private void TextBox_TypeMesure_KeyUp(object sender, KeyEventArgs e)
        {
            switch (e.KeyCode)
            {
            case Keys.Escape:
                BTN_Quitter.PerformClick();
                break;

            case Keys.Enter:
                BTN_Confirmer_Retrait.PerformClick();
                break;
            }
        }
 private void LBX_Quitter_Click(object sender, EventArgs e)
 {
     BTN_Quitter.PerformClick();
 }