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Observable.DoWhile(IObservable, Func) method¶

Defined in

Type: Observable Namespace: System.Reactive.Linq Assembly: System.Reactive.dll

Applies to

netstandard2.0

public static IObservable<TSource> DoWhile<TSource>(this IObservable<TSource> source, Func<bool> condition)

Summary: Repeats the given source as long as the specified condition holds, where the condition is evaluated after each repeated source completed.

Type parameters

Name	Description
`TSource`	The type of the elements in the source sequence.

Parameters

Name	Type	Description
`source`	IObservable	Source to repeat as long as the `condition` function evaluates to true.
`condition`	Func	Condition that will be evaluated upon the completion of an iteration through the `source`, to determine whether repetition of the source is required.

Returns: IObservable -- The observable sequence obtained by concatenating the source sequence as long as the condition holds.

Exceptions

Type	Condition
System.ArgumentNullException	`source` or `condition` is null.