ExportProvider.GetExport<T, TMetadataView> Method ()

 

Returns the export with the contract name derived from the specified type parameter. If there is not exactly one matching export, an exception is thrown.

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

public Lazy<T, TMetadataView> GetExport<T, TMetadataView>()

Return Value

Type: System.Lazy<T, TMetadataView>

System.Lazy`2

Type Parameters

T

The type parameter of the Lazy<T, TMetadata> object to return. The contract name is also derived from this type parameter.

TMetadataView

The type of the metadata view of the Lazy<T, TMetadata> object to return.

Exception Condition
ImportCardinalityMismatchException

There are zero Lazy<T, TMetadata> objects with the contract name derived from T in the CompositionContainer object.

-or-

There is more than one Lazy<T, TMetadata> object with the contract name derived from T in the CompositionContainer object.

ObjectDisposedException

The CompositionContainer object has been disposed of.

InvalidOperationException

TMetadataView is not a valid metadata view type.

The contract name is the result of calling the GetContractName method on T.

The contract name is compared by using the Ordinal property to perform a case-sensitive, non-linguistic comparison.

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