ExportProvider.TryGetExports Method

Reference

Definition

Namespace:: System.ComponentModel.Composition.Hosting

Assembly:: System.ComponentModel.Composition.dll

Package:: System.ComponentModel.Composition v10.0.0-preview.1.25080.5

Source:: ExportProvider.cs

Source:: ExportProvider.cs

Source:: ExportProvider.cs

Important

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

public:
 bool TryGetExports(System::ComponentModel::Composition::Primitives::ImportDefinition ^ definition, System::ComponentModel::Composition::Hosting::AtomicComposition ^ atomicComposition, [Runtime::InteropServices::Out] System::Collections::Generic::IEnumerable<System::ComponentModel::Composition::Primitives::Export ^> ^ % exports);

public bool TryGetExports(System.ComponentModel.Composition.Primitives.ImportDefinition definition, System.ComponentModel.Composition.Hosting.AtomicComposition? atomicComposition, out System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.Export>? exports);

public bool TryGetExports(System.ComponentModel.Composition.Primitives.ImportDefinition definition, System.ComponentModel.Composition.Hosting.AtomicComposition atomicComposition, out System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.Export> exports);

member this.TryGetExports : System.ComponentModel.Composition.Primitives.ImportDefinition * System.ComponentModel.Composition.Hosting.AtomicComposition * seq -> bool

Public Function TryGetExports (definition As ImportDefinition, atomicComposition As AtomicComposition, ByRef exports As IEnumerable(Of Export)) As Boolean

Parameters

definition: ImportDefinition

The object that defines the conditions of the Export objects to get.

atomicComposition: AtomicComposition

The transactional container for the composition.

exports: 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.

Returns

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

ArgumentNullException

definition is null.

Applies to

Продукт	Версии
.NET	8 (package-provided), 9 (package-provided), 10 (package-provided)
.NET Framework	4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	2.0 (package-provided)

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