private void panel9_Paint(object sender, PaintEventArgs e)
        {
            Packing_List pl = new Packing_List();

            pl.ShowDialog();
        }
        private void pictureBox4_Click(object sender, EventArgs e)
        {
            Packing_List pl = new Packing_List();

            pl.ShowDialog();
        }
        private void panel9_MouseClick(object sender, MouseEventArgs e)
        {
            Packing_List pl = new Packing_List();

            pl.ShowDialog();
        }
        private void button3_Click(object sender, EventArgs e)
        {
            Packing_List pl = new Packing_List();

            pl.ShowDialog();
        }
        private void metroButton1_Click(object sender, EventArgs e)
        {
            Packing_List Pl = new Packing_List();

            Pl.ShowDialog();
        }
        private void packingListToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Packing_List Pl = new Packing_List();

            Pl.ShowDialog();
        }