private void btnDelete_Click(object sender, EventArgs e) { short cncNb = Convert.ToInt16(txtCncNb.Text); int ret = Fanuc.cnc_delete(Fanuc.h, cncNb); if (ret == Fanuc.EW_OK) { MessageBox.Show("程序:" + cncNb + "删除成功!"); } else { MessageBox.Show("删除失败!"); } }