* @exception E_UNDERFLOW The operation (arithmetic/casting/conversion) has caused an underflow, or
* this queue is empty.
* @remarks The specific error code can be accessed using the GetLastResult() method.
* @exception E_UNDERFLOW The operation (arithmetic/casting/conversion) has caused an underflow, or
* this queue is empty.
* @remarks The specific error code can be accessed using the GetLastResult() method.