public MainPage()
{
this.InitializeComponent();
ViewModel = new CalculatorExtensionsViewModel();
ViewModel.Init(typeof(FuelCalculatorExtension), typeof(TemperatureConversionExtension));
calculatorExtensionsUC.ViewModel = ViewModel;
}
public MainWindow()
{
InitializeComponent();
this.DataContext = this;
CalculatorViewModel = new CalculatorViewModel();
CalculatorViewModel.Init(typeof(Calculator), typeof(SubtractOperation), typeof(SlowAddOperation), typeof(AddOperation));
CalculatorExtensionsViewModel = new CalculatorExtensionsViewModel();
CalculatorExtensionsViewModel.Init(typeof(FuelCalculatorExtension), typeof(TemperatureConversionExtension));
}