Michael Van Canneyt <mich...@freepascal.org> schrieb am So., 13. Juni 2021, 13:53:
> > > On Sun, 13 Jun 2021, Sven Barth via lazarus wrote: > > > Am 11.06.2021 um 23:48 schrieb Juha Manninen via lazarus: > >> Regarding issue : https://bugs.freepascal.org/view.php?id=28450 > >> <https://bugs.freepascal.org/view.php?id=28450> > >> > >> The parameter passed to function RegisterComponents() is > TComponentClass > >> which means "class of TComponent". It is only type information and does > not > >> carry information about sub-components. > >> Could somebody please explain how it works in Delphi. Does this really > work > >> : > >> RegisterComponents('Sample', [TMyFrame]); > > > > Yes, it does work this way. I don't know what you mean with "information > > about sub-components". The VMT vFieldTable entry contains all published > > fields of the class and thus all the sub controls that are visible > through > > the RTTI and thus for the designer. If the IDE does not use that yet, > then it > > definitly should. > > > >> I added a comment to the report but it is old and the reporter may not > read > >> it. > >> Maybe there should be a new function RegisterFrame() or similar? > > > > There is no need to add anything, because the necessary information is > > already there. It's just that the IDE doesn't use it yet. > > In Delphi, the above also does not work, you need special handling for > frames, just as for forms. > You think I didn't test it before writing? I created a frame, added it to a package, added a Register procedure, installed the package, started a new VCL application and added that frame to the form from the component palette. I had added a button and a combo box and both were visible in the designer. Or did I miss something here? Regards, Sven >
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