fev_set_handler   543 ext/win32ole/win32ole.c static VALUE fev_set_handler(VALUE self, VALUE val);
fev_set_handler  8247 ext/win32ole/win32ole.c     fev_set_handler(self, Qnil);
fev_set_handler  9163 ext/win32ole/win32ole.c     rb_define_method(cWIN32OLE_EVENT, "handler=", fev_set_handler, 1);