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ComposablePartCatalog.GetExports Method

Gets a list of export definitions that match the constraint defined by the specified ImportDefinition object.

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

public virtual IEnumerable<Tuple<ComposablePartDefinition, ExportDefinition>> GetExports(
	ImportDefinition definition


Type: System.ComponentModel.Composition.Primitives.ImportDefinition
The conditions of the ExportDefinition objects to be returned.

Return Value

Type: System.Collections.Generic.IEnumerable<Tuple<ComposablePartDefinition, ExportDefinition>>
A collection of Tuple<T1, T2> containing the ExportDefinition objects and their associated ComposablePartDefinition objects for objects that match the constraint specified by definition.


The ComposablePartCatalog object has been disposed of.


definition is null.

Overrides of this method should never return null. If no ExportDefinition matches the conditions defined by definition, return an empty IEnumerable<T> object.

.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.