ExportProvider.GetExport<T, TMetadataView> Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Returns the export with the contract name derived from the specified type parameter. 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)
Syntax
'Declaration
Public Function GetExport(Of T, TMetadataView) As Lazy(Of T, TMetadataView)
public Lazy<T, TMetadataView> GetExport<T, TMetadataView>()
Type Parameters
- T
The type of the Export<T, TMetadataView> object to return. The contract name is also derived from this type parameter.
- TMetadataView
The type of the metadata view of the Export<T, TMetadataView> object to return.
Return Value
Type: System.Lazy<T, TMetadataView>
System.Lazy`2
Exceptions
| Exception | Condition |
|---|---|
| ImportCardinalityMismatchException | There are zero Export<T, TMetadataView> objects with the contract name derived from T in the CompositionContainer object. -or- There is more than one Export<T, TMetadataView> object with the contract name derived from T in the CompositionContainer object. |
| ObjectDisposedException | The CompositionContainer object has been disposed of. |
| InvalidOperationException | TMetadataView is not a valid metadata view type. |
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.