private void bunifuFlatButton2_Click(object sender, EventArgs e)
        {
            int class_subject = -1;

            if (ClassCheckbox.Checked)
            {
                class_subject = 0;
            }
            else if (SubjectCheckbox.Checked)
            {
                class_subject = 1;
            }
            else
            {
                MessageBox.Show("Select Class Oriented or Subject Oriented First !");
                return;
            }
            Load_Signal LoadForm = new Load_Signal(class_subject);

            LoadForm.Show();
            this.Hide();
        }
 private void classifybtn_Click(object sender, EventArgs e)
 {
     this.Hide();
     test_form.Show();
 }