Class hierarchy

TObject (System)TInterfacedObject (System)TStreamAdapter (Classes) TInterfaceList (Classes) TAggregatedObject (System)TContainedObject (System) TCustomAttribute (System)WeakAttribute (System) UnsafeAttribute (System) RefAttribute (System) VolatileAttribute (System) StoredAttribute (System) TBitConverter (Types) Exception (sysutils)EExternal (sysutils)EIntError (sysutils)EDivByZero (sysutils) ERangeError (sysutils) EIntOverflow (sysutils) EMathError (sysutils)EInvalidOp (sysutils) EZeroDivide (sysutils) EOverflow (sysutils) EUnderflow (sysutils) EInvalidArgument (Math) EExternalException (sysutils) EAccessViolation (sysutils)EBusError (sysutils) EPrivilege (sysutils) EStackOverflow (sysutils) EControlC (sysutils) EInOutError (sysutils) EHeapMemoryError (sysutils)EInvalidPointer (sysutils) EOutOfMemory (sysutils)EOutOfResources (Classes) EInvalidCast (sysutils) EVariantError (sysutils)EVariantParamNotFoundError (Variants) EVariantInvalidOpError (Variants)EVariantInvalidNullOpError (Variants) EVariantTypeCastError (Variants) EVariantOverflowError (Variants)EVariantRangeCheckError (Variants) EVariantInvalidArgError (Variants) EVariantBadVarTypeError (Variants) EVariantBadIndexError (Variants) EVariantArrayLockedError (Variants) EVariantNotAnArrayError (Variants) EVariantArrayCreateError (Variants) EVariantNotImplError (Variants) EVariantOutOfMemoryError (Variants) EVariantUnexpectedError (Variants) EVariantDispatchError (Variants) EConvertError (sysutils) EFormatError (sysutils) EAbort (sysutils) EAbstractError (sysutils) EAssertionFailed (sysutils) EObjectCheck (sysutils) EThreadError (sysutils) ESigQuit (sysutils) EPropReadOnly (sysutils) EPropWriteOnly (sysutils) EIntfCastError (sysutils) EInvalidContainer (sysutils) EInvalidInsert (sysutils) EPackageError (sysutils) EOSError (sysutils) ESafecallException (sysutils) ENoThreadSupport (sysutils) ENoWideStringSupport (sysutils) ENoDynLibsSupport (sysutils) EProgrammerNotFound (sysutils) ENotImplemented (sysutils) EArgumentException (sysutils)EArgumentOutOfRangeException (sysutils) EArgumentNilException (sysutils) EPathTooLongException (sysutils) ENotSupportedException (sysutils) EDirectoryNotFoundException (sysutils) EFileNotFoundException (sysutils) EPathNotFoundException (sysutils) EInvalidOpException (sysutils) ENoConstructException (sysutils) EEncodingError (sysutils) TMREWException (sysutils) EPropertyError (TypInfo) EPropertyConvertError (TypInfo) EStreamError (Classes)EFCreateError (Classes) EFOpenError (Classes) EFilerError (Classes)EReadError (Classes) EWriteError (Classes) EClassNotFound (Classes) EMethodNotFound (Classes) EInvalidImage (Classes) EResNotFound (Classes) EListError (Classes) EBitsError (Classes) EStringListError (Classes) EComponentError (Classes) EParserError (Classes) EInvalidOperation (Classes) EObserver (Classes) EThread (Classes)EThreadExternalException (Classes) EThreadDestroyCalled (Classes) EListError (fgl) TEncoding (sysutils)TMBCSEncoding (sysutils)TUTF7Encoding (sysutils)TUTF8Encoding (sysutils) TUnicodeEncoding (sysutils)TBigEndianUnicodeEncoding (sysutils) TSimpleRWSync (sysutils) TMultiReadExclusiveWriteSynchronizer (sysutils) TFPListEnumerator (Classes)TListEnumerator (Classes) TFPList (Classes) TList (Classes) TThreadList (Classes) TBits (Classes) TPersistent (Classes)TInterfacedPersistent (Classes) TCollectionItem (Classes) TCollection (Classes)TOwnedCollection (Classes) TStrings (Classes)TStringList (Classes) TComponent (Classes)TBasicAction (Classes) TDataModule (Classes) TRecall (Classes) TCollectionEnumerator (Classes) TStringsEnumerator (Classes) TStream (Classes)TProxyStream (Classes) TOwnerStream (Classes) THandleStream (Classes)TFileStream (Classes) TCustomMemoryStream (Classes)TMemoryStream (Classes)TBytesStream (Classes)TStringStream (Classes) TRawByteStringStream (Classes) TResourceStream (Classes) TFiler (Classes)TReader (Classes) TWriter (Classes) TAbstractObjectReader (Classes)TBinaryObjectReader (Classes) TAbstractObjectWriter (Classes)TBinaryObjectWriter (Classes) TTextObjectWriter (Classes) TParser (Classes) TThread (Classes) TComponentEnumerator (Classes) TBasicActionLink (Classes) TInterfaceListEnumerator (Classes) TCustomVariantType (Variants)TInvokeableVariantType (Variants)TPublishableVariantType (Variants) TFPSList (fgl)TFPGList (fgl) TFPGObjectList (fgl) TFPGInterfacedObjectList (fgl) TFPSMap (fgl)TFPGMap (fgl) TFPGMapObject (fgl) TFPGMapInterfacedObjectData (fgl) TFPGListEnumerator (fgl) TCharacter (Character)