RAD Studio VCL Reference
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TStreamedConnection.QueryInterface Method
TStreamedConnection Class | TStreamedConnection Members | SConnect Namespace | Description | See Also
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Implements the IUnknown QueryInterface method.

Pascal
function QueryInterface(const IID: TGUID; out Obj): HResult; stdcall; reintroduce;
C++
__fastcall __stdcall HRESULT QueryInterface(const TGUID IID,  Obj);
Description

QueryInterface returns a reference to the interface specified by the IID parameter as the Obj parameter. It the streamed connection supports the specified interface, QueryInterface returns 0. If the streamed connection does not support the interface, the Obj parameter is nil (Delphi) or NULL (C++) and QueryInterface returns E_NOINTERFACE. 

 

See Also
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