AsyncBase::CheckValidStateForResultsCall Method
The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.
The latest version of this topic can be found at 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