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Enumerable::Any<TSource> Method (IEnumerable<TSource>^)

 
System_CAPS_noteNote

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Determines whether a sequence contains any elements.

Namespace:   System.Linq
Assembly:  System.Core (in System.Core.dll)

public:
generic<typename TSource>
[ExtensionAttribute]
static bool Any(
	IEnumerable<TSource>^ source
)

Parameters

source
Type: System.Collections.Generic::IEnumerable<TSource>^

The IEnumerable<T> to check for emptiness.

Return Value

Type: System::Boolean

true if the source sequence contains any elements; otherwise, false.

Type Parameters

TSource

The type of the elements of source.

Exception Condition
ArgumentNullException

source is null.

System_CAPS_noteNote

This method does not return any one element of a collection. Instead, it determines whether the collection contains any elements.

The enumeration of source is stopped as soon as the result can be determined.

In Visual Basic query expression syntax, an Aggregate Into Any() clause translates to an invocation of Any.

The following code example demonstrates how to use Any<TSource> to determine whether a sequence contains any elements.

No code example is currently available or this language may not be supported.

The Boolean value that the Any<TSource>(IEnumerable<TSource>^) method returns is typically used in the predicate of a where clause (Where clause in Visual Basic) or a direct call to the Where<TSource>(IEnumerable<TSource>^, Func<TSource, Boolean>^) method. The following example demonstrates this use of the Any method.

No code example is currently available or this language may not be supported.

Universal Windows Platform
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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