コード例 #1
0
        private void pictureBox1_Click(object sender, EventArgs e)
        {
            Book_Issue book = new Book_Issue();

            book.Show();
            this.Hide();
        }
コード例 #2
0
 private void button3_Click(object sender, EventArgs e)
 {
     book.Show();
     this.Hide();
 }