/// <summary>
/// form Additionneur
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void additionneurToolStripMenuItem_Click(object sender, EventArgs e)
{
Additionneur addi = new Additionneur();
addi.Text += " N° " + iAddiotionneur++;
addi.MdiParent = this;
addi.Show();
toolStripStatusLabelDerniereOperation.Text = "Additionneur";
}
private void additionneurButton_Click(object sender, EventArgs e)
{
actionLabel.Text = additionButton.Text;
Additionneur child = new Additionneur();
nombre = Application.OpenForms.OfType <Additionneur>().Count();
child.Text += " N°" + (nombre + 1);
child.MdiParent = this;
child.Show();
}