private void ParentForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            e.Cancel = true;
            EndForm form = new EndForm(login, this);

            form.ShowDialog();
        }
        private void barButtonItemExit_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            EndForm form = new EndForm(login, this);

            form.ShowDialog();
        }
        private void barButtonItem28_ItemClick(object sender, ItemClickEventArgs e)
        {
            EndForm form = new EndForm(login, this);

            form.ShowDialog();
        }