ExportProvider.GetExportedValue<T> Method (String)

Returns the exported object with the specified contract name. If there is not exactly one matching exported object, an exception is thrown.

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

public T GetExportedValue<T>(
	string contractName
)

Type Parameters

T

The type of the exported object to return.

Parameters

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

Return Value

Type: T
The exported object with the specified contract name.

ExceptionCondition
ImportCardinalityMismatchException

There are zero exported objects with the contract name derived from T in the CompositionContainer.

-or-

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

ObjectDisposedException

The CompositionContainer object has been disposed of.

CompositionContractMismatchException

The underlying exported object cannot be cast to T.

CompositionException

An error occurred during composition. Errors will contain a collection of errors that occurred.

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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