public MainWindow()
{
InitializeComponent();
StreamResourceInfo dataStreamInfo = Application.GetResourceStream(new Uri("Data/GDPStatistic.xml", UriKind.RelativeOrAbsolute));
XmlGdpValueProvider valueProvider = new XmlGdpValueProvider(dataStreamInfo.Stream);
DataContext = new MainViewModel(valueProvider);
}
public MainViewModel(XmlGdpValueProvider valueProvider)
{
GdpValues = valueProvider.GetValues();
MinGdpValue = GdpValues.Min(gdp => gdp.Value);
MaxGdpValue = GdpValues.Max(gdp => gdp.Value);
StartYear = GdpValues.Min(gdp => gdp.Year);
EndYear = GdpValues.Max(gdp => gdp.Year);
CountryNames = GdpValues.Select(gdp => gdp.CountryName);
ContinentNames = GdpValues.Select(gdp => gdp.ContinentName);
}