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Predicate<T> Delegate

July 28, 2014

Represents the method that defines a set of criteria and determines whether the specified object meets those criteria.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

public delegate bool Predicate<in T>(
	T obj
)

Type Parameters

in T

The type of the object to compare.

This type parameter is contravariant. That is, you can use either the type you specified or any type that is less derived. For more information about covariance and contravariance, see [2678dc63-c7f9-4590-9ddc-0a4df684d42e].

Parameters

obj
Type: T
The object to compare against the criteria.

Return Value

Type: System.Boolean
true if obj meets the criteria defined within the method represented by this delegate; otherwise, false.

None of the methods in the .NET Framework for Windows Phone class library have a Predicate<T> delegate as a parameter. The Predicate<T> delegate exists primarily to support the infrastructure, but you can still use it to create custom methods that use predicates.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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