private void lettreBtn_Click(object sender, EventArgs e)
{
chiffreEnLettreCours_ExCtrl chiffreEnLettreCours_ExCtrl1 = new chiffreEnLettreCours_ExCtrl();
this.Controls.Add(chiffreEnLettreCours_ExCtrl1);
chiffreEnLettreCours_ExCtrl1.Location = new Point(75, 10);
chiffreEnLettreCours_ExCtrl1.BringToFront();
chiffreEnLettreCours_ExCtrl1.Show();
}
private void lettreBtn_Click(object sender, EventArgs e)
{
chiffreEnLettreCours_ExCtrl chiffreEnLettreCours_ExCtrl1 = new chiffreEnLettreCours_ExCtrl();
mathsForm1.ActiveForm.Controls.Add(chiffreEnLettreCours_ExCtrl1);
chiffreEnLettreCours_ExCtrl1.Location = new Point(50, 100);
chiffreEnLettreCours_ExCtrl1.BringToFront();
chiffreEnLettreCours_ExCtrl1.Show();
}