReader (JsonReader)
  - TJSONParser (JsonParser)
  - TJSONEventReader (JsonReader)
  - TJSONConsumerReader (JsonReader)
- TJSONScanner (JsonScanner)
- TAbstractJSONWriter (JsonWriter)
  - TJSONDataWriter (JsonWriter)
  - TJSONStreamWriter (JsonWriter)
- TMimeType (FpMimeTypes)
- THTTPHeader (HTTPDefs)
  - TRequest (HTTPDefs)
  - TResponse (HTTPDefs)
- TRouteObject (HTTPRoute)
- EHTTP (HTTPDefs)
  - EWebSessionError (fpHTTP)
- TCustomHTTPEventSource (fpHTTPClient)
  - THTTPEventSource (fpHTTPClient)
- TTemplateParser (fpTemplate)
- TObservedHook (fpObserver)
- TListItemMediator (fpObserver)
  - TColumnsListItemMediator (fpObserver)
- TMediatorManager (fpObserver)
- TFPExpressionScanner (fpExprPars)
- TFPExprNode (fpExprPars)
  - TFPBinaryOperation (fpExprPars)
  - TCaseOperation (fpExprPars)
  - TFPUnaryOperator (fpExprPars)
  - TFPConstExpression (fpExprPars)
  - TFPExprIdentifierNode (fpExprPars)
    - TFPExprVariable (fpExprPars)
    - TFPExprFunction (fpExprPars)
      - TAggregateExpr (fpExprPars)
        
        TAggregateMin (fpExprPars)
        
        TAggregateMax (fpExprPars)
        
        TAggregateSum (fpExprPars)
        
        TAggregateAvg (fpExprPars)
        
        TAggregateCount (fpExprPars)
      - TFPFunctionCallBack (fpExprPars)
      - TFPFunctionEventHandler (fpExprPars)
- TVersionInfo (FileInfo)
- TFPList (Classes)
  - TNamedItemList (fpMkUnit)
- TCollectionEnumerator (Classes)
  - TCommandEnumerator (fpMkUnit)
  - TNotifyEventEnumerator (fpMkUnit)
  - TPackageVariantEnumerator (fpMkUnit)
  - TDependencyEnumerator (fpMkUnit)
  - TTargetEnumerator (fpMkUnit)
  - TSourceEnumerator (fpMkUnit)
  - TPackageEnumerator (fpMkUnit)
- TValueItem (fpMkUnit)
- TFunctionItem (fpMkUnit)
- TfpmPlugin (fpMkUnit)
  - TfpmPluginManager (fpMkUnit)
  - TfpmResolvePackagePathsPlugin (fpMkUnit)
- TFormattingWriter (WFormat)
  - THTMLWriter (WHtml)
  - TTexWriter (WTex)