ExtensionRegistrar<T, TMetadataView> Class

Lazy Mef Importer class that : 1. Imports parts that export the type T. 2. Ability to provide a filter.

Inheritance Hierarchy

System.Object
  Microsoft.VisualStudio.Modeling.ExtensionEnablement.ExtensionRegistrarBase<T, TMetadataView>
    Microsoft.VisualStudio.Modeling.ExtensionEnablement.ExtensionRegistrar<T, TMetadataView>
      Microsoft.VisualStudio.Modeling.Diagrams.ExtensionEnablement.GestureExtensionController
      Microsoft.VisualStudio.Modeling.Shell.ExtensionEnablement.CommandExtensionRegistrar

Namespace:  Microsoft.VisualStudio.Modeling.ExtensionEnablement
Assembly:  Microsoft.VisualStudio.Modeling.Sdk.10.0 (in Microsoft.VisualStudio.Modeling.Sdk.10.0.dll)

Syntax

'宣言
Public MustInherit Class ExtensionRegistrar(Of T, TMetadataView) _
    Inherits ExtensionRegistrarBase(Of T, TMetadataView)

public abstract class ExtensionRegistrar<T, TMetadataView> : ExtensionRegistrarBase<T, TMetadataView>

generic<typename T, typename TMetadataView>
public ref class ExtensionRegistrar abstract : public ExtensionRegistrarBase<T, TMetadataView>

[<AbstractClass>]
type ExtensionRegistrar<'T, 'TMetadataView> =  
    class
        inherit ExtensionRegistrarBase<'T, 'TMetadataView>
    end

JScript does not support generic types or methods.

Type Parameters

• T

• TMetadataView

The ExtensionRegistrar<T, TMetadataView> type exposes the following members.

Constructors

	Name	Description
	ExtensionRegistrar<T, TMetadataView>

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Properties

	Name	Description
	FilteredImports	(Inherited from ExtensionRegistrarBase<T, TMetadataView>.)
	LazyImports	(Inherited from ExtensionRegistrarBase<T, TMetadataView>.)
	Logger	Used to log exceptions/errors encountered by the registrar object. (Inherited from ExtensionRegistrarBase<T, TMetadataView>.)
	UnfilteredLazyImports	(Overrides ExtensionRegistrarBase<T, TMetadataView>.UnfilteredLazyImports.)

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Methods

	Name	Description
	CanImport	Determines if for a particular Lazy Import, the underlying exported object should be imported or not. The default implementation allows all imports. (Inherited from ExtensionRegistrarBase<T, TMetadataView>.)
	Compare	(Inherited from ExtensionRegistrarBase<T, TMetadataView>.)
	Equals	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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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.

See Also

Reference

Microsoft.VisualStudio.Modeling.ExtensionEnablement Namespace