ExportProvider.GetExports<T, TMetadataView> Method (String)
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Gets all the exports with the specified contract name.
Namespace: System.ComponentModel.Composition.Hosting
Assembly: System.ComponentModel.Composition (in System.ComponentModel.Composition.dll)
Syntax
'Declaration
Public Function GetExports(Of T, TMetadataView) ( _
contractName As String _
) As IEnumerable(Of Lazy(Of T, TMetadataView))
public IEnumerable<Lazy<T, TMetadataView>> GetExports<T, TMetadataView>(
string contractName
)
Type Parameters
- T
The type of the Export<T, TMetadataView> objects to return. The contract name is also derived from this type parameter.
- TMetadataView
The type of the metadata view of the Export<T, TMetadataView> objects to return.
Parameters
- contractName
Type: System.String
The contract name of the Export<T, TMetadataView> objects to return, or null or an empty string ("") to use the default contract name.
Return Value
Type: System.Collections.Generic.IEnumerable<Lazy<T, TMetadataView>>
The Export<T, TMetadataView> objects with the specified contract name if found; otherwise, an empty ExportCollection<T, TMetadataView> object.
Exceptions
| Exception | Condition |
|---|---|
| ObjectDisposedException | The CompositionContainer object has been disposed of. |
| InvalidOperationException | TMetadataView is not a valid metadata view type. |
Remarks
The default 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.