On a quick galnce the only vi part of the vision toolkit was Windraw. You can use the "imaq without vision display" example, http://sine.ni.com/apps/we/niepd_web_display.DISPLAY_EPD4?p_guid=B45EACE3DABC56A4E034080020E74861&p_node=DZ52505&p_submitted=N&p_rank=&p_answer=&p_source=External to workaround that.