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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for January 2nd, 2019

android – How to release a Firemonkey control properly, in this case a child form with a parent? – Stack Overflow

Posted by jpluimers on 2019/01/02

For my archive as [] TFmxObject.Release is deprecated since Delphi 10.2 Tokyo, and – worse – broken on some platforms: [WayBack] android – How to release a Firemonkey control properly, in this case a child form with a parent? – Stack Overflow

TFmxObject.Release uses TThread.ForceQueue internally, and that’s currently broken under Android (see discussion above).

As a workaround, a working cross-platform version for releasing an object from its event handler would be

procedure TForm.CloseBtnClick(Sender: TObject);
  Parent := nil;

Instead of Synchronize you can also use Queue in above method.

What is important to keep in mind is that you should not keep any other references to the control you are releasing or you may hit the trouble down the road.


[WayBack] What are the solutions for a wizard like application (a single form with content changed depending on some action) in Firemonkey?

I’ve been using TFormStand to have a single form and load frames dynamically, but have some AV in the stept when changing frames…. –

R Gosp – Google+


Posted in Delphi, Development, Software Development | Leave a Comment »

Reddit: parodies on O RLY Books

Posted by jpluimers on 2019/01/02

Many more “Essential Programming Guides” that are not in the O RLY Parody Book Generator for Slack are at [WayBack]  O RLY Books.

Related: [WayBack] generate (500×700)


Read the rest of this entry »

Posted in Development, Fun, Quotes, Software Development, T-Shirt quotes | Leave a Comment »

Google Search string for Delphi 2007 docs

Posted by jpluimers on 2019/01/02

These search the Delphi 2007 docs:

The second searches just English, and the first searches all languages.

Given the Google search indexing, the first might give a lot of Japanese search results:

I made a shortcut for the English one in Chrome:

Search engine definition
Search engine Delphi 2007 docs
Keyword d2007
URL with %s in place of query

I did the same for the docwiki (where you cannot distinguish between languages in a generic way for all Delphi versions, as the language comes after the Delphi version and the kind of documentation (CodeExamples, Libraries, etc.)):

Search engine definition
Search engine Docwiki (all EN/DE/FR/JP)
Keyword docwiki
URL with %s in place of query


  • It’s the earliest Delphi version having documentation on-line in HTML format.
  • The foundations of the RTL/VCL structure has not changed since then
  • The links can be archived in the WayBack machine and still look nice after archiving (no CSS fuzz that makes archived pages hard to read)


Posted in Delphi, Delphi 2007, Development, Software Development | 2 Comments »

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