This session was presented at the conference: "Let's Dev This Montreal" (03/30/2016). Abstract: Explore data binding within a XAML-based UWP app, starting out with basic data binding and then looking into some new features and techniques, like compiled binding, available with Visual Studio 2015.

2. Christian Hissibini
Tech Enthousiast…
@histechup
HisTech Solutions
Microsoft MVP Windows Platform Dev

8. New for dependency properties
register for property changes

9. <TextBox Text="{Binding
}

13. What problem
are we solving?

14. Classic
Binding
Compiled
Binding

16. The data context of x:Bind
is the code-behind class

17. <TextBox Text="{Binding
Converter
ConverterLanguage
ConverterParameter
ElementName
FallbackValue
Mode
Path
RelativeSource
Source
TargetNullValue
UpdateSourceTrigger}
<TextBox Text="{x:Bind
Converter
ConverterLanguage
ConverterParameter
ElementName
FallbackValue
Mode
Path
RelativeSource
Source
TargetNullValue
UpdateSourceTrigger}

18. <ListView ItemsSource="{x:Bind ViewModel.Employees}">
<ListView.ItemTemplate>
<DataTemplate x:DataType="model:Employee">
<Grid>
<TextBlock Text="{x:Bind Name}"/>
</Grid>
</DataTemplate>
</ListView.ItemTemplate>
</ListView>

20. Improve performance by simplifying your
templates

21. <ResourceDictionary
x:Class="MyNamespace.MyTemplates"
xmlns:model="using:xBindSampleModel">
<DataTemplate
x:Key="MyTemplate"
x:DataType="model:Employee">
<TextBlock Text="{x:Bind Name}" />
</DataTemplate>
</ResourceDictionary>
namespace MyNamespace
{
public class MyTemplates
{
public MyTemplates()
{
InitializeComponent();
}
}
}

22. </UserControl.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<local:MyTemplates/>
<ResourceDictionary Source="filename" />
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</UserControl.Resources>

23. <Button Click="PokeEmployee">Poke Employee</Button>
<Button Click="{x:Bind Employee.Poke}">Poke Employee</Button>
void Poke()
void Poke(object sender, RoutedEventArgs e)
void Poke(object sender, object e)

24. Use Bindings.Update()
for async data (incl. OneTime)

25. Bindings.StopTracking()
pauses compiled bindings

26. Text="{x:Bind MyElement.Text}"

27. public sealed partial class MainPage : Page
{
public MainPage()
{
InitializeComponent();
this.DataContextChanged += (s, e) =>
{
ViewModel = DataContext as ViewModels.MainPageViewModel;
};
}
// strongly-typed view models enable x:bind
public ViewModels.MainPageViewModel ViewModel { get; set; }
}

28. {x:Bind} is not for
every situation (yet)

30. x:Bind can meet your binding needs most
of the time.

32. Questions?

33. Thank you!