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ObservableAsPropertyHelper(IObservable, Action) constructor¶

Defined in

Type: ObservableAsPropertyHelper Namespace: ReactiveUI.Reactive Assembly: ReactiveUI.Reactive.dll

Applies to

net10.0, net10.0-maccatalyst26.0, net10.0-desktop1.0, net10.0-browserwasm1.0, net10.0-tvos26.0, net10.0-windows10.0.19041, net10.0-macos26.0, net10.0-ios26.0, net10.0-android36.0, net9.0, net9.0-tvos18.0, net9.0-macos15.0, net9.0-maccatalyst18.0, net9.0-windows10.0.19041, net9.0-ios18.0, net9.0-desktop1.0, net8.0, net8.0-windows10.0.19041, net8.0-ios18.0, net8.0-maccatalyst18.0, net8.0-macos15.0, net8.0-tvos18.0, net8.0-ios17.5, net8.0-maccatalyst17.5, net8.0-macos14.5, netstandard2.1, net481, net462, net471

Overloads¶

1. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged)
2. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, T? initialValue)
3. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, T? initialValue, IScheduler? scheduler)
4. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, T? initialValue, bool deferSubscription)
5. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, T? initialValue, bool deferSubscription, IScheduler? scheduler)
6. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging)
7. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging, T? initialValue)
8. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging, T? initialValue, bool deferSubscription)
9. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging, T? initialValue, bool deferSubscription, IScheduler? scheduler)
10. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging, Func<T?>? getInitialValue)
11. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging, Func<T?>? getInitialValue, bool deferSubscription)
12. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Func<T?> getInitialValue, bool deferSubscription)
13. public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging, Func<T?>? getInitialValue, bool deferSubscription, IScheduler? scheduler)

1. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class with no initial value, no deferred subscription, and no scheduler.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.

2. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, T? initialValue)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class with a specified initial value.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.
`initialValue`	`T?`	The initial value of the property.

3. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, T? initialValue, IScheduler? scheduler)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class with a specified initial value and scheduler.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.
`initialValue`	`T?`	The initial value of the property.
`scheduler`	[IScheduler?](#	The scheduler on which change notifications are delivered.

4. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, T? initialValue, bool deferSubscription)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class with a specified initial value and deferred subscription flag.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.
`initialValue`	`T?`	The initial value of the property.
`deferSubscription`	bool	When true, defers source subscription until the first read of Value.

5. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, T? initialValue, bool deferSubscription, IScheduler? scheduler)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.
`initialValue`	`T?`	The initial value of the property.
`deferSubscription`	bool	When true, defers source subscription until the first read of Value.
`scheduler`	[IScheduler?](#	The scheduler on which change notifications are delivered.

6. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class with no changing callback, no initial value, no deferred subscription, and no scheduler.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.
`onChanging`	Action?	The action called before the property value changes; may be null.

7. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging, T? initialValue)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class with a specified initial value and changing callback.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.
`onChanging`	Action?	The action called before the property value changes; may be null.
`initialValue`	`T?`	The initial value of the property.

8. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging, T? initialValue, bool deferSubscription)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class with changing callback, initial value, and deferred subscription flag.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.
`onChanging`	Action?	The action called before the property value changes; may be null.
`initialValue`	`T?`	The initial value of the property.
`deferSubscription`	bool	When true, defers source subscription until the first read of Value.

9. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging, T? initialValue, bool deferSubscription, IScheduler? scheduler)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class with changing callback, initial value, deferred subscription flag, and scheduler.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.
`onChanging`	Action?	The action called before the property value changes; may be null.
`initialValue`	`T?`	The initial value of the property.
`deferSubscription`	bool	When true, defers source subscription until the first read of Value.
`scheduler`	[IScheduler?](#	The scheduler on which change notifications are delivered.

10. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging, Func<T?>? getInitialValue)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class with no initial value factory, no deferred subscription, and no scheduler.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.
`onChanging`	Action?	The action called before the property value changes; may be null.
`getInitialValue`	Func?	Factory that returns the initial value; null defaults to returning default(T).

11. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging, Func<T?>? getInitialValue, bool deferSubscription)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class with an initial value factory and deferred subscription flag.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.
`onChanging`	Action?	The action called before the property value changes; may be null.
`getInitialValue`	Func?	Factory that returns the initial value; null defaults to returning default(T).
`deferSubscription`	bool	When true, defers source subscription until the first read of Value.

12. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Func<T?> getInitialValue, bool deferSubscription)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class with an initial value factory and deferred subscription flag.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.
`getInitialValue`	Func	Factory that returns the initial value; null defaults to returning default(T).
`deferSubscription`	bool	When true, defers source subscription until the first read of Value.

13. Overload¶

public ObservableAsPropertyHelper(IObservable<T?> observable, Action<T?> onChanged, Action<T?>? onChanging, Func<T?>? getInitialValue, bool deferSubscription, IScheduler? scheduler)

View source

Summary: Initializes a new instance of the ObservableAsPropertyHelper class.

Parameters

Name	Type	Description
`observable`	IObservable	The observable to base the property on.
`onChanged`	Action	The action called when the property value changes.
`onChanging`	Action?	The action called before the property value changes; may be null.
`getInitialValue`	Func?	Factory that returns the initial value; null defaults to returning default(T).
`deferSubscription`	bool	When true, defers source subscription until the first read of Value.
`scheduler`	[IScheduler?](#	The scheduler on which change notifications are delivered.