RAD Studio VCL Reference
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Returns a requested COM interface on the object.
function ObjQueryInterface(const IID: TGUID; out Obj): HResult; override;
virtual __fastcall HRESULT ObjQueryInterface(const TGUID IID, Obj);
ObjQueryInterface attempts to locate the interface specified by the IID parameter, and returns it in the Obj parameter. If the requested interface is found and returned, ObjQueryInterface returns S_OK.
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