Table of Contents

Interface IReactiveBinding<TView, TValue>

Namespace
ReactiveUI
Assembly
ReactiveUI.dll

This interface represents the result of a Bind/OneWayBind and gives information about the binding. When this object is disposed, it will destroy the binding it is describing (i.e. most of the time you won't actually care about this object, just that it is disposable).

public interface IReactiveBinding<out TView, out TValue> : IDisposable where TView : IViewFor

Type Parameters

TView

The view type.

TValue

The value type.

Inherited Members
Extension Methods
WhenAnyMixin.WhenAny<TSender, TRet, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(TSender?, Expression<Func<TSender, T1>>, Expression<Func<TSender, T2>>, Expression<Func<TSender, T3>>, Expression<Func<TSender, T4>>, Expression<Func<TSender, T5>>, Expression<Func<TSender, T6>>, Expression<Func<TSender, T7>>, Expression<Func<TSender, T8>>, Expression<Func<TSender, T9>>, Expression<Func<TSender, T10>>, Expression<Func<TSender, T11>>, Expression<Func<TSender, T12>>, Func<IObservedChange<TSender, T1>, IObservedChange<TSender, T2>, IObservedChange<TSender, T3>, IObservedChange<TSender, T4>, IObservedChange<TSender, T5>, IObservedChange<TSender, T6>, IObservedChange<TSender, T7>, IObservedChange<TSender, T8>, IObservedChange<TSender, T9>, IObservedChange<TSender, T10>, IObservedChange<TSender, T11>, IObservedChange<TSender, T12>, TRet>)
WhenAnyMixin.WhenAny<TSender, TRet, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(TSender?, Expression<Func<TSender, T1>>, Expression<Func<TSender, T2>>, Expression<Func<TSender, T3>>, Expression<Func<TSender, T4>>, Expression<Func<TSender, T5>>, Expression<Func<TSender, T6>>, Expression<Func<TSender, T7>>, Expression<Func<TSender, T8>>, Expression<Func<TSender, T9>>, Expression<Func<TSender, T10>>, Expression<Func<TSender, T11>>, Expression<Func<TSender, T12>>, Func<IObservedChange<TSender, T1>, IObservedChange<TSender, T2>, IObservedChange<TSender, T3>, IObservedChange<TSender, T4>, IObservedChange<TSender, T5>, IObservedChange<TSender, T6>, IObservedChange<TSender, T7>, IObservedChange<TSender, T8>, IObservedChange<TSender, T9>, IObservedChange<TSender, T10>, IObservedChange<TSender, T11>, IObservedChange<TSender, T12>, TRet>, bool)

Examples

var binding = this.Bind(ViewModel, vm => vm.UserName, v => v.UserNameTextBox.Text);
binding.Changed.Subscribe(value => logger.LogInformation("UserName changed to {Value}", value));
// Later
binding.Dispose();

Remarks

IReactiveBinding<TView, TValue> instances are returned from helpers like Bind, OneWayBind, and BindCommand. Holding onto the binding allows you to inspect the original property expressions, observe the Changed stream, or dispose the binding manually when a different lifecycle than WhenActivated is required.

Properties

Changed

Gets an observable representing changed values for the binding.

IObservable<out TValue?> Changed { get; }

Property Value

IObservable<TValue>

Direction

Gets the direction of the binding.

BindingDirection Direction { get; }

Property Value

BindingDirection

View

Gets the instance of the view this binding is applied to.

TView View { get; }

Property Value

TView

ViewExpression

Gets an expression representing the property on the view bound to the ViewModel. This can be a child property, for example x.Foo.Bar.Baz in which case that will be the expression.

Expression ViewExpression { get; }

Property Value

Expression

ViewModelExpression

Gets an expression representing the property on the ViewModel bound to the view. This can be a child property, for example x.Foo.Bar.Baz in which case that will be the expression.

Expression ViewModelExpression { get; }

Property Value

Expression