Store objects in TCustomSynEdit.fLines.Objects[]

[Pascal]

How go i get notified before deletion of lines in TCustomSynEdit.fLines?
I have stored own objects in TCustomSynEdit.fLines.Objects[] and i would like to destroy them before
the reference to them gets lost.

[Thaddy]

Isn't that automatically? If FLines is a TStringlist then you can set Flines.OwnsObjects to true;
May or may not work I have not much experience with SynEdit.

Hm. Does not work, because:
Strange design: Objects property is introduced in TStrings, but OwnsObjects is introduced in TStringlist.
And FLines is a TStrings descendant.
So bad luck.. Or file a bug report against TStrings 

[Martin_fr]

Unfortunately the only notification that SynEdit has, is after the line was deleted: senrLineCount

If it is edited by a user (via keystrokes), or if it is any "ecCommand" (SynEdit.CommandProcessor), then there is a "senrEditAction" for each line, that will tell delete all content from that line (but that does happen for other actions too).
And the "senrEditAction" is not sent for SynEdit.Lines.delete()

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You can register a managed list like the fold highlighter does for ranges.

Search for RangeList in fold highlighter, create your own list (by subclassing the same base class)

[Martin_fr]

Or write a patch, and submit on our bugtracker

So synedit lines get property OwnObjets, and destroy them if lines are cleared...

[Pascal]

You can register a managed list like the fold highlighter does for ranges.

Search for RangeList in fold highlighter, create your own list (by subclassing the same base class)

I have the same Problem with my descendant from fold highlighter: Not all of my objects are destroyed.

I think i will write a patch which adds OwnsObjects.
Thanks so far.