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ExportProvider.TryGetExports Method

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)

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


Type: System.ComponentModel.Composition.Primitives.ImportDefinition
The object that defines the conditions of the Export objects to get.
Type: System.ComponentModel.Composition.Hosting.AtomicComposition
The transactional container for the composition.
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
trueif 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.


definition is null.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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