MainForm.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

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 MF借书系统
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();
        }

        private void 返回登录ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Visible = false;
            new Form1().Show();
        }

        private void 重新启动ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Application.Restart();
        }

        private void 退出系统ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            this.Visible = false;
            new Form1().Show();
        }

        private void button1_MouseMove(object sender, MouseEventArgs e)
        {
            lable_fanhui.Text = "返回登录";
        }

        private void button1_MouseLeave(object sender, EventArgs e)
        {
            lable_fanhui.Text = "";
        }

        private void button2_MouseLeave(object sender, EventArgs e)
        {
            lable_zhongqi.Text = "";
        }

        private void button2_MouseMove(object sender, MouseEventArgs e)
        {           
            lable_zhongqi.Text = "重启";
        }