private void Form2_Load(object sender, EventArgs e)
        {
            inscription f = new inscription();

            f.TopLevel = false;
            flowLayoutPanel1.Controls.Clear();
            flowLayoutPanel1.Controls.Add(f);
            f.Show();
        }
        private void bunifuFlatButton1_Click(object sender, EventArgs e)
        {
            inscription f = new inscription();

            f.TopLevel = false;
            flowLayoutPanel1.Controls.Clear();
            flowLayoutPanel1.Controls.Add(f);
            f.Show();
        }