Classes unit

The Classes unit is part of the Free Pascal standard Runtime Library and contains abstract classes that form the basis for derived classes, and also implements a number of general purpose concrete classes including:

Classes Defined

• TAbstractObjectReader
  • TBinaryObjectReader
• TAbstractObjectWriter
  • TBinaryObjectWriter
  • TTextObjectWriter
• TBits
• TFiler
  • TReader
  • TWriter
• TFPList (TFPListEnumerator)
• TList - Manages a list of data type Pointer, can search and sort the list, and has an event notification feature. (TListEnumerator)
• TThread
• TThreadList
• TParser
• TPersistent
  • TCollection (TCollectionEnumerator
    • TOwnedCollection
  • TCollectionItem
  • TComponent
    • TBasicAction
    • TDataModule
  • TInterfacedPersistent
  • TStrings
    • TStringList
• TRecall
• TStream
  • TCustomMemoryStream
    • TMemoryStream
      • TBytesStream
    • TResourceStream
  • TFileStream
  • THandleStream
  • TOwnerStream
  • TProxyStream
  • TStringStream

Exception Classes Defined

• EStreamError
  • EFCreateError
  • EFOpenError
  • EFilerError
    • EReadError
    • EWriteError
    • EClassNotFound
    • EMethodNotFound
    • EInvalidImage
• EResNotFound
• EListError (ifndef FPC_TESTGENERICS)
• EBitsError
• EStringListError
• EComponentError
• EParserError
• EOutOfResources
• EInvalidOperation
• TExceptionClass

See also

• classes unit doc