I am writing a set of routines to print my visual component (TStringGrid descendant) with an ability to see its print preview. The preview is done using TPaintBox. I want that drawing utilized my ...

After installing Windows 11 Update 24H2, I have not been able to work with a COM Library developed with C# and accessed from Delphi. The failure occurs when I do a Where filter using a numeric ...

In Delphi XE7, I'm saving content of a TWebBrowser to a local HTML file: function WB_SaveAs_HTML(WB:TWebBrowser; const FileName : string):boolean; var PersistStream: IPersistStreamInit; Stream: ...

I want to know the field definitions (field names, types, and sizes) for a group of PostgreSQL (it seems the database type does not really matter, it could be Oracle or SQL Server) tables using ...

Regular service written in Delphi XE7 (windows 10 22H2). In OnStart Event I create some objects, I read inifile etc. StartType = stAuto. Windows service set up: automatically. When my service state is:...

I need to increase the font size of my menus (TMainMenu, TPopupMenu) and I cannot figure out how to do it correctly. I thought I don't need to draw the menu items completely, so I just assigned ...

I use THTTPRIO in Delphi XE7 to get data from a SOAP server. I try the request with SoapUI without a problem. POST /ClientServices/ClientServPort.svc HTTP/1.1 Accept-Encoding: gzip,deflate Content-...

I'm searching for a bug in a big legacy product. The end user only reports a program crash (no error messages). When I start the program with attached debugger I get this: Im Projekt XXXXX.exe ist ...

I have what seems to be a simple task - to make an HTTPS request, but I encountered an error: Socket Error #10054 Connection reset by peer Moreover, this error does not occur every time; out of 30 ...

Using a runtime created TRichEdit descendant, I need to be notified when the EN_PROTECTED notification message is sent to the RichEdit. As far as I know, it should be sent to the RichEdit wrapping any ...

I am trying to use XE7 to connect to an in-house REDCap server. REDCap has a detailed description of the API at https://education.arcus.chop.edu/redcap-api/ and a test server at https://bbmc.ouhsc.edu/...

I want to use Delphi mqtt ssl client to connect to a secure mqtt broker for which I got a certificate (.crt). I have got an mqtt client component (pjde/delphi-mqtt on github) but don't know how to ...

Using RAD Studio XE7, I need to post files using the TRESTRequest component. Unfortunately, I did not find a AddFile() method in this version of the component. So, I have to find a solution that ...

I would like to ask if Delphi Indy ftp idFTP.GET can preserve the file's created and modified date? If not, how can I accomplish this? Thanks!

Recently i have completed the migration of my company's project, from Delphi XE7 to Alexandria 11.1. After a couple of releases, some customers with bigger databases complained for delays at opening ...