On 2015-11-29 23:31, André Hentschel wrote: > - pfQOP = &fQOP; Surely nobody would write that kind of dead assignment if there wasn't some intended function for it. I wonder if this was supposed to be: if (pfQOP) *pfQOP = fQOP; After all, the parameter is designated as _Out_ in MSDN. -- Lauri Kenttä