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InstrQueryResponse

Sends the query command for the current method to the device and reads the response.

virtual HRESULT InstrQueryResponse(long lTimeout, [, argument] ...);

lTimeout

[in] I/O timeout value in milliseconds.

argument

[in] Optional arguments interpreted by the write and read format strings.

Returns S_OK if successful, otherwise a failure HRESULT.

The following example demonstrates use of the InstrQueryResponse function.

CoAcme4321.cpp
HRESULT Acme4321::Read(SAFEARRAY** ppsaData, double* pRange, double* pResolution)
{
HRESULT hr = S_OK;
hr = InstrQueryResponse(ppsaData, pRange, pResolution);
return hr;
}