ExportProvider::TryGetExports Method (ImportDefinition^, AtomicComposition^, IEnumerable<Export^>^%)

 

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,
	[OutAttribute] 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

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.

Exception Condition
ArgumentNullException

definition is null.

.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 4.0
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