TEltree : issue loading virtualized items.

Rascular Technology

My code (which loads and saves TElTree properties via the component streaming system) was getting an AV while reading tree items. The tree has VirtualityLevel set to vlTextAndStyles.

Tracing the code through, the crash seems to happen in TElTreeItem.ReadData, around line 12830

        Stream.ReadBuffer(SI, sizeof(TStyleInfo));

        with MainStyle do

        begin

          FCellBkColor := SI.FCellBkColor; // We crash here.

          FTextBkColor := SI.FTextBkColor;

The problem seems to be that MainStyle returns nil for virtualized items, and there's no check for this. I added the necessary test. (and moved the FFontName assignment within the block, and my code seems to now run correctly.

I was unable to duplicate the crash within the IDE, but I'm pretty sure this is the cause of my problem,

Victor_Bocharov

Hi, 

Thank you for this note. The issue is reproduced and is now fixed.

 

Victor_Bocharov

Sorry, changes were not commited. Now fix is uploaded to SVN

Rascular Technology

No change to SVN as far as I can see...?