Yes. Just as I said in my second post.
Qt Code: 
  1. TYPELIBS = $$system( dumpcpp Disto2.tlb -nometaobject )
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Had to use the -nometaobject because I got a error if I didn't. Then I include the header files produced. That is working ok I think.

The problem as I see it (might be totally wrong) is that my functions that I need to call returns a IDispatch* which I have no idea how to use. I want it to magically convert to a class defined in my type library called DistoMeasureProxy.