Re: [Lazarus] Strange error with TValueListEditor

[Richard Mace]

On 31 March 2016 at 15:03, Bart  wrote:

> I see no real difference in the lfm structure (apart from the fact
> that the problematic one has   OnStringsChange =
> vle11TrunkPropertiesStringsChange, which sould not raise the error you
> mentioned)
>
> Does the form contain any other components that are NOT installed in
> the "minimal IDE"?
> I'm asking because in that case I will ot be able to load the form
> (especially if it has third-party controls).
>

​No, I'm pretty sure it doesn't​


>
> For testing purposes in priciple I only need the form
> (lfm+sourcecode), not the entire project. I don't need to compile it,
> jus be able to load the form.
> You can send it to my private email adress, I will treat is as
> copyrighted material.
>

​emailed the project to you privately.

Thanks​

Richard
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Re: [Lazarus] Strange error with TValueListEditor

[Bart]

I see no real difference in the lfm structure (apart from the fact
that the problematic one has   OnStringsChange =
vle11TrunkPropertiesStringsChange, which sould not raise the error you
mentioned)

Does the form contain any other components that are NOT installed in
the "minimal IDE"?
I'm asking because in that case I will ot be able to load the form
(especially if it has third-party controls).

For testing purposes in priciple I only need the form
(lfm+sourcecode), not the entire project. I don't need to compile it,
jus be able to load the form.
You can send it to my private email adress, I will treat is as
copyrighted material.

Bart

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Re: [Lazarus] Strange error with TValueListEditor

[Richard Mace]

On 31 March 2016 at 14:39, Bart  wrote:

> On 3/31/16, Richard Mace  wrote:
>
> > ​I've tested it in 1.6, in Ubuntu 14.04 and it comes up with the same
> > error.
>
> Strange indeed.
> Which fpc version?
>

​2.6.4 With Lazarus 1.4.4 and 3.0.0 with Lazarus 1.6​


> Can you attach the project (zipped source) here?
>

​It's not Open Source, but I don't mind emailing it to you personally​?


>
> If you start a new project with a TValueListEditor, save, quit
> Lazarus, restart: same problem?
>

​Nope, works fine.​


> If not: does the lfm look different?
>

​A bit:

  object ValueListEditor1: TValueListEditor
Left = 8
Height = 100
Top = 8
Width = 200
FixedCols = 0
RowCount = 2
TabOrder = 0
Strings.Strings = (
  ''
)
ColWidths = (
  64
  132
)
  end ​

​Thanks for your help

Richard​
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Re: [Lazarus] Strange error with TValueListEditor

[Bart]

On 3/31/16, Richard Mace  wrote:

> ​I've tested it in 1.6, in Ubuntu 14.04 and it comes up with the same
> error.

Strange indeed.
Which fpc version?
Can you attach the project (zipped source) here?

If you start a new project with a TValueListEditor, save, quit
Lazarus, restart: same problem?
If not: does the lfm look different?

Bart

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Re: [Lazarus] Strange error with TValueListEditor

[Richard Mace]

On 31 March 2016 at 13:41, Bart  wrote:

> On 3/31/16, Richard Mace  wrote:
>
> > Error: Identifier Strings is not published in class "TValueListStrings"
> and
> > it's highlighted a row that contains:
> > Strings.Strings = ('')
>
> Typically the Strings.Strings should be part of the TValueListEditor.
> There should be no TValueListStrings in the lfm.
>
> Here's anexample of an lfm with a TValueListEditor
>
>   object ValEd: TValueListEditor
> Left = 8
> Height = 188
> Top = 8
> Width = 350
> FixedCols = 0
> RowCount = 4
> TabOrder = 0
> OnPrepareCanvas = ValEdPrepareCanvas
> KeyOptions = [keyEdit, keyAdd]
> Options = [goFixedVertLine, goFixedHorzLine, goVertLine,
> goHorzLine, goColSizing, goEditing, goAutoAddRows, goAlwaysShowEditor,
> goThumbTracking]
> Strings.Strings = (
>   'a=b'
>   'c=d'
>   'e=f'
> )
> ColWidths = (
>   64
>   282
> )
>   end
>
> This is from my ValueListEditor test suite, and it loads without
> problems on Lazarus trunk and Lazarus 1.6 (32-bit on Win7-64).
>
> 1. Can you copy the relevant part of the lfm file and post it here?
>

​  object vle11TrunkProperties: TValueListEditor
Left = 13
Height = 288
Top = 51
Width = 496
FixedCols = 0
RowCount = 2
TabOrder = 1
Strings.Strings = (
  ''
)
OnStringsChange = vle11TrunkPropertiesStringsChange
ColWidths = (
  64
  432
)
  end
​
​The "Strings.Strings = ("​ line is what is highlighted with the error:
Identifier Strings is not published in class "TValueListStrings"



> 2. 1.4 series is old. Please update to 1.6
>

​I've tested it in 1.6, in Ubuntu 14.04 and it comes up with the same error.

Richard​
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Re: [Lazarus] Strange error with TValueListEditor

[Bart]

On 3/31/16, Richard Mace  wrote:

> Error: Identifier Strings is not published in class "TValueListStrings" and
> it's highlighted a row that contains:
> Strings.Strings = ('')

Typically the Strings.Strings should be part of the TValueListEditor.
There should be no TValueListStrings in the lfm.

Here's anexample of an lfm with a TValueListEditor

  object ValEd: TValueListEditor
Left = 8
Height = 188
Top = 8
Width = 350
FixedCols = 0
RowCount = 4
TabOrder = 0
OnPrepareCanvas = ValEdPrepareCanvas
KeyOptions = [keyEdit, keyAdd]
Options = [goFixedVertLine, goFixedHorzLine, goVertLine,
goHorzLine, goColSizing, goEditing, goAutoAddRows, goAlwaysShowEditor,
goThumbTracking]
Strings.Strings = (
  'a=b'
  'c=d'
  'e=f'
)
ColWidths = (
  64
  282
)
  end

This is from my ValueListEditor test suite, and it loads without
problems on Lazarus trunk and Lazarus 1.6 (32-bit on Win7-64).

1. Can you copy the relevant part of the lfm file and post it here?
2. 1.4 series is old. Please update to 1.6

Bart

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[Lazarus] Strange error with TValueListEditor

[Richard Mace]

Hi all,

I am getting the following error within Lazarus 1.4.4 On Windows 10 when
loading my project:

Fix LFM file:
Error: Identifier Strings is not published in class "TValueListStrings" and
it's highlighted a row that contains:
Strings.Strings = ('')

I have a button that says "Remove all invalid properties" and then I click
that, I then get
"Division by zero" with just a cancel button.

It then takes me to my main.lfm file and then that's it.
Every subsequent time I reload Lazarus, I get the same "Division by zero"
message and I can no longer view my form.

Any ideas please?

Thanks

Richard
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