private void cmbLanguage_SelectedIndexChanged(object sender, EventArgs e)
{
lblLanguageWarning.Visible = false;
GlobalSetting.LangPack = dsLanguages[cmbLanguage.SelectedIndex];
//check compatibility
var lang = new Language();
if(lang.MinVersion.CompareTo(GlobalSetting.LangPack.MinVersion) != 0)
{
lblLanguageWarning.Visible = true;
}
}