| title | AsyncBase::Close Method | Microsoft Docs | |
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| ms.custom | ||
| ms.date | 11/04/2016 | |
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| ms.tgt_pltfrm | ||
| ms.topic | reference | |
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| ms.assetid | a52b1124-754b-4393-b491-64aae0c22f1c | |
| caps.latest.revision | 3 | |
| author | mikeblome | |
| ms.author | mblome | |
| manager | ghogen |
Closes the asynchronous operation.
STDMETHOD(
Close
)(void) override;
S_OK if the operation closes or is already closed; otherwise, E_ILLEGAL_STATE_CHANGE.
Close() is a default implementation of IAsyncInfo::Close, and does no actual work. To actually close an asynchronous operation, override the OnClose() pure virtual method.
Header: async.h
Namespace: Microsoft::WRL