ExportProvider Class

Retrieves exports which match a specified ImportDefinition object.

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

Syntax

'Declaration
Public MustInherit Class ExportProvider
public abstract class ExportProvider

The ExportProvider type exposes the following members.

Constructors

  Name Description
Protected method ExportProvider Initializes a new instance of the ExportProvider class.

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Methods

  Name Description
Public method Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public method GetExport<T>() 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.
Public method GetExport<T>(String) Returns the export with the specified contract name. If there is not exactly one matching export, an exception is thrown.
Public method GetExport<T, TMetadataView>() 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.
Public method GetExport<T, TMetadataView>(String) Returns the export with the specified contract name. If there is not exactly one matching export, an exception is thrown.
Public method GetExportedValue<T>() 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.
Public method GetExportedValue<T>(String) Returns the exported object with the specified contract name. If there is not exactly one matching exported object, an exception is thrown.
Public method GetExportedValueOrDefault<T>() Gets the exported object with the contract name derived from the specified type parameter or the default value for the specified type, or throws an exception if there is more than one matching exported object.
Public method GetExportedValueOrDefault<T>(String) Gets the exported object with the specified contract name or the default value for the specified type, or throws an exception if there is more than one matching exported object.
Public method GetExportedValues<T>() Gets all the exported objects with the contract name derived from the specified type parameter.
Public method GetExportedValues<T>(String) Gets all the exported objects with the specified contract name.
Public method GetExports(ImportDefinition) Gets all exports that match the conditions of the specified import definition.
Public method GetExports(ImportDefinition, AtomicComposition) Gets all exports that match the conditions of the specified import definition and composition.
Public method GetExports(Type, Type, String) Gets all the exports with the specified contract name.
Public method GetExports<T>() Gets all the exports with the contract name derived from the specified type parameter.
Public method GetExports<T>(String) Gets all the exports with the specified contract name.
Public method GetExports<T, TMetadataView>() Gets all the exports with the contract name derived from the specified type parameter.
Public method GetExports<T, TMetadataView>(String) Gets all the exports with the specified contract name.
Protected method GetExportsCore Gets all the exports that match the constraint defined by the specified definition.
Public method GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public method GetType Gets the Type of the current instance. (Inherited from Object.)
Protected method MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Protected method OnExportsChanged Raises the ExportsChanged event.
Protected method OnExportsChanging Raises the ExportsChanging event.
Public method ToString Returns a string that represents the current object. (Inherited from Object.)
Public method TryGetExports Gets all the exports that match the conditions of the specified import.

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Events

  Name Description
Public event ExportsChanged Occurs when the exports in the ExportProvider change.
Public event ExportsChanging Occurs when the provided exports are changing.

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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.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.