VsShellUtilities.TryGetPackageExtensionPoint<TExtensionPoint, TInterface> Method

Artikel
04/29/2015

Creates an instance of an extension point from the given package. This is analagous to finding an "Export" of a given type (T) with the instance metadata given by the "instance" Guid.

Namespace: Microsoft.VisualStudio.Shell
Assembly: Microsoft.VisualStudio.Shell.12.0 (in Microsoft.VisualStudio.Shell.12.0.dll)

Syntax

'Declaration
Public Shared Function TryGetPackageExtensionPoint(Of TExtensionPoint As Class, TInterface As Class) ( _
    package As Guid, _
    instance As Guid _
) As TInterface

public static TInterface TryGetPackageExtensionPoint<TExtensionPoint, TInterface>(
    Guid package,
    Guid instance
)
where TExtensionPoint : class 
where TInterface : class

public:
generic<typename TExtensionPoint, typename TInterface>
where TExtensionPoint : ref class 
where TInterface : ref class 
static TInterface TryGetPackageExtensionPoint(
    Guid package, 
    Guid instance
)

static member TryGetPackageExtensionPoint : 
        package:Guid * 
        instance:Guid -> 'TInterface  when 'TExtensionPoint : not struct when 'TInterface : not struct

JScript does not support generic types or methods.

Type Parameters

TExtensionPoint
The type of extension point

TInterface
The interface requested.

Parameters

package
Type: Guid

The package that contains the instance.

instance
Type: Guid

The instance identifier for the requested extension point.

Return Value

Type: TInterface
The extension point.

Exceptions

Exception	Condition
ArgumentException	The extension point is not recognized by the package, or the package does not use attributes to declare any class that implements the extension.
InvalidCastException	The package does not implement the VsPackageExtensionProvider interface, or the extension provider was created but it does not implement the TInterface interface.

.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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