ExtensionManager.GetExtension<TInterfaceType> Method (ExtensionHandle)

Article
2012-11-05

Finds an extension in the current ExtensionManager of type IExtension and configuration as the object that is identified by the ExtensionHandle parameter value.

Namespace: Microsoft.Data.Schema.Extensibility
Assembly: Microsoft.Data.Schema (in Microsoft.Data.Schema.dll)

Syntax

'Declaration
Public Function GetExtension(Of TInterfaceType As {Class, IExtension}) ( _
    extensionHandle As ExtensionHandle _
) As ExtensionHandle(Of TInterfaceType)

public ExtensionHandle<TInterfaceType> GetExtension<TInterfaceType>(
    ExtensionHandle extensionHandle
)
where TInterfaceType : class, IExtension

public:
generic<typename TInterfaceType>
where TInterfaceType : ref class, IExtension
ExtensionHandle<TInterfaceType>^ GetExtension(
    ExtensionHandle^ extensionHandle
)

member GetExtension : 
        extensionHandle:ExtensionHandle -> ExtensionHandle<'TInterfaceType>  when 'TInterfaceType : not struct and IExtension

JScript does not support generic types or methods.

Type Parameters

TInterfaceType
A Type that inherits from IExtension.

Parameters

extensionHandle
Type: Microsoft.Data.Schema.Extensibility.ExtensionHandle
The ExtensionHandle<TInterfaceType> of an object of type IExtension to find.

Return Value

Type: Microsoft.Data.Schema.Extensibility.ExtensionHandle<TInterfaceType>
An ExtensionHandle<TInterfaceType> of the specified TInterfaceType that has been loaded.

Remarks

This method is used extension handles are deserialized. A deserialized ExtensionHandle<TInterfaceType> object must be passed to this method first before it is used.

If no matching ExtensionHandle<TInterfaceType> is found, the method returns nulla null reference (Nothing in Visual Basic).

.NET Framework Security

Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

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