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 or older any more without an error message
and the need to remove this new entry. In particular, this is an
issue for third-party components where the author must be very careful
to save demo forms with Laz 1.8, not with trunk.
I remember I had the same argument with the addition of
"Application.Scaled := true" to the lpr file, but here portability
could kept by putting it into an {$if lclversion >= 1090000}
directive. In the lfm files, however, such directives are not allowed.
No, it's not needed if no extra resolutions are stored. I'll check if it
can be omitted (it's a manually added entry and not a normal property).
If not, I'll add an ignore entry for 1.8.2.
Ondrej
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