I installed 64-bit Lazarus and want to generate 32-bit code. When I try to set Target OS to Win32 I get error message Compiler "C:\Programs\lazarus\fpc\2.6.0\bin\x86_64-win64\fpc.exe" does not ...

Need some help in creating function which can create folders recursively with giving path: C:\TestFolder\Another\AndAnother Delphi function MkDir returning IOerror = 3. MkDir('C:\TestFolder\Ano...

Any suggestions for components to use as a base for a scalable TCP server? I currently have an implementation that uses Indy which works well for say 100 relatively active connections or 1,000 rela...

I'm trying to build 3 packages, A, B and C. A defines some base classes that are used in B and C. I've got all 3 of them in the same project group, all set up to output to the same custom BPL outpu...

I try to include resource files in my package. When I construct the package, I read this warning : [dcc32 Conseil] H2161 Warning: Duplicate resource: Type 10 (RCDATA), ID PLUSUTILISEVOIR; File Pro...

I am using TStopWatch for high-precision timekeeping in Delphi 10.2 Tokyo. This website: https://www.thoughtco.com/accurately-measure-elapsed-time-1058453 has given the following example: var s...

Got this error whenever I try to compile something: "F1027 Unit not found: 'System.pas' or binary equivalents (.dcu)". Got it after installing a component, removed it, reinstalled RAD studio, but ...

I have set up the PAserver that was located at: C:\Program Files (x86)\Embarcadero\Studio\19.0\PAServer\LinuxPAServer19.0.tar.gz on my Ubuntu Gnome 16.10 vm. Please note that I have never used the...

I've got an application where there's a main background form, from there user can only non-modal forms that maintains different part of the system. The non-modal forms overrides the CreateParams me...

We had the following code prior to Delphi 2009: function MemoryStreamToString(M : TMemoryStream): String; var NewCapacity: Longint; begin if (M.Size = > 0) or (M.Memory = nil) then Result:= ...

Recently, I get this error, and all Delphi-related project/file creation items are missing: The project can not be loaded because the required personality Delphi.Personality is not available.. Wh...

How do i tell if one instance of my program is running? I thought I could do this with a data file but it would just be messy :( I want to do this as I only want 1 instance to ever be open at one ...

This is an IDE question. When I select a New -> Multi-Device Application project for C++Builder, only Windows 32-bit and Windows 64-bit compilation options for target platforms are available. H...

I am using TIdSSLIOHandlerSocketOpenSSL to open a TLS/SSL connection. I currently want to support tls 1.0 to 1.2. I initialize the IOHandler like this. TIdSSLIOHandlerSocketOpenSSL(FSocket.IOHand...

Does anyone know where I could download Russell Libby's named pipes components? All the links I can find point to http://home.roadrunner.com/~rllibby/source.html Which is no longer alive. HMcG

I have an application which uses conditionals to be able to compile it either as a VCL Forms Application or as a Windows Service Application in Delphi XE2. However, since I have manually altered th...

What is the equivalent in C# for Delphi's in syntax, like: if (iIntVar in [2,96]) then begin //some code end; Thanks

Everyone probably knows what I mean, but to clarify the control would need to: Fire an event when user edits the text. The event would provide a SuggestionList: TStrings which you could fill with...

In delphi XE, when I call SysUtils DirectoryExists function with the following input 'Y:\blabla\' where Y is a network mapped unit, it correctly returns false because blabla doesnt exist. But wh...

I am creating a form where there are icons- like on desktop and they can be moved freely. I want to show sometimes even 500 or more icons so they need to work fast. My icon is: TMyIcon = class(...

Can I write SQL queries using DELPHI, dbgo DB components and a SQL Server database server which are limited in respect to the process time ? Like select * from table where ...... and process...

I'm using Delphi XE7 for developing windows 32 bit application. My application contains many units, which has an initialization section. I need to initialize one particular initialization section...

There is an example which illustrates my question: procedure Test; begin try ShowMessage('1'); raise EWarning.Create(12345, 'Warning: something is happens!'); ShowMessage('2'); except on E:...

Is there a way to debug completely a windows service with Delphi?

In my efforts to properly handle DPI changes in my application, I am using the following code to read the current scaling factor: TYPE TZoom = BYTE; FUNCTION OldStyleGetDpiForSystem : TZoom; cdec...