Returns the language-dependent programmatic identifier for the class or application that raised the error.
HRESULT GetSource( BSTR* pbstrSource );
[out] String that contains a programmatic identifier, in the form progname.objectname.
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
The method succeeded.
This method is used to determine the class or application where the exception occurred. The programmatic identifier may be returned in the language specified by the locale identifier (LCID) supplied at the time of invocation.
This method is not implemented.