ExportProvider.GetExport<T, TMetadataView> Method (String)

Returns the export with the specified contract name. 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>(
	string contractName
)

Type Parameters

T

The type of the Export<T, TMetadataView> object to return.

TMetadataView

The type of the metadata view of the Export<T, TMetadataView> object to return.

Parameters

contractName
Type: System.String
The contract name of the Export<T, TMetadataView> object to return, or null or an empty string ("") to use the default contract name.

Return Value

Type: System.Lazy<T, TMetadataView>
The export with the specified contract name.

ExceptionCondition
ImportCardinalityMismatchException

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

-or-

There is more than one Export<T, TMetadataView> 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.

Silverlight

Supported in: 5, 4

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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