IDocHostUIHandler::GetExternal


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IDocHostUIHandler::GetExternal
HRESULT GetExternal(
    IDispatch **ppDispatch    
);
Called by IE4/MSHTML to obtain the host's IDispatch interface.
Returns S_OK if successful, or an OLE-defined error code otherwise.

ppDispatch
Address that receives the IDispatch interface pointer of the host application. If the host exposes an automation interface, it can provide a reference to IE4/MSHTML through this parameter. The contents of this parameter should always be initialized to NULL, even if the method fails.

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