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 Function Predicate(Of In T) ( _ obj As T _ ) As Boolean
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.Booleantrue if obj meets the criteria defined within the method represented by this delegate; otherwise, false.
None of the methods in the .NET Framework for Silverlight 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.
Silverlight
Supported in: 5, 4, 3Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0XNA Framework
Supported in: Xbox 360, Windows Phone OS 7.0For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.