How to implement return Value of DispInterface ?

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#1732

From: readnews
Date: Wed, 16 Jun 1999 00:00

11 lines
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in the interface implementation,
if I write the following codes,I mean that if the 'SQL' is empty
then return false (1) else return ok,
but in the client,I always get result S_OK (0),why?

STDMETHODIMP TAImpl::SetQuerySQL(BSTR SQL)
{
  if (AnsiString(SQL)=="")
     return S_FALSE;
  return S_OK;
}

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Subject: How to implement return Value of DispInterface ?
Date: 1999/06/16
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