On Sun, 23 Dec 2007, Martin Schreiber wrote:
> Hi, > > Michael Van Canneyt marked my bugreport 10465 with "won't fix", I would like > to discuss the issue in a broader forum. > With fixes_2_2 rev. 9006 FPC does not stream published component properties > where the component has CsSubComponent set if the property component is not > owned by the streamed component. > Delphi streams CsSubComponent properties independent of ownership. > Caused by this change some properties of MSEgui components will be deleted if > MSEide is compiled with fixes_2_2 >= rev 9006, the users will loose data. > Sometimes I use in MSEgui components as worker objects in other components > which should behave as simple TPersistent descendants and not be integrated > in the ownership system. I achieve the wanted behaviour by creating them with > a NIL AOwner parameter. > An example is tsocketclientiochannel where I use a tifisocketclient component > with CsSubComponent set in order to implement the socket functionality and to > allow the user to do the socket settings by the object inspector of MSEide. > Michaels change now forbid this method although it is completely legal in > Delphi. > > Now I have several possibilities: > > 1. I can accept Michaels verdict and surrender to use my programming method > and rewrite the affected MSEgui pieces and introduce an incompatibility with > current MSEgui projects. There is no incompatibility: Just replace the Nil with the owner. Your code will function as it was. The Owner-Owned relation is in no other location used during streaming, so you should not worry about that. Michael. _______________________________________________ fpc-devel maillist - [email protected] http://lists.freepascal.org/mailman/listinfo/fpc-devel
