public void get_loop_gain()//伺服调整环路增益,ok { //out 只是表示传递此变量的地址 int[] array = new int[] { 1, 2, 3 }; short ret = Fanuc.cnc_rdloopgain(Fanuc.h, out array[0]); if (ret == 0) { for (int i = 0; i < array.Length; i++) { listBox9.Items.Add("环路增益:" + array[i]); } } else { MessageBox.Show(ret + ""); } }