private void UpdateGroupCtrlSettings()
 {
     if (loading == false)
     {
         GroupSettingsManager.Save();
         settingsChanged = true;
         ShowSampleShops();
     }
 }
        private void lnkApplyToAll_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            if (MessageBox.Show("Are you sure you want to apply this to all ? This will overwrite all settings", "Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
            {
                foreach (GroupSettings groupSettings in GroupSettingsManager.Groups)
                {
                    groupSettings.Copy(this.settings);
                }

                GroupSettingsManager.Save();
            }
        }