private static Object CreateInstance(Type type)
{
INavigationService frameNavigationService = new FrameNavigationService(new MainView().MainViewFrame);
Type frameNavigationServiceType = Type.GetType(frameNavigationService.ToString());
var constructors = type.GetConstructors();
var defaultConstructor = constructors.SingleOrDefault(a => !a.GetParameters().Any());
if (defaultConstructor == null)
{
var navigationServiceConstructor = constructors.FirstOrDefault(
b => b.GetParameters().All(
c => c.GetCustomAttributes(frameNavigationServiceType, false).Any()));
if (navigationServiceConstructor == null)
{
throw new InvalidOperationException("No default constructor found");
}
return(navigationServiceConstructor.Invoke(navigationServiceConstructor.GetParameters()
.Select(d => d.DefaultValue).ToArray()));
}
return(Activator.CreateInstance(type));
}
private static void ViewModelSelectPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
//if (DesignerProperties.GetIsInDesignMode(d) || accessNumber == 2)
// return;
if (DesignerProperties.GetIsInDesignMode(d))
{
return;
}
Type viewType = d.GetType();
string ViewModelTypeName = viewType.FullName.Replace(viewType.Name, viewType.Name + "Model")
.Replace(".Views.", ".ViewModels.");
Type viewModelType = Type.GetType(ViewModelTypeName);
INavigationService frameNavigationService = new FrameNavigationService(new MainView().MainViewFrame);
Type frameNavigationServiceType = Type.GetType(frameNavigationService.ToString());
ConstructorInfo navigationServiceConstructor = viewModelType.GetConstructor(new Type[] { frameNavigationServiceType });
var viewModel = navigationServiceConstructor.Invoke(new Object[] { frameNavigationService });
((FrameworkElement)d).DataContext = viewModel;
accessNumber += 1;
}
