Class hierarchy

TObject (System)
- Exception
  - ENoWideStringSupport
- Exception
  - EStreamError
    - EFilerError
      - EInvalidImage
- Exception
  - EPackageError
- Exception
  - EResNotFound
- Exception
  - EHeapMemoryError
    - EOutOfMemory
- Exception
  - EComponentError
- Exception
  - EOSError
- Exception
  - EHeapMemoryError
- Exception
  - EStreamError
    - EFilerError
      - EMethodNotFound
- Exception
  - EExternal
    - EStackOverflow
- Exception
  - EThread
    - EThreadDestroyCalled
- Exception
  - EPropWriteOnly
- Exception
  - EStreamError
    - EFCreateError
- Exception
  - EStringListError
- Exception
  - EArgumentException
- Exception
  - EPropertyConvertError
- Exception
  - EExternal
    - EInterror
- Exception
  - ESafecallException
- Exception
  - EExternal
    - EInterror
      - EDivByZero
- Exception
  - EObserver
- Exception
  - EExternal
- Exception
  - EExternal
    - EControlC
- Exception
  - EExternal
    - EInterror
      - ERangeError
- Exception
  - EBitsError
- Exception
  - EHeapMemoryError
    - EInvalidPointer
- Exception
  - EAbstractError
- Exception
  - EInvalidCast
- Exception
  - EPropReadOnly
- Exception
  - EStreamError
    - EFOpenError
- Exception
  - EInOutError
- Exception
  - ENotImplemented
- Exception
  - EExternal
    - EInterror
      - EIntOverflow
- Exception
  - EPropertyError
- Exception
  - EStreamError
    - EFilerError
- Exception
  - EInvalidContainer
- Exception
  - EExternal
    - EPrivilege
- Exception
  - EExternal
    - EMathError
      - EZeroDivide
- Exception
- Exception
  - EStreamError
    - EFilerError
      - EWriteError
- Exception
  - EConvertError
- Exception
  - EExternal
    - EMathError
      - EUnderflow
- Exception
  - EExternal
    - EExternalException
- Exception
  - EStreamError
    - EFilerError
      - EReadError
- Exception
  - ENoThreadSupport
- Exception
  - EExternal
    - EMathError
      - EInvalidOp
- Exception
  - EInvalidInsert
- Exception
  - EExternal
    - EAccessViolation
- Exception
  - EIntfCastError
- Exception
  - EFormatError
- Exception
  - EAbort
- Exception
  - EAssertionFailed
- Exception
  - EHeapMemoryError
    - EOutOfMemory
      - EOutOfResources
- Exception
  - EArgumentException
    - EArgumentOutOfRangeException
- Exception
  - EExternal
    - EMathError
      - EOverflow
- Exception
  - EExternal
    - EMathError
      - EInvalidArgument
- Exception
  - EStreamError
- Exception
  - EInvalidOperation
- Exception
  - EParserError
- Exception
  - EThread
- Exception
  - EExternal
    - EAccessViolation
      - EBusError
- Exception
  - EVariantError
- Exception
  - EListError
- Exception
  - EStreamError
    - EFilerError
      - EClassNotFound
- Exception
  - EExternal
    - EMathError
- TAbstractObjectReader
- TAbstractObjectReader
  - TBinaryObjectReader
- TAbstractObjectWriter
  - TBinaryObjectWriter
- TAbstractObjectWriter
  - TTextObjectWriter
- TAbstractObjectWriter
- TAggregatedObject
  - TContainedObject
- TAggregatedObject
- TBasicActionLink
- TBits
- TCollectionEnumerator
- TComponentEnumerator
- TFiler
- TFiler
  - TReader
- TFiler
  - TWriter
- TFPList
- TFPListEnumerator
- TInterfacedObject
  - TMultiReadExclusiveWriteSynchronizer
- TInterfacedObject
- TInterfacedObject
  - TInterfaceList
- TInterfacedObject
  - TStreamAdapter
- TInterfacedObject
  - TSimpleRWSync
- TInterfaceListEnumerator
- TList
- TListEnumerator
- TParser
- TPersistent
  - TCollectionItem
- TPersistent
  - TComponent
    - TBasicAction
- TPersistent
  - TComponent
- TPersistent
- TPersistent
  - TComponent
    - TDataModule
- TPersistent
  - TCollection
    - TOwnedCollection
- TPersistent
  - TStrings
    - TStringList
- TPersistent
  - TStrings
- TPersistent
  - TCollection
- TPersistent
  - TInterfacedPersistent
- tport
- tportl
- tportw
- TRecall
- TStream
  - TOwnerStream
- TStream
  - TStringStream
- TStream
- TStream
  - TCustomMemoryStream
    - TResourceStream
- TStream
  - THandleStream
    - TFileStream
- TStream
  - TCustomMemoryStream
    - TMemoryStream
- TStream
  - TCustomMemoryStream
- TStream
  - TCustomMemoryStream
    - TMemoryStream
      - TBytesStream
- TStream
  - TProxyStream
- TStream
  - THandleStream
- TStringsEnumerator
- TThread
- TThreadList