Registers and retrieves an instance of a specified type defined in a specified class ID.

template<typename T>
inline HRESULT ActivateInstance(
   _In_ HSTRING activatableClassId,
   _Out_ Microsoft::WRL::Details::ComPtrRef<T> instance
);

T
A type to activate.

activatableClassId
The name of the class ID that defines parameter T.

instance
When this operation completes, a reference to an instance of T.

S_OK if successful; otherwise, an error HRESULT that indicates the cause of the error.

Header: client.h

Namespace: Windows::Foundation

Windows::Foundation Namespace