hatky at users.sourceforge.net wrote: > Ok, one last line: > > strcpy(((char*)lpwh) + sizeof(WINHELP), lpHelpFile); I'm also not sure about the context here and it seems a little strange but what you would want to do here is probably: strcpyW((LPWSTR)((char*)lpwh + sizeof(WINHELP)), lpHelpFile); Rolf Kalbermatter