content: package pt.gov.cartaodecidadao;
  
  /**
    * Java callback interface
    * This interface must be implemented at the application side by a class that should receive
    * the callback(s).
    */
  public interface Callback
  {
  	/**
  	  * Get a callback event.
  	  * This method is the callback from the Java SDK to the application.
  	  * A class at the application side must implement this method to receive the callbacks from
  	  * the Java interface. This callback method will give the dataobject back that was set by the
  	  * PTEID_ReaderContext.SetEventCallback(...) method.
  	  *
  	  * @param lRet:    		internal use only
  	  * @param ulState: 		internal use only
  	  * @param callbackData: 	the callback data object as passed by the function SetEventCallback
  	  */
  	public void getEvent(long lRet, long ulState, Object callbackData);
  }
  
  class CallbackHelper
  {
  	CallbackHelper()
  	{
  	}
  	CallbackHelper(CallbackHelper callbackHelper)
  	{
  		m_callbackObject = callbackHelper.m_callbackObject;
  		m_callbackData = callbackHelper.m_callbackData;
  	}
  	CallbackHelper(Callback callback, Object callbackData)
  	{
  		m_callbackObject = callback;
  		m_callbackData = callbackData;
  		m_handle = -1;
  	}
  	public Callback m_callbackObject;
  	public Object m_callbackData;
  	public long m_handle;
  }