private void 作者EToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Form A = null;

            if (sender.Equals(预览XToolStripMenuItem))
            {
                A = new MainForm();
            }
            else if (sender.Equals(管理BToolStripMenuItem))
            {
                A = new ReadInfoForm();
            }
            else if (sender.Equals(搜索CToolStripMenuItem))
            {
                A = new ManageInfoForm();
            }
            else if (sender.Equals(说明DToolStripMenuItem))
            {
                A = new ExplanationForm();
            }
            else if (sender.Equals(作者EToolStripMenuItem))
            {
                A = new Anthor();
            }
            this.ForMF.Dispose();
            this.Hide();
            A.Show();
        }
        public void ReadInfo_Click(object sender, EventArgs e)
        {
            Form A = null;

            if (sender.Equals(ReadInfo) || sender.Equals(预览XToolStripMenuItem))
            {
                A = new ReadInfoForm();
            }
            else if (sender.Equals(ManageInfo) || sender.Equals(管理BToolStripMenuItem))
            {
                A = new ManageInfoForm();
            }
            else if (sender.Equals(SearchInfo) || sender.Equals(搜索CToolStripMenuItem))
            {
                A = new SearchInfoForm();
            }
            else if (sender.Equals(Explanation) || sender.Equals(说明DToolStripMenuItem))
            {
                A = new ExplanationForm();
            }
            else if (sender.Equals(Anthor) || sender.Equals(作者EToolStripMenuItem))
            {
                A = new Anthor();
            }
            this.ForMF.Dispose();
            this.Hide();
            A.Show();
        }