private void researchDataDelete_Click(object sender, RoutedEventArgs e)
{
capital_city_research_data data = researchList.SelectedItem as capital_city_research_data;
if (data == null)
{
return;
}
int s = data.ResearchSet;
int r = data.Rank;
LegacyToolBox.Data.ResearchData.Remove(data);
WorldWorker.DeleteResearchData(s, r);
LegacyToolBox.AppendMessage("Research Data For Set " + s + " Rank " + r + " Deleted.");
}