private void btnNew_Click(object sender, EventArgs e)
        {
            // Create new file
            settingsManager = new SettingsManager <setting>(getName);

            btnGetAll.PerformClick();
        }
        private void btnLoad_Click(object sender, EventArgs e)
        {
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                settingsManager = new SettingsManager <setting>(getName);
                var t = settingsManager.Load(openFileDialog1.FileName);

                settingsNames.Clear();
                foreach (var item in t)
                {
                    settingsNames.Add(item.Value.index, item.Key);
                }

                btnGetAll.PerformClick();
            }
        }