private void créerUneLigueToolStripMenuItem_Click(object sender, EventArgs e)
{
if (f2 == null)
{
f2 = new AddClub();
f2.MdiParent = this;
f2.FormClosed += F2_FormClosed;;
f2.Show();
Form childForm = new Form();
}
else
{
f2.Activate();
}
}
private void F2_FormClosed(object sender, FormClosedEventArgs e)
{
f2 = null;
}
