By Marco Cantu
Delphi 2009 instruction manual КНИГИ ; ПРОГРАММИНГ Delphi 2009 guide via Marco CantuPublisher: Wintech Italia Srl, Italy 2008 | 401 Pages | ISBN: no longer Assigned | PDF | four MBThis is a booklet approximately CodeGear Delphi 2009.You will not locate an advent to Delphi programming, its item Pascal language or its visible part Library in it. during this booklet you could learn in simple terms approximately new beneficial properties of Delphi 2009 for Win32 in every one of those components. The ebook covers Delphi 2009 Unicode aid, the hot language positive factors (such as generics and nameless methods), the advancements of the IDE, the hot sessions of the Run Time Library, the hot parts of the VCL (including the Ribbon control), and the extensions to the database structure and the DataSnap multi-tier technology.As traditional for my books, i am masking the speculation but additionally displaying you dozens of examples, you could obtain and play with in your machine. when you nonetheless do not personal Delphi 2009, you could obtain the trial model and likewise examine the particular courses in motion in a chain of movies associated from the net web page: http://www.marcocantu.com/dh2009/videos.htmlUploadingDepositfilesUploadbox zero 1 2 three four five
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Extra resources for Delphi 2009 Handbook
That's why I've added to the UnicodeMap program the ability to pick a different font (something achieved by double clicking on the grid). You can find more information about this issue in the section “Unicode and Fonts and APIs” later in this chapter. Unicode Code Point Descriptions On the Unicode Consortium web site, you can find a lot of information, including a text file with a written description of a large number of code points (most of them excluding the unified ideographs for Chinese, Japanese, and Korean).
The problem, though is that if the program spends any time painting the caption over and over, its results will be totally modified. These two tests are probably not very pertinent. I should have tried with many more other API calls to be able to make a definitive statement, but this proves that by moving to Unicode you can have a similar or slightly improved speed in the API calls. You don't gain a lot (at least while using non-Unicode characters), but you don't incur any extra overhead either18.
Marco Cantù, Delphi 2009 Handbook 30 - Chapter 1: What is Unicode? AddChildObject ( topNode, 'Surrogate Code Points', Pointer (J)); end; end; end; end; // helper function function GetCharDescr (nChar: Integer): string; begin if nChar < 32 then Result := 'Char #' + IntToStr (nChar) + ' [ else Result := 'Char #' + IntToStr (nChar) + ' [' + Char (nChar) + ']'; end; Marco Cantù, Delphi 2009 Handbook ]' Chapter 1: What is Unicode? - 31 As you can see in the code above, every node of the TreeView gets the number with its page number or starting position as its data field (generally a pointer).