private void EmpruntOpening()
{
toolStripStatusLabelDerniereOperation.Text = "Emprunt";
FormEmprunt formEmprunt = new FormEmprunt();
formEmprunt.MdiParent = this;
formEmprunt.Show();
}
private void syntheseToolStripMenuItem1_Click(object sender, EventArgs e)
{
FormEmprunt child = new FormEmprunt();
child.MdiParent = this;
child.Text += " N° " + childNumber6++;
child.Show();
toolStripStatusLabelSIdentifier.Text = syntheseToolStripMenuItem1.Text;
}