VsShellUtilities.TryGetPackageExtensionPoint<TExtensionPoint, TInterface> Method
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: GuidThe package that contains the instance.
instance
Type: GuidThe 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.