添加菜单

将MenuStrip控件拖拽到Form窗体顶部添加菜单

编辑菜单

添加菜单项，编辑菜单属性等功能。

右键单击已添加的菜单项可以弹出右键菜单：
可以设置菜单图标，使能菜单，显示快捷键、转换菜单项类型、插入菜单项、编辑子菜单等操作。

Form1.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace 菜单和菜单组件
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void toolStripMenuItem4_Click(object sender, EventArgs e)
        {
            MessageBox.Show("新建","操作提示");
        }

        private void toolStripMenuItem5_Click(object sender, EventArgs e)
        {
            MessageBox.Show("打开", "操作提示");
        }

        private void toolStripMenuItem6_Click(object sender, EventArgs e)
        {
            MessageBox.Show("保存","操作提示");
        }

        private void toolStripMenuItem7_Click(object sender, EventArgs e)
        {
            MessageBox.Show("关闭", "操作提示");
        }

        private void toolStripMenuItem8_Click(object sender, EventArgs e)
        {
            MessageBox.Show("撤销", "操作提示");
        }
    }
}