private void RoutesForm_FormClosed(object sender, FormClosedEventArgs e)
{
_routesForm = null;
}
private void RoutesToolStripMenuItem_Click(object sender, EventArgs e)
{
if (_routesForm == null)
{
_routesForm = new RoutesForm() { MdiParent = this };
_routesForm.FormClosed += RoutesForm_FormClosed;
_routesForm.Show();
}
else
{
_routesForm.Activate();
}
}