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Qbservable::Any<TSource> Method (IQbservable<TSource>, Expression<Func<TSource, Boolean>>)

Determines whether all elements of a queryable observable sequence satisfies a condition.

Namespace:  System.Reactive.Linq
Assembly:  System.Reactive.Providers (in System.Reactive.Providers.dll)

[ExtensionAttribute]
public:
generic<typename TSource>
static IQbservable<bool>^ Any(
	IQbservable<TSource>^ source, 
	Expression<Func<TSource, bool>^>^ predicate
)

Type Parameters

TSource

The type of source.

Parameters

source
Type: System.Reactive.Linq::IQbservable<TSource>
A queryable observable sequence whose elements to apply the predicate to.
predicate
Type: System.Linq.Expressions::Expression<Func<TSource, Boolean>>
A function to test each element for a condition.

Return Value

Type: System.Reactive.Linq::IQbservable<Boolean>
True if all elements of a queryable observable sequence satisfies a condition; otherwise, false.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IQbservable<TSource>. When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.
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