Microsoft Windows CE 3.0  


This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.

Returns a pointer to a specified interface on a component to which a client currently holds an interface pointer. This method must use IUnknown::AddRefon the pointer it returns.

HRESULT QueryInterface( REFIID
void **


[in] Specifies the IID of the interface being requested.
[out] Receives a pointer to an interface pointer to the object on return. If the interface specified in iidis not supported by the object, ppvObjectis set to NULL.

Return Values

Returns S_OK if the interface is supported, S_FALSE if not.