private void BtnOk_Click(object sender, EventArgs e)
{
int num = GetStyleNum();
Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
int userId = int.Parse(config.AppSettings.Settings["UserId"].Value);
setting = ConfigurationSetting.UpdateConfigSettingFromColor(userId, num);
//スタイルの色設定
AppConst.FormStyle.FormColor = AppConst.FormStyle.GetBGColor(setting.StyleColor);
Close();
}