ExportProvider::GetExportedValue<T> Method ()

.NET Framework (current version)

Returns the exported object with the contract name derived from the specified type parameter. 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)

Syntax

C++

public:
generic<typename T>
T GetExportedValue()

Return Value

Type: T

The exported object with the contract name derived from the specified type parameter.

Type Parameters

T: The type of the exported object to return. The contract name is also derived from this type parameter.

Exceptions

Exception	Condition
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.

Remarks

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.

Version Information

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