Export (0) Print
Expand All

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)

public static IQbservable<bool> Any<TSource>(
	this 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 http://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or http://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.
Show:
© 2014 Microsoft