| Microsoft DirectX 9.0 |
Retrieves an interface pointer and increments the reference count. This method implements the INonDelegatingUnknown::NonDelegatingQueryInterface method.
Syntax
HRESULT NonDelegatingQueryInterface(
REFIID riid,
void **ppv
);
Parameters
riid
Identifier of the interface.
ppv
Address of a pointer to receive the interface.
Return Value
Returns one of the HRESULT values shown in the following table.
| Value | Description |
| S_OK | Success. |
| E_NOINTERFACE | Object does not support this interface. |
| E_POINTER | NULL pointer argument. |
Remarks
The CUnknown class exposes only the IUknown interface. Override this method to expose additional interfaces. For information on how to override this method, see How to Implement IUnknown.
See Also