And just to get further started (somebody having an IDL to AutoIT converter?) Download deviare com stuff from https://github.com/nektra/deviare2 Its not working as the hook is a pointer to an com object and IDL tag definitions needs to be created (see objCreateInterface documentation and AutoITObject) ;'Late binding AutoIt example ; Download deviare com stuff from ; https://github.com/nektra/deviare2 ;TODO: DeviareCOM.idl ;http://www.nektra.com/products/deviare-api-hook