private void SubscriptionManagement(object sender, EventArgs e)
 {
     if (ManageForm == null)
     {
         ManageForm             = new SubscriptionManagementForm(controller);
         ManageForm.FormClosed += SubscriptionSettingsRecycled;
         ManageForm.Show();
     }
     ManageForm.Activate();
 }
 private void SubscriptionManagement(object sender, EventArgs e)
 {
     configuration_current.StopRegularUpdate();
     Configuration.Save(configuration_current);
     if (ManageForm == null)
     {
         ManageForm = new SubscriptionManagementForm(controller);
         ManageForm.Show();
         ManageForm.FormClosed += SubscriptionSettingsRecycled;
     }
     ManageForm.Activate();
 }