private void SettingBox_Click(object sender, EventArgs e)
        {
            var form = new SettingForm();

            form.StartPosition = FormStartPosition.CenterScreen;
            form.Show();
        }
        private void AboutForm_FormClosed(object sender, FormClosedEventArgs e)
        {
            SettingForm form = new SettingForm()
            {
                StartPosition = FormStartPosition.CenterScreen, TopMost = true
            };

            form.Show();
        }