[interface-discuss] UNO/C++ help with dispatching .uno:CompareDocuments

[Pitrich, Karl]

Hi all,

[sorry for the crosspost, i'm unsure where my
question belongs to]

From C++ code, i'm tyring to load a document, then invoke
".uno:CompareDocuments" with a second file, hoping that OOo opens a
frame with the document compare view in place. (without any neccessary
user interaction)

googling and searching OOo Forums for a whole day yielded no results,
so i hope someone can guide me at least where to find according
documentation. I was unable figure out which parameters the dispatch
call needs from the API docs.

attached is the code i got so far, it just loads the first document and 
errors with 'called with invalid parameters' for the dispatch.


any hints appreciated,

TIA,

 / karl



/*
#define Ascii2OU(value) OUString::createFromAscii((const char *) value)
#define OU2Ascii(value) OUStringToOString(value, RTL_TEXTENCODING_ASCII_US).getStr()
*/

bool OpenOfficeClientImp::compareDocuments(const char *doc1, const char *doc2)
{
  bool rc = false;


  try {
    Reference<XDesktop> desk(m_servicefactory->createInstance(Ascii2OU("com.sun.star.frame.Desktop")), UNO_QUERY);
    Reference<XComponentLoader> loader(desk, UNO_QUERY);

    Sequence<PropertyValue> loadproperties(2);
    loadproperties[0].Name = Ascii2OU("Hidden");
    loadproperties[0].Value <<= sal_False;
    loadproperties[1].Name = Ascii2OU("Silent");
    loadproperties[1].Value <<= sal_True;

    Reference<XComponent> comp = loader->loadComponentFromURL(Ascii2OU(doc1), Ascii2OU("_blank"), 0, loadproperties);

    Reference<XDispatchHelper> disphlp(m_servicefactory->createInstance(Ascii2OU("com.sun.star.frame.DispatchHelper")), UNO_QUERY); 

    Reference<XDispatchProvider> currentframe(desk->getCurrentFrame(), UNO_QUERY);

    Sequence<PropertyValue> xprops(2);
    xprops[0].Name = Ascii2OU("CompareDocuments");
    xprops[0].Value <<= sal_True;
    
    xprops[1].Name = OUString( RTL_CONSTASCII_USTRINGPARAM("FileName") );
    xprops[1].Value <<= Ascii2OU(doc2);
   
    disphlp->executeDispatch(currentframe, Ascii2OU(".uno:CompareDocuments"), Ascii2OU(""), 0, xprops);
   
  }
  catch (Exception &e) {
    TRACE("OpenOfficeClientImp::compareDocuments: Error: %s", OU2Ascii(e.Message));
    return false;
  }
  catch (char *finally) {
    TRACE("OpenOfficeClientImp::compareDocuments: Error: Unspecified Error %s", finally);
    return false;
  }
  
  return rc;
}
  

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