DependencyPropertyBehavior Class
In This Article
Allows you to bind a ViewModel property to a control’s non-dependency property.
Namespace: DevExpress.WinUI.Core
Assembly: DevExpress.WinUI.Core.v23.2.dll
NuGet Package: DevExpress.WinUI
#Declaration
public class DependencyPropertyBehavior :
Behavior<DependencyObject>
#Remarks
To bind a ViewModel property to a control’s non-dependency property, specify the following DependencyPropertyBehavior properties:
Property | Description |
---|---|
Binding | Gets or sets the binding that should be applied to the specified property. This is a dependency property. |
Event |
Gets or sets the name of the event the Dependency |
Property |
Gets or sets a control’s property name (the binding’s target). |
The following code sample binds the ViewModel’s SelectedText property to the TextBox.SelectedText non-dependency property:
<UserControl ...
xmlns:dxc="using:DevExpress.WinUI.Core">
<Grid>
<!-- ... -->
<TextBox Grid.Row="1" Text="{x:Bind ViewModel.Text}" TextWrapping="Wrap">
<dxc:Interaction.Behaviors>
<dxc:DependencyPropertyBehavior EventName="SelectionChanged" PropertyName="SelectedText"
Binding="{x:Bind ViewModel.SelectedText, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"/>
</dxc:Interaction.Behaviors>
</TextBox>
<!-- ... -->
<TextBlock Grid.Row="3" TextWrapping="Wrap"
Text="{x:Bind ViewModel.SelectedText, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" />
</Grid>
</UserControl>
using DevExpress.Mvvm;
using DXSample.Common;
namespace DXSample.ViewModel {
public class MainViewModel : ViewModelBase {
public string SelectedText {
get { return GetValue<string>(); }
set { SetValue(value); }
}
public string Text {
get { return GetValue<string>(); }
set { SetValue(value); }
}
public MainViewModel() {
Text = DataHelper.GetData();
}
}
}
using DXSample.ViewModel;
using Microsoft.UI.Xaml.Controls;
namespace DXSample.View {
public sealed partial class MainView : UserControl {
public MainViewModel ViewModel { get; } = new MainViewModel();
public MainView() {
this.InitializeComponent();
}
}
}
#Inheritance
See Also