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Reference for unit 'System' (#rtl)

TInterfacedObject

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

TObject descendent implementing the IUnknown interface

Declaration

Source position: objpash.inc line 274

`type TInterfacedObject = class(TObject, IUnknown)`
`protected`
`frefcount: LongInt;`
`function QueryInterface();`
`function _AddRef;`
`function _Release;`
`public`
`procedure AfterConstruction; override;`		Handle reference count properly.
`procedure BeforeDestruction; override;`		Check reference count.
`public`
`class function NewInstance; override;`		Create a new instance
`public`
`property RefCount: LongInt; [r]`		Return the current reference count
`end;`

Inheritance

`TInterfacedObject,IUnknown`		TObject descendent implementing the IUnknown interface
\|
`TObject`		Base class of all classes.

Description

TInterfacedObject is a descendent of TObject which implements the IUnknown interface. It can be used as a base class for all classes which need reference counting.

IUnknown		Basic interface for all COM-based interfaces
TObject		Base class of all classes.

TInterfacedObject

Declaration

Inheritance

Description

See also