On Wed, 08 Mar 2006 08:10:55 +0100
Marien van Westen <[EMAIL PROTECTED]> wrote:
> I observed a strange behaviour of Lazarus when I had installed the
>
> package PlotPanel:
>
> When I had made an application with PlotPanel it worked perfectly.
>
> Then I opened another project to work on and lateron I reopened the
> first program. Now all components were invisible except the plotpanel
> component.
> Well not quite invisible, the handles showed up when the mouse went over
> and the hints also showed. So the components are still there. At runtime
> everything is normal.
> This only applies to visible components. The Dialogs and Timers look
> normal.
>
> When placing a new component f.i. a button on the form everything was
> visible again.
> I used Plotpanel in Delphi without this problem for some time. So it
> should work on Lazarus.
>
> I saw this behaviour (invisible components that are still there, you can
> see the hints and handles of the components) in other situations like
> changing the class or cut and paste.
> The TAChart component doesn't have this effect and my approach of coding
> isn't fundamentally different (I think)
>
> I have no idea where to look for a solution
> Is there anyone who can say something on this subject?
The bug is known and on my top ten lazarus bugs. At least, I hope it is only
one.
It must be related to csDesigning + csLoading + Parent.HandleAllocated.
Mattias
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