private void GetNames(object commandArg)
{
Observable.FromAsyncPattern <IList <string> >(_dataService.BeginGetNames, _dataService.EndGetNames)()
.ObserveOnDispatcher()
.Subscribe(
result => {
Names = new ObservableCollection <string>(result);
},
ex => MessageBox.Show(ex.Message),
() => {
if (Names != null && Names.Count > 0)
{
SelectedName = Names[0];
}
// refresh commands
CommandRegistry.RaiseCanExecuteChanged();
}
);
}
