/** Receives an asynchronous event block from the device via the asynchronous events pipe.\r
*\r
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state\r
/** Receives an asynchronous event block from the device via the asynchronous events pipe.\r
*\r
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state\r