IDeviceCollection.Item Property

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Getting property value:

Automation:

IDevice value = obj.Item ( [in] Variant Index) ;

Native (C++):

HRESULT get_ Item ( [in] VARIANT Index, [out, retval] IDevice * * pVal) ;

Parameters

Index Zero-based device index. pVal Reference to Device object. Don't forget to release it.

C++

          CComPtr<IDeviceCollection> pDevices;
          
          HRESULT hr = m_pUM->get_Devices(&pDevices);
          if(FAILED(hr))
          {
            ATLTRACE("m_pUM->get_Devices failed\n");
            return;
          }
            
          CComPtr<IDevice> pDevice;
          int i = 0;
		      HRESULT hr = pDevices->get_Item(CComVariant(i),&pDevice);
		      if(FAILED(hr))
		      {
			        ATLTRACE("pDevices->get_Item failed\n");
			        return;
		      }

Return Value

Automation: Reference to Device object. Native: S_OK or standard OLE error code.

Remarks

Returns the device from the collection

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