private void barBtnAddWeatherReport_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
 {
     MyWeatherReportSource.DataAsBindingList.Insert(1, new WeatherReport()
     {
         Date         = new DateTime(1776, 2, 29),
         Weather      = Weather.Sunny,
         HourlyReport = MyWeatherReportSource.GenerateRandomHourlyReport()
     });
 }
 private void btnReload_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
 {
     MyWeatherReportSource.Reload();
 }