libsbml.Event.createEventAssignment C# (CSharp) Method

        public EventAssignment createEventAssignment()
        {
            IntPtr cPtr = libsbmlPINVOKE.Event_createEventAssignment(swigCPtr);
            EventAssignment ret = (cPtr == IntPtr.Zero) ? null : new EventAssignment(cPtr, false);
            return ret;
        }

 public void test_Model_addEvent4()
 {
     Model m = new  Model(2,2);
       Event e = new  Event(2,2);
       Trigger t = new  Trigger(2,2);
       e.setId( "e");
       e.setTrigger(t);
       e.createEventAssignment();
       Event e1 = new  Event(2,2);
       e1.setId( "e");
       e1.setTrigger(t);
       e1.createEventAssignment();
       int i = m.addEvent(e);
       assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
       assertTrue( m.getNumEvents() == 1 );
       i = m.addEvent(e1);
       assertTrue( i == libsbml.LIBSBML_DUPLICATE_OBJECT_ID );
       assertTrue( m.getNumEvents() == 1 );
       e = null;
       e1 = null;
       m = null;
 }