[Lazarus] IDE unable to load form due to missing property

[Tony Whyman]

Open the problem form in the designer.

Ignore the missing property error and continue loading

Do something to change the form. e.g. move it

Save the form.

now re-compile

On 15/05/15 14:13, Graeme Geldenhuys wrote:
> Hi,
>
> I'm referring to this change.
>
> ========[svn r46263]==============
> commit 53ca8b6c866480b5accbaa24049e5485f840a03d
> Author: juha <juha at 4005530d-fff6-0310-9dd1-cebe43e6787f>
> Date:   Sat Sep 20 09:21:20 2014 +0000
>
>      LCL: remove unused TDateEdit.DialogTitle. Issue #1278
>
>      git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46263
> 4005530d-fff6-0310-9dd1-cebe43e6787f
> ======================
>
>
> Probably my limited use of LCL, but any idea what the error below means
> or how to resolve it? I now get a runtime error in my application when
> this specific form is being loaded.
>
> ==============================
> 2015-05-15 13:55:12 9504 Error Handled exception type "EReadError",
> message "Error reading EDatum.DialogTitle: Unknown property: "DialogTitle""
> ...snip...
> 2015-05-15 13:55:12 9504 Error Backtrace:   $00000000005F2246 line 86 of
> gui/frmberekendetoets.pp
> 2015-05-15 13:55:12 9504 Error Backtrace:   $00000000005FC1C4 line 1155
> of gui/frmpunten.pp
> 2015-05-15 13:55:12 9504 Error Backtrace:   $00000000005F8CAC line 282
> of gui/frmpunten.pp
> ==============================
>
>
> While in Lazarus IDE, I tried loading the form in question using the
> form designer, but then Lazarus gives me the following error:
> ==============================
> Stream=TBerekendeToetsForm: Root=:TBerekendeToetsForm
> Component Class: TDateEdit
> Error reading EDatum.DialogTitle: Unknown property: "DialogTitle"
> Stream position: 4096
> ==============================
>
> Selecting "Continue Loading" shows the form, but closing it and opening
> it, I get the same error again.
>
> I take it a previously known property doesn't exist any more? But how do
> I resolve this in my application and allow Lazarus IDE to load the form?
>
> I'm using Lazarus 1.5 r48959 FPC 2.6.4 x86_64-linux-gtk 2.
>
>
> Regards,
>    - Graeme -
>