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Call this method to register the interface pointer in the global interface table (GIT).

HRESULT Attach( 
   T* p  
) throw( ); 
HRESULT Attach( 
   DWORD dwCookie  
) throw( );


The interface pointer to be added to the GIT.


The cookie used to identify the interface pointer.

Returns S_OK on success, or an error HRESULT on failure.

In debug builds, an assertion error will occur if the GIT is not valid, or if the cookie is equal to NULL.

Header: atlbase.h

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