public MainVM(IRssHelper rssHelper)
{
this.rssHelper = rssHelper;
Items = new ObservableCollection <Item>();
ReadRss();
}
public MainVM(IRssHelper rssHelper)
{
/*Note like the constructor receive an interface type
* The kind of instance (implementing that interface) will be resolved in MainWindow.xaml.cs that is where
* the MainVM is first called or resolved like a dependency...And will be resolved depending on
* the kind of type registered at app.xaml.cs*/
this.rssHelper = rssHelper;
Items = new ObservableCollection <Item>();
ReadRss();
}
