functionID3 :: DISPID
            -> [VarIn]
            -> ArgOut a1 -> ArgOut a2 -> ArgOut a3
            -> IDispatch i
            -> IO (a1,a2,a3)
functionID3 dispid args (varin1,argres1) (varin2,argres2)
                        (varin3,argres3) obj = do
   p <- obj # invokeFunction dispid args [varin1,varin2,varin3]
   unmarshallVariants3 argres1 argres2 argres3 p
functionID3 :: DISPID
            -> [VarIn]
            -> ArgOut a1 -> ArgOut a2 -> ArgOut a3
            -> IDispatch i
            -> IO (a1,a2,a3)
functionID3 dispid args (varin1,argres1) (varin2,argres2)
                        (varin3,argres3) obj = do
   p <- obj # invokeFunction dispid args [varin1,varin2,varin3]
   unmarshallVariants3 argres1 argres2 argres3 p
functionID3 dispid args (varin1,argres1) (varin2,argres2)
                        (varin3,argres3) obj = do
   p <- obj # invokeFunction dispid args [varin1,varin2,varin3]
   unmarshallVariants3 argres1 argres2 argres3 p