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ExportProvider.GetExportedValues<T> Method (String)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Gets all the exported objects with the specified contract name.

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

Syntax

'Declaration
Public Function GetExportedValues(Of T) ( _
    contractName As String _
) As IEnumerable(Of T)

public IEnumerable<T> GetExportedValues<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 objects to return; or nulla null reference (Nothing in Visual Basic) or an empty string ("") to use the default contract name.

Return Value

Type: System.Collections.Generic.IEnumerable<T>
The exported objects with the specified contract name, if found; otherwise, an empty Collection<T> object.

Exceptions

Exception Condition
ObjectDisposedException

The CompositionContainer object has been disposed of.
CompositionContractMismatchException

One or more of the underlying exported values 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

Silverlight

Supported in: 5, 4

Platforms

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