Table of Contents

Class ValidationContext

Namespace
ReactiveUI.Validation.Contexts
Assembly
ReactiveUI.Validation.dll

Core interface which all validation components must implement.

public class ValidationContext : ReactiveObject, IDisposable, IValidationComponent
Inheritance
ValidationContext
Implements
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>)
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>)

Remarks

Contains all of the IValidationComponent instances applicable to the view model.

Constructors

ValidationContext(IScheduler?)

Initializes a new instance of the ValidationContext class.

public ValidationContext(IScheduler? scheduler = null)

Parameters

scheduler IScheduler

Optional scheduler to use for the properties. Uses the current thread scheduler by default.

Properties

IsValid

Gets a value indicating whether the validation is currently valid or not.

public bool IsValid { get; }

Property Value

bool

Text

Gets the current (optional) validation message.

public IValidationText Text { get; }

Property Value

IValidationText

Valid

Gets an observable for the Valid state.

public IObservable<bool> Valid { get; }

Property Value

IObservable<bool>

ValidationStatusChange

Gets the observable for validation state changes.

public IObservable<IValidationState> ValidationStatusChange { get; }

Property Value

IObservable<IValidationState>

Validations

Gets get the list of validations.

public ReadOnlyObservableCollection<IValidationComponent> Validations { get; }

Property Value

ReadOnlyObservableCollection<IValidationComponent>

Methods

Add(IValidationComponent)

Adds a validation into the validations collection.

public void Add(IValidationComponent validation)

Parameters

validation IValidationComponent

Validation component to be added into the collection.

Dispose() 

public void Dispose()

Dispose(bool)

Disposes of the managed resources.

protected virtual void Dispose(bool disposing)

Parameters

disposing bool

If its getting called by the Dispose() method.

GetIsValid()

Returns if the whole context is valid checking all the validations.

public bool GetIsValid()

Returns

bool

Returns true if the ValidationContext is valid, otherwise false.

Remove(IValidationComponent)

Removes a validation from the validations collection.

public void Remove(IValidationComponent validation)

Parameters

validation IValidationComponent

Validation component to be removed from the collection.

RemoveMany(IEnumerable<IValidationComponent>)

Removes many validation components from the validations collection.

public void RemoveMany(IEnumerable<IValidationComponent> validations)

Parameters

validations IEnumerable<IValidationComponent>

Validation components to be removed from the collection.