CMFCApplication1View::OnSetActXWndsInfoEVUsbactxctrl1(long* pInfoA, long* pInfoB, long* pInfoC, long* pInfoD, float* pInfoE, float* pInfoF, long op)
控件消息里有数据可以取出来。

private void axUsbActX1_OnSetActXWndsInfoEV(object sender, AxUsbActXLib._DUsbActXEvents_OnSetActXWndsInfoEVEvent e)
e里pInfoA,pInfoB, pInfoC, pInfoD, pInfoE,pInfoF都是0;