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confirm$ not working in ParactBASIC (2024-02-11 01:30 by toml12953 #747272)

A statement such as this

LET a$=confirm$("Any more to do?")

will wait for the user to click yes or no when executed in the interpreter. In the compiler, however, it flashes the message box so fast I can't read it and doesn't wait for a button press.

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Re: confirm$ not working in ParactBASIC (2024-02-11 08:12 by SHIRAISHI Kazuo #748379)

Reply To Message #747272

The confirmation dialog may hide itself behind another window.

> A statement such as this
>
> LET a$=confirm$("Any more to do?")
>
> will wait for the user to click yes or no when executed in the interpreter. In the compiler, however, it flashes the message box so fast I can't read it and doesn't wait for a button press.
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Re: confirm$ not working in ParactBASIC (2024-02-11 12:09 by toml12953 #748975)

Reply To Message #748379
> Reply To Message #747272
>
> The confirmation dialog may hide itself behind another window.
>
No, that's not what's happening. Try this. It should never end but it does:

540 LET a$=confirm$("Any more to do?")
545 GOTO 545
550 END
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Re: confirm$ not working in ParactBASIC (2024-02-11 17:19 by SHIRAISHI Kazuo #749845)

Reply To Message #748975
try
535 PRINT 535
540 LET a$=confirm$("Any more to do?")
545 PRINT 545
550 END

> Reply To Message #748379
> > Reply To Message #747272
> >
> > The confirmation dialog may hide itself behind another window.
> >
> No, that's not what's happening. Try this. It should never end but it does:
>
> 540 LET a$=confirm$("Any more to do?")
> 545 GOTO 545
> 550 END

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Re: confirm$ not working in ParactBASIC (2024-02-11 23:49 by toml12953 #750937)

Reply To Message #749845
> Reply To Message #748975
> try
> 535 PRINT 535
> 540 LET a$=confirm$("Any more to do?")
> 545 PRINT 545
> 550 END
>
First the output window appears. Next the confirm$ dialog box pops up
Then an error message pops up but all the windows and messages disappear before I can read anything.

All this happens too fast to read anything.
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Re: confirm$ not working in ParactBASIC (2024-02-11 23:49 by toml12953 #750938)

Reply To Message #749845
> Reply To Message #748975
> try
> 535 PRINT 535
> 540 LET a$=confirm$("Any more to do?")
> 545 PRINT 545
> 550 END
>
First the output window appears. Next the confirm$ dialog box pops up
Then an error message pops up but all the windows and messages disappear before I can read anything.

All this happens too fast to read anything.
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Re: confirm$ not working in ParactBASIC (2024-02-12 09:50 by SHIRAISHI Kazuo #752000)

Reply To Message #750938

I cannot reproduce the problem, but this problem suggests
Lazarus function MessageDlg might be not thread safe.
https://lazarus-ccr.sourceforge.io/docs/lcl/dialogs/messagedlg.html
https://stackoverflow.com/questions/26718030/delphi-application-hangs-while-showmessage-or-messagedlg



> Reply To Message #749845
> > Reply To Message #748975
> > try
> > 535 PRINT 535
> > 540 LET a$=confirm$("Any more to do?")
> > 545 PRINT 545
> > 550 END
> >
> First the output window appears. Next the confirm$ dialog box pops up
> Then an error message pops up but all the windows and messages disappear before I can read anything.
>
> All this happens too fast to read anything.

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Re: confirm$ not working in ParactBASIC (2024-02-12 13:47 by toml12953 #752314)

Reply To Message #752000
> Reply To Message #750938
>
> I cannot reproduce the problem, but this problem suggests
> Lazarus function MessageDlg might be not thread safe.
> https://lazarus-ccr.sourceforge.io/docs/lcl/dialogs/messagedlg.html
> https://stackoverflow.com/questions/26718030/delphi-application-hangs-while-showmessage-or-messagedlg

By running over and over in quick succession, i was able to read the error message:

Check synchronize called from non-main thread "$1D4C"

The hex number in quotes changes every time I run it. The second link you give above seems to explain it but I wonder
why it works for you.
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Re: confirm$ not working in ParactBASIC (2024-02-12 16:59 by SHIRAISHI Kazuo #752510)

Reply To Message #752314

Thanks for the infomation.
"Check synchronize called from non-main thread" means the problem lies in which
Lazarus function MessageDlg is invoked in working thread.


> Reply To Message #752000
> > Reply To Message #750938
> >
> > I cannot reproduce the problem, but this problem suggests
> > Lazarus function MessageDlg might be not thread safe.
> > https://lazarus-ccr.sourceforge.io/docs/lcl/dialogs/messagedlg.html
> > https://stackoverflow.com/questions/26718030/delphi-application-hangs-while-showmessage-or-messagedlg
>
> By running over and over in quick succession, i was able to read the error message:
>
> Check synchronize called from non-main thread "$1D4C"
>
> The hex number in quotes changes every time I run it. The second link you give above seems to explain it but I wonder
> why it works for you.

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Re: confirm$ not working in ParactBASIC (2024-02-13 11:26 by toml12953 #752958)

Reply To Message #752510
> Reply To Message #752314
>
> Thanks for the infomation.
> "Check synchronize called from non-main thread" means the problem lies in which
> Lazarus function MessageDlg is invoked in working thread.

I still wonder why you can run with no error but I can't. Is there a way to limit the number of threads ParactBASIC uses?
I've tried Lazarus 2.2.6 and 3.0 and both give the error. Have you turned off threads in Lazarus?
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Re: confirm$ not working in ParactBASIC (2024-02-13 12:11 by SHIRAISHI KAzuo #752959)

Reply To Message #752958
> Reply To Message #752510
> > Reply To Message #752314
> >
> > Thanks for the infomation.
> > "Check synchronize called from non-main thread" means the problem lies in which
> > Lazarus function MessageDlg is invoked in working thread.
>
> I still wonder why you can run with no error but I can't. Is there a way to limit the number of threads ParactBASIC uses?
> I've tried Lazarus 2.2.6 and 3.0 and both give the error. Have you turned off threads in Lazarus?

BASICAcc 1.2.1.3 Rev.1 and Paract BASIC 2.1.3.3 Rev.2 released.
https://hp.vector.co.jp/authors/VA008683/english/index.htm
I expect them to resolve the problem.
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Re: confirm$ not working in ParactBASIC (2024-02-14 05:31 by toml12953 #753009)

Reply To Message #752959

> BASICAcc 1.2.1.3 Rev.1 and Paract BASIC 2.1.3.3 Rev.2 released.
> https://hp.vector.co.jp/authors/VA008683/english/index.htm
> I expect them to resolve the problem.
>
Perfect! Thank you very much. You can be sure that if I find any other anomalies, I'll post them here.

Thanks again,

Tom Lake
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