[Overview][Constants][Types][Classes][Procedures and functions][Variables] | Reference for unit 'Classes' (#fcl)

# IUnknown

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

IUnknown Interface

## Declaration

`type IUnknown = class(TObject) end;`

## Inheritance

`IUnknown` |  | IUnknown Interface
`TObject`

## Description

IUknown is not yet implemented since interfaces are not yet supported by FPC.