Recent questions tagged Delphi

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delphi - How do I use class helpers to access strict private members of a class?

This is a follow-up question to: How to hide a protected procedure of an object? (I'm a bit fuzzy on ... to access (strict) private members? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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832 views

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delphi - Are there any advantages in using const parameters with an ordinal type?

I know marking string parameters as const can make a huge performance difference, but what about ordinal types? ... ordinal parameters as const? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Appending one element to a dynamic array

This is a very frequent pattern throughout my code: SetLength(SomeDynamicArray, Length(SomeDynamicArray)+1); ... code as possible. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Where to store program settings instead of HKEY_LOCAL_MACHINE?

I have some program settings that are currently stored in HKEY_LOCAL_MACHINE. Due to Vista and locked down users, ... app written in Delphi. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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929 views

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delphi - XML parsing, TXMLDocument

I have a problem with parsing XML. How to get field values se_url and phrase? I need to get link1_1, link1_2, key1, ... </row> </data> </doc> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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987 views

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delphi - Convert Hi-Ansi chars to Ascii equivalent (é -> e)

Is there a routine available in Delphi 2007 to convert the characters in the high range of the ANSI table (>127) to ... (em dash) → - (hyphen) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Form is hidden behind other forms when ShowModal is called

My application is based on modal forms. Main form opens one form with ShowModal, this form opens another with ShowModal ... : I use Delphi 7. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - HTML Tag Parsing

How can I parse Name: & Value text from within the tag with DIHtmlParser? I tried doing it with TCLHtmlParser from ... "clear"></div></div> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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793 views

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delphi - Make Disabled Menu and Toolbar Images look better?

Please see the attached screenshot which illustrates a TToolBar from one of my programs: Notice the last two ... them if possible. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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744 views

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delphi - Undocumented intrinsic routines

Delphi has this list: Delphi Intrinsic Routines But that list is incomplete. What are the 7 undocumented intrinsic ... what is their purpose? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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724 views

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delphi - Best practice to do nested TRY / FINALLY statement

Hi What is the best way to do nested try & finally statements in delphi? var cds1 : TClientDataSet; cds2 : ... a better way of doing this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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855 views

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delphi - What are good uses for class helpers?

Delphi (and probably a lot of other languages) has class helpers. These provide a way to add extra methods to ... good uses for class helpers? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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852 views

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delphi html decode

I'm using Delphi 2009 and want to decode an HTML encoded string, for example: ' -> ' But cannot find ... for doing this. Thanks in advance See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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758 views

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delphi - How to declare two inter-linked classes?

I have a question similar to this, but in delphi. type TThreadPopulator = class(TThread) private _owner: ... is not applicable to delphi See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.8k views

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delphi - Resize PNG image

HI! Could you please tell me how to resize a .png image. Or better give an example. I've been searching ... image and keep its transparency. :( See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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879 views

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delphi - Force system with nVidia Optimus to use the real GPU for my application?

I want my application to always run using the real gpu on nVidia Optimus laptops. From "Enabling High ... variable seems much cleaner. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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835 views

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delphi - String.Split works strange when last value is empty

I'd like to split my string to array but it works bad when last "value" is empty. See my example ... = 4 (primitive workaround with space) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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delphi - How can I get the drive letter of an USB device?

I am using WMI to get all inserted USB disks manufactures names. The code works great but I have a problem ... this in a normal drive letter? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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delphi - Http Post with indy

I have a simple php script on my web server which I need to upload a file using HTTP POST, which I am doing in ... bind socket'); end; end; end; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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delphi - DecimalSeparator in SysUtils and System.SysUtils

I need to find DecimalSeparator var SysUtils Delphi 7, in Delphi XE6 i tried to find in System.SysUtils, but ... component of Delphi 7 to XE6 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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973 views

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delphi xe disable RTTI

i have use delphi xe recently but exe size is very big because of rtti(i think) howto remove rtti , and can i ... ; and what is the use of rtti See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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800 views

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delphi - Why are TGeneric<Base> and TGeneric<Descendant> incompatible types?

I have started using of generics in Delphi 2010 but I have a problem when compiling this piece of code: ... the compiler says this error? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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982 views

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delphi - How to translate (internationalize, localize) application?

I need to translate an application on delphi. Now all strings in interface on Russian. What are the ... people translate large applications? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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974 views

1 answer

delphi - How to retrieve cpu usage per process

There is a PerformanceCounter in .net platform, which can retrieve the cpu usage of every single process. ... processes are already available. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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918 views

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delphi - Faster DirectoryExists function?

I use DirectoryExists (const PathName : String); to check if a directory is reachable from a computer or not. But ... in kernel32)? Any ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

delphi - How to get line number at runtime

is it possible to get source line number at runtime in Delphi? I know JCL debug, but I want to avoid to use it ... , 'Error'); end; Thank you See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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805 views

1 answer

delphi - How to send command to console application from GUI application

I have a console application that I launch from a GUI applicaiton. The console application takes parameters for ... between gui and console See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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775 views

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delphi - Could not find system file when it actually exists

System can't find alg.exe but it does exist - "c:windowssystem32alg.exe". I've moved from Win 7 x86 to ... := xIS64 else RaiseLastOSError; end; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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