1

Question 1

Scop: seteaza Grid DataContext

Se da:

MainViewModel

Se cere:

Seteaza Grid DataContext direct in XAML

Answer 1

Pasi:

1. Creeaza Window.Resources

se instantiaza MainViewModel x:Key=”_viewModel”

3. In Grid seteaza DataContext=”{StaticResource _viewModel}”

Question 2

Access Resources xaml from code behind

Se da:

in XAML, Window.Resources este instantiat MainWindowViewModel cu x:Key=”_viewModel”

Se cere:

In code behind, cum se obtine o referinta la _viewModel

Answer 2

(MainWindowViewModel)this.Resources[“_viewModel”];

Question 3

Se da:

event Loaded=”Window_Loaded” …

private async void Window_Loaded

Se cere:

Cum se foloseste Dispatcher.BeginInvoke

Answer 3

await Dispatcher.BeginInvoke (new Action( () => { _viewModel.LoadStateCodes;}),

DispatcherPriority.Background);