VsShellUtilities::TryGetPackageExtensionPoint<TExtensionPoint, TInterface> Method (Guid, Guid)

Visual Studio 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.14.0 (in Microsoft.VisualStudio.Shell.14.0.dll)

Syntax

C++

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

Parameters

package: Type: System::Guid
The package that contains the instance.

instance: Type: System::Guid
The instance identifier for the requested extension point.

Return Value

Type: TInterface

The extension point.

Type Parameters

TExtensionPoint: The type of extension point

TInterface: The interface requested.

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 T:Microsoft.VisualStudio.Shell.Interop.VsPackageExtensionProvider interface, or the extension provider was created but it does not implement the TInterface interface.