[Lazarus] Very strange errors when editing programs using Frames

[Donald Ziesig]

On 04/08/2015 05:01 PM, Mattias Gaertner wrote:
> On Wed, 08 Apr 2015 09:58:32 -0400
> Donald Ziesig <donald at ziesig.org> wrote:
>
>> [...]
>> (specifically changing *Position*),  the .lfm file for the FRAME
>> /occasionally/ gets an entry
>> for*Position*!  (sometimes *TabOrder*, too.).  I can't pinpoint exactly
>> the time at which
>> this extraneous data appears, but it doing a series of normal editing
>> operations such as
>> moving the windows, changing the properties of the MAIN or FRAME for a
>> few minutes
>> (but not changing the code) will definitely cause it to happen. Once it
>> does, the object
>> inspector for Frame1 has an entry for *Position* (and sometimes
>> *TabOrder*) which is not
>> present when a frame is first created.  After this appears, reloading
>> the Frame form
>> will /sometimes/ raise an exception in the IDE complaining about the
>> unknown property
>> for the Frame.
> Do you mean "Position" or "Left", "Top"?
Position as in poDesigned
> "TabOrder" is a normal TFrame property. It is set automatically by the
> LCL for all controls.
>
>   
This may be true, but one of the errors is an exception caused by an 
invalid property "TabOrder".
It doesn't happen frequently, but I have seen it more than once.
>> The intermittent (apparently) nature of this is puzzling.
>>
>> Subsequently, when I attempt to run the program, one of two possible
>> situations occur:
>>
>> 1.    Clicking on the button that displays the frame calls the code but
>> does not display
>>           the frame, or,
>> 2.    Clicking on the button raises an exception describing the
>> extraneous entry in the
>>           .lfm file.
>>
>> I haven't been able to figure out why one or the other happens, but for
>> any given
>> compilation the error remains the same.
>>
>> I have a simple app that demonstrates this problem if anyone would like
>> to try to
>> replicate my troubles ;-) .
> Please create a bug report.

Will do (as soon as I return to Windows ;-) ).
>
> Mattias
>
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