The Wiert Corner – irregular stream of stuff

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

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Archive for the ‘Delphi’ Category

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Delphi: IOTASourceEditor uses UTF8, so conversions are needed to/from regular strings

Posted by jpluimers on 2019/11/27

Some important points from [WayBack] Go straight to JAIL! DO NOT Pass GO! DO NOT Collect £200 – Dave’s Development Blog.

The most important one is that the IOTASourceEditor (which is hardly documented in the docwiki) uses UTF8, so conversions are needed to/from regular strings.

The other is that by now any Unicode letter can be used as part of an Object Pascal identifiers so if you match, you need to take that into account.

Note that in practice using non-ASCII Unicode letters still fails with a lot of tooling (not just limited to Object Pascal), so be careful with those.

–jeroen

via: [WayBack] Go straight to JAIL! DO NOT Pass GO! DO NOT Collect £200  – David Hoyle – Google+

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

GitHub – NickRing/Delphi-Shortcut-Finder: Shows/find keyboard short-cuts have be assigned, that may be conflicting.

Posted by jpluimers on 2019/11/26

Cool tool: [WayBack] GitHub – NickRing/Delphi-Shortcut-Finder: Shows/find keyboard short-cuts have be assigned, that may be conflicting.

Via: [WayBack] I need some help from anyone who knows RTTI better than me. I’m writing an OTA tool to list all the actions or keybindings that are associated with a s… – David Hoyle – Google+

David has an excellent series of blog posts on writing experts around his tool [WayBack] IDE Explorer – Dave’s Development Blog.

–jeroen

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

Scopes and names can really be deceiving. A classes in a hierarchy can have members with identical names…

Posted by jpluimers on 2019/11/21

Examples like the one below from [WayBack] Scopes and names can really be deceiving. A root class and a descendant class can both have public fields, properties and methods with the same name… – Lars Fosdal – Google+ used to be part of the “language day” during my 5 day Delphi introductory courses.

Maybe I should find back more of those from the days, brush them up a little, then post them in a repository.

The thread has some nice references to tools that give better warnings and comparisons with other languages.

Anyone wanting to assist with that?

Example code

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

Any idea what exactly mean …licensed to test ??? My Delphi is…

Posted by jpluimers on 2019/11/20

Your Delphi “licensed to” might be totally different from what it is actually licensed to.

From [WayBack] Hello people, any idea what exactly mean …licensed to test ??? My Delphi is registered with a valid account, subscription, serial number and so on. – Dobrin Petkov – Google+, at least these sources might be used different from the actual licensee name:

  • the VLAN name
  • the Windows username of the one that installed it
  • the Windows licensee

–jeroen

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

[Delphi] Delphi JSON Reformatter (text or html output) – Pastebin.com

Posted by jpluimers on 2019/11/19

I might need this in the future from Delphi: [WayBack] [Delphi] Delphi JSON Reformatter (text or html output) – Pastebin.com

Via [WayBack] I wrote a function to make JSON more readable, and naturally I wonder if I missed something crucial so that it eventually will break? There are probabl… – Lars Fosdal – Google+

–jeroen

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

ÜberPDF printing using a Delphi like canvas

Posted by jpluimers on 2019/11/15

For my link archive, as it has a lot of goodies in the comments, especially on how to avoid bitmaps in PDF emission: [WayBack] We took PDF to a whole new level today Load create, or editing a PDF in 2 lines of code using a simple Delphi (like) Canvas! We added a PDFPrinter and… – Joe C. Hecht – Google+

–jeroen

Posted in Delphi, Development, EPS/PostScript, PDF, Software Development | Leave a Comment »

TTreeView: when HideSelection=True, use SetFocus() to update the current Selected state

Posted by jpluimers on 2019/11/14

Reminder to self: corner case, but sometimes useful. [WayBack] EDIT: Answered. The TTreeView.HideSelection was set to TRUE, so you needed TTreeView.SetFocus() to reflect in the UI the current state of TTreeView.sele… – Vin Colgin – Google+

–jeroen

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

Links to alternatives for Delphi REST clients

Posted by jpluimers on 2019/11/13

A few good links to a few alternatives for the built in Delphi REST client [WayBack] Hi looking for good and complete tutorial/course how to create RESTFul services with Delphi. Or if anyone use Delphi for creating RESTFul services feedb… – Gordan Paunovic – Google+

–jeroen

Posted in Communications Development, Delphi, Development, HTTP, Internet protocol suite, JSON, REST, Software Development, TCP | Leave a Comment »

A multi index container: TIndexedStore – Martin C Harvey’s Software Pages

Posted by jpluimers on 2019/11/13

For single-indexed containers, you can use a generic TDictionary, for instance one of these:

Reminder to self: check out if there is a generic version of [WayBack] A multi index container: TIndexedStore – Martin C Harvey’s Software Pages anywhere.

Edit 20191220 (thanks Thaddy!) article moved to [WayBack] A multi index container: TIndexedStore – Martin C Harvey’s Pages.

For instance as part of:

The original library has source code in a [WayBack] zip file.

Edit 20191220 (thanks Thaddy!) download moved to [WayBack] IndexedStore.zip.

I got there via:

–jeroen

Posted in Delphi, Development, Software Development | 5 Comments »

Links to debugging COM stuff for Office Automation in Delphi

Posted by jpluimers on 2019/11/12

From a long time ago, but recently I needed them again.

Note the .NET side is much much harder Revisited from the .NET side: Why doesn’t WINWORD.EXE quit after Closing the document from Delphi? (via: Stack Overflow).

[WayBack] Why doesn’t WINWORD.EXE quit after Closing the document from Delphi? – Stack Overflow

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Posted in Delphi, Development, Office Automation, Software Development | 2 Comments »

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