1.设计界面
2.编写代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace b
{
public partial class Form1 : Form
{
private Boiler boiler;
public Form1()
{
InitializeComponent();
boiler = new Boiler();
if(boiler.onAlarm==null) //预定事件
{
boiler.