On Sat, 14 Nov 2009 17:31:07 +0000 Martin <[email protected]> wrote:
> Mattias Gaertner wrote: > > On Sat, 14 Nov 2009 17:27:07 +0200 > > ik <[email protected]> wrote: > > > > > >> Hello, > >> > >> I'm trying to explain desgin-time vs run-time packages, and it seems > >> that I don't really fully understand them myself. > >> Desgin time are packages that changes the IDE or adds components > >> etc... Run-time are used only when compiling the program itself. > >> > >> That much I understand (I hope). However, I can't install run-time > >> packages, so how does Lazarus knows about them ? > >> > > > > See > > http://wiki.lazarus.freepascal.org/Lazarus_Packages#Design_Time_vs_Run_Time_package > > > This link seems to assume that a package is always either design, or > runtime or both? Correct. > AFAIK: in delphi you can have the same package as onr runtime, and one > design time package. Same under lazarus. You can duplicate code and write any redundancy you like. But I don't recommend it. > That is you have TMyComponent. Instead of having any "if csDesigning in > ComponetFlags" you have a designtime package (containing your > component,with all tghe cdesign code, and maybe prop-editors or the > like) and you have your runtime package, that has the same component, > but without csdesign code. That's possible. But I have hardly seen such duplication. > Now yes: the ide only needs to know about the design package, in order > for you to put the component on your page. => but in this case the IDE > would add the design time package as package/unit requirements to your > project. And it should not. It should add the runtime package instead. Then the run time package "provides" the design time package (Package Editor / Options / Provides). > Maybe that is something that can be archive with build-modes? While > compilng the IDE, you use the design-time build mode. While compiling an > application you use the run-time build-mode. (The packages must have the > ppu for both build-modes in it's unit directory). Mattias -- _______________________________________________ Lazarus mailing list [email protected] http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
