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_com_ptr_t::GetActiveObject

  • Cikk

Microsoft Specific

Attaches to an existing instance of an object given a CLSID or ProgID.

HRESULT GetActiveObject( 
   const CLSID& rclsid  
) throw( ); 
HRESULT GetActiveObject( 
   LPCWSTR clsidString  
) throw( ); 
HRESULT GetActiveObject( 
   LPCSTR clsidStringA  
) throw( );

Parameters

  • rclsid
    The CLSID of an object.

  • clsidString
    A Unicode string that holds either a CLSID (starting with "{") or a ProgID.

  • clsidStringA
    A multibyte string, using the ANSI code page, that holds either a CLSID (starting with "{") or a ProgID.

Remarks

These member functions call GetActiveObject to retrieve a pointer to a running object that has been registered with OLE and then queries for this smart pointer's interface type. The resulting pointer is then encapsulated within this _com_ptr_t object. Release is called to decrement the reference count for the previously encapsulated pointer. This routine returns the HRESULT to indicate success or failure.

  • GetActiveObject( rclsid )   Attaches to an existing instance of an object given a CLSID.

  • GetActiveObject( clsidString )   Attaches to an existing instance of an object given a Unicode string that holds either a CLSID (starting with "{") or a ProgID.

  • GetActiveObject( clsidStringA )   Attaches to an existing instance of an object given a multibyte character string that holds either a CLSID (starting with "{") or a ProgID. Calls MultiByteToWideChar, which assumes that the string is in the ANSI code page rather than an OEM code page.

END Microsoft Specific

See Also

Reference

_com_ptr_t Class