form1.cs

图书馆管理系统data structure

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

namespace 图书馆管理系统
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void toolStripMenuItem2_Click(object sender, EventArgs e)
        {
            Form2 A = new Form2();
            A.MdiParent =this ;
            A.Show ();
        }

        private void toolStripMenuItem3_Click(object sender, EventArgs e)
        {
            Form3 B = new Form3();
            B.MdiParent = this;
            B.Show();
        }

        private void toolStripMenuItem4_Click(object sender, EventArgs e)
        {
            Form4 C = new Form4();
            C.MdiParent = this;
            C.Show();
        }

        private void toolStripMenuItem5_Click(object sender, EventArgs e)
        {
            Form5 D = new Form5();
            D.MdiParent = this;
            D.Show();
        }

        private void toolStripMenuItem6_Click(object sender, EventArgs e)
        {
            Form6 f = new Form6();
            f.MdiParent = this;
            f.Show();
        }
    }
}