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ExportProvider.GetExport<T> 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> GetExport<T>(
	string contractName
)

Type Parameters

T

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

Parameters

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

Return Value

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

ExceptionCondition
ImportCardinalityMismatchException

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

-or-

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

ObjectDisposedException

The CompositionContainer object has been disposed of.

The returned Export<T> object is an instance of Export<T, TMetadataView> underneath, where TMetadataView is IDictionary<TKey, TValue>, TKey is String, and TValue is Object.

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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