GetInterfaceNumber

Gets the VISA interface number of the I/O session.

virtual HRESULT GetInterfaceNumber(UINT16* pusNumber) abstract;

Parameters

pusNumber: [out] VISA interface number of the I/O session.

Return Value

Returns S_OK if successful, otherwise a failure HRESULT.

Example

The following example demonstrates use of the GetInterfaceNumber function.

C++

Copy

// CoAcme4321.cpp
STDMETHODIMP Acme4321::IAcme4321_OnFinalInitialize()
{
  HRESULT hr = S_OK;

  USHORT usIntfNum;
  hr = io.SessionInfo.GetInterfaceName(&usIntfNum);

  return hr;
}

Other Resources

GetInterfaceName

GetInterfaceType

GetSessionType