Article
11/18/2011

ExportProvider.TryGetExports Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Gets all the exports that match the conditions of the specified import.

Namespace: System.ComponentModel.Composition.Hosting
Assembly: System.ComponentModel.Composition (in System.ComponentModel.Composition.dll)

Syntax

'Declaration
Public Function TryGetExports ( _
    definition As ImportDefinition, _
    atomicComposition As AtomicComposition, _
    <OutAttribute> ByRef exports As IEnumerable(Of Export) _
) As Boolean

public bool TryGetExports(
    ImportDefinition definition,
    AtomicComposition atomicComposition,
    out IEnumerable<Export> exports
)

Parameters

definition
Type: System.ComponentModel.Composition.Primitives.ImportDefinition
The object that defines the conditions of the Export objects to get.

atomicComposition
Type: System.ComponentModel.Composition.Hosting.AtomicComposition
The transactional container for the composition.

exports
Type: System.Collections.Generic.IEnumerable<Export>%
When this method returns, contains a collection of Export objects that match the conditions defined by ImportDefinition, if found; otherwise, an empty IEnumerable<T> object. This parameter is passed uninitialized.

Return Value

Type: System.Boolean
true if Cardinality is ZeroOrOne or ZeroOrMore and there are zero Export objects that match the conditions of the specified ImportDefinition; true if Cardinality is ZeroOrOne or ExactlyOne and there is exactly one Export that matches the conditions of the specified ImportDefinition; otherwise, false.

Exceptions

Exception	Condition
ArgumentNullException	definition is nulla null reference (Nothing in Visual Basic).

Version Information

Silverlight

Supported in: 5, 4

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Partager via