AsyncIUnknown

Asynchronous version of IUnknown.

Note: This interface is poorly documented by Microsoft, but you generally want a ICallFactory to actually do these calls.

@Guid!("000e0000-0000-0000-C000-000000000046")

interface AsyncIUnknown : IUnknown {

HRESULT Begin_QueryInterface(IID riid);

HRESULT Finish_QueryInterface(void* ppvObject);

HRESULT Begin_AddRef();

uint Finish_AddRef();

HRESULT Begin_Release();

uint Finish_Release();

}

Members

Functions

Begin_AddRef HRESULT Begin_AddRef(): Begins incrementing the reference count for an interface pointer to a COM object.
Begin_QueryInterface HRESULT Begin_QueryInterface(IID riid): Begins to query a COM object for a pointer to one of its interface.
Begin_Release HRESULT Begin_Release(): Begins decrementing the reference count for an interface on a COM object.
Finish_AddRef uint Finish_AddRef(): Finishes incrementing the reference count for an interface pointer to a COM object.
Finish_QueryInterface HRESULT Finish_QueryInterface(void* ppvObject): Finishes querying a COM object for a pointer to one of its interface.
Finish_Release uint Finish_Release(): Finishes decrementing the reference count for an interface on a COM object.

Inherited Members

From IUnknown

iid IID iid;: Helper type for getting the GUID of IUnknown.
QueryInterface HRESULT QueryInterface(const(IID)* riid, void* ppvObject): Queries a COM object for a pointer to one of its interface.
QueryInterface
HRESULT QueryInterface(T** pvObject): A helper function that infers an interface identifier.
AddRef uint AddRef(): Increments the reference count for an interface pointer to a COM object.
Release uint Release(): Decrements the reference count for an interface on a COM object.

See Also

https://devblogs.microsoft.com/oldnewthing/20220214-44/?p=106251

Meta

Source

See Implementation

nulib system com unk aliases

interfaces