title AsyncBase::CheckValidStateForResultsCall Method | Microsoft Docs ms.custom ms.date 11/04/2016 ms.reviewer ms.suite ms.technology cpp-windows ms.tgt_pltfrm ms.topic reference f1_keywords async/Microsoft::WRL::AsyncBase::CheckValidStateForResultsCall dev_langs C++ helpviewer_keywords CheckValidStateForResultsCall method ms.assetid 87ca6805-bff1-4063-b855-6dd26132deff caps.latest.revision 3 author mikeblome ms.author mblome manager ghogen translation.priority.ht de-de es-es fr-fr it-it ja-jp ko-kr ru-ru zh-cn zh-tw translation.priority.mt cs-cz pl-pl pt-br tr-tr AsyncBase::CheckValidStateForResultsCall Method Tests whether the results of an asynchronous operation can be collected in the current asynchronous state. Syntax inline HRESULT CheckValidStateForResultsCall(); Return Value S_OK if results can be collected; otherwise, E_ILLEGAL_METHOD_CALLE_ILLEGAL_METHOD_CALL. Requirements Header: async.h Namespace: Microsoft::WRL See Also AsyncBase Class