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Content-type: text/plain
Dear BlackBox Users,
several weeks ago Mr. René A. Krywult posted a mail via the BlackBox list.
He suppose some improvement for progress bar and he decided to correct the
following problem:
> I needed a progress bar, and naturally, I found CtlsProgress.
> When I wanted to use it, however, I found out that CtlsProgress does not
get its
> information from a linked variable, but only when selected, via a kind of
property
> window. This seems an unnatural way to do it, since usually one wants to
demonstrate
> the progress of a long running command via a progress bar, and therefore
the link
> between program and progress view should be the usual variable - control
concept,
> and not dependant on user interaction (selecting a view).
Known bugs of his new implementations:
> 1. If you copy a progress bar, link and label properties are not copied,
but the values
> v.cur, v.min and v.max are copied, giving the erroneous impression that
the new progress
> bar is linked.
>
> 2. If there are more than 1 bars linked to the same variable, only one of
them is
> updated, if values change. This, I think, is due to the handling of the
UpdateMsg,
> which is consumed after reception, and therefore not passed on.
>
> 3. If v is not changed through a program, but through a field control,
then the
> progress bar is only updated after the field control is closed. I don't
know why,
> but I'll find out.
I redesign the module CtlsProgress completely. All above limitations does
not exist any longer. Now you link a integer variable to one or several
progress bars. You can copy the progress bar. All progress bars are updated
concurrently. You can use it as sliders too.
Today I uploaded the subsystem Ctls to CPC at www.zinnamturm.de .
Of course the improved version is for BlackBox 1.4 only. For all users of
BlackBox 1.3 I recommend to update BlackBox to 1.4. There are a lot of
improvements. It is really better. You save a lot of time and you need not
to translate CtlsProgress back to 1.3.
Regards
Helmut Zinn
P.S.: Thank you very much to Mr. René A. Krywult. Without his mail the new
version of CtlsProgress does not exist. Open Source is the best way to
improve the software.
--------------------------------------------
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Received on Mon Dec 08 2003 - 22:32:16 UTC