private void button5_Click(object sender, EventArgs e) { //+11重载 ushort a = 0, b = 0, c = 0; Fanuc.ODBOPHIS4_1 odbophis41 = new Focas1.ODBOPHIS4_1(); int ret = Fanuc.cnc_rdophistry4(Fanuc.h, a, ref b, ref c, odbophis41); if (ret == Fanuc.EW_OK) { } else { MessageBox.Show(ret + ""); } }