Vcl.OleServer.TOleServer.QueryInterface

• Up to Parent: TOleServer

Delphi

function QueryInterface(const IID: TGUID; out Obj): HResult; override;

C++

virtual HRESULT __stdcall QueryInterface(const GUID &IID, /* out */ void *Obj);

Properties

Type	Visibility	Source	Unit	Parent
function	protected	Vcl.OleServer.pas Vcl.OleServer.hpp	Vcl.OleServer	TOleServer

Description

Returns a reference to a specified interface if the OLE server supports that interface.

QueryInterface implements the IUnknown interface method QueryInterface. QueryInterface returns a reference to the interface specified by the IID parameter as the Obj parameter. If the OLE server does not support the interface, the Obj parameter returns nil NULL and QueryInterface returns a nonzero error code.

See Also

• _AddRef

• _Release

• Invoke