[Lasse]

I installed latest stable version 14.37 and 64-bit works.

[Lasse]

Use your megademo, just add 64-bit platform. That AV and call stack is from it.

[Lasse]

Here is the call stack.

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[Lasse]

Just installed the latest full source v.15.02 and Delphi version is 10.3.3. Windows 10 Build 18363.

Build and run for 64-bit megademo and it gives following AV (see attachment). 32-bit build works.

My own software gives similar AV. 32-bit version is working fine.

• This reply was modified 6 years ago by Lasse.
• This reply was modified 6 years ago by Lasse.
• This reply was modified 6 years ago by Lasse.

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[Lasse]

Solution is to add “overflow: hidden;” in the style for body.

[Lasse]

Actually, it works only, if there is a need for a scroll bar. So, there is a same problem what I have.

[Lasse]

Yes, your example code works. I need to figure out what is the difference.

[Lasse]

Ok, if your example code works, I will check it. I didn’t test it, my code is almost same.

[Lasse]

The issue is exactly same. I am dynamically loading the content like you did in your example code.

[Lasse]

That Bitmap property is empty in v15.00 beta…

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[Lasse]

Left side v14.36 and right side v15.00 beta. I just selected colors again.

• This reply was modified 6 years, 1 month ago by Lasse.

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[Lasse]

Oh, I just need to select colors again for the font items. No big deal. The color code is different in v15.00.

[Lasse]

I created a small demo with same kind of frames and it works. I will try to figure out what causes this.

[Lasse]

Delphi's common variable UseLatestCommonDialogs (in Vcl.Dialogs.pas) is True by default. So, it is not so wrong now but I understand that change of behaviour is not always a good thing…

[Lasse]

Well, it is a common variable, so it can be set in your program code.

[Lasse]

Oh, there is common variable acAllowLatestCommonDialogs in sDefaults.pas. By setting that to false, dialogs are fine.

[Lasse]

I noticed the same with save dialog…

[Lasse]

and the button must be TsButton, works only with TButton now…

[Lasse]

True, see the code, it tells what the problem is.

[Lasse]

Oh, that seems to be a bug in VirtualTree. Setting a property like that is not a good idea.

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