[Lazarus] High-DPI TImageList

[Werner Pamler]

Am 05.02.2018 um 19:45 schrieb Ondrej Pokorny via Lazarus:
> On 05.02.2018 14:07, Werner Pamler via Lazarus wrote:
>> The high-DPI imagelist adds a new entry to the lfm file, "BitmapAdv". 
>> Is this really absolutely necessary in all cases, for example if the 
>> imagelist contains only standard-resolution images? The problem is 
>> that once a form with an image list has been opened by Laz trunk it 
>> cannot be opened by Laz 1.8
>
> I just opened my image list example 
> (trunk\examples\imagelist_highdpi_designtime\) in Lazarus 1.6 without 
> any problems. I only had to skip some warning boxes:
>
>
>
> I hit on "Continue loading" every time and the project opened without 
> problems and no lost properties and I was able to compile and run it 
> (of course without the new high dpi features introduced in 1.9).
>
> => I cannot confirm that a 1.9 project using the high-dpi image list 
> cannot be opened in 1.8 and older. Just on the contrary - no problem 
> here, only one read error box have to be skipped.

Whenever I see this dialog I go crazy. I never know which button to 
press, there's a 67% chance to hit the wrong one. The labels texts are 
not descriptive at all. I am absolutely sure that a user less 
experienced than me will have the same issues and give up.

It really would be much better to not see this dialog.

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