Recent questions tagged delphi

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Is it possible to use a font directly from resources in Delphi and how? I have a problem with the very ... from executable)? Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Indy 10 Http Server sample

I need a simple code sample for Indy 10 Http Server When request (post) simply displays it Is there an Indy 9 sample for this? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How to switch an Application between Themed and not Themed at run-time?

Very much like the "Project|Options|Application|Enable runtime themes" CheckBox, but dynamically at run-time instead. [ ... success so far.... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Calculating size of text before drawing to a canvas

I'm using Delphi 7. I'm more than familiar with using a canvas and drawing text to a canvas, and also ... box (TScrollingWinControl is my base). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Need a way to periodically log the call stack/stack trace for EVERY method/procedure/function called

I'm working on a very large application where periodically I'd like to log the ENTIRE call stack up until the ... order to log the code path. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How to avoid circular unit reference?

Imagine the following two classes of a chess game: TChessBoard = class private FBoard : array [1..8, 1..8] ... other unit's interface section)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How to bring my application to the front?

I know all the reasons why it is a bad idea. I dislike it if an application steals input focus, but this ... alternative that does. Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Where can I find a "ESC/POS" Epson Barcode Test Program?

I am struggling to get an Epson "ESC/POS" printer to print barcodes (Using Delphi) and want to test if the ... am using is an Epson TM-L60II See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How do I put a semi transparent layer on my form

I have read some questions about this in the last week or so, on stackoverflow. My requirement is more or less ... . I use Delphi 2007. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Creating Ribbon Styled Applications

Using the standard Delphi TRibbon components I noticed they are not that brilliant. Firstly they dont look as ... the standard Delphi TRibbon. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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690 views

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delphi - How to select a Menu Item without closing the Menu?

By default when you select an item from a TMainMenu or TPopupMenu etc, the menu closes after it was clicked. ... achieving this? Thanks Craig. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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688 views

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delphi - Looking for an alternative to windows messages used in inter-process communication

I a have a multithread application (MIDAS) that makes uses of windows messages to communicate with itself. MAIN ... full and things slows down See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How can I automate getting the date of build into a constant visible to my code?

I would like to define in my code a constant holding the date on which the executable was built. I would ... a neater solution to the problem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Do I need TThreads? If so can I pause, resume and stop them?

I've always wondered is there a better way that I should be writing some of my procedures, particularly ... and managing lengthy operations. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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893 views

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delphi - How to implement a close button for a TTabsheet of a TPageControl

How can I implement a close button for a TTabsheet of a TPageControl like Firefox? Edit: Delphi Version: Delphi 2010 OS: Windows XP and up See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Reduce exe file

Using Delphi (or in general any tools, if exist of course), is it possible to reduce size of an exe file ... changed since than till Delphi-XE2? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Find out what process registered a global hotkey? (Windows API)

As far as I've been able to find out, Windows doesn't offer an API function to tell what application has ... at WinAPI, please be kind.) 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 - Resource not found error when using TForm as base for a component

I am writing a component and want to change the base type to a TForm however at run time I get the error " ... nil; Mc.ShowModal; 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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delphi - Ok to use TADOConnection in threads

I have created an TCPip server application. The application has one global TADOConnection. This global ado connection ... more resource costly)? See Question&Answers more detail:os...

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

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773 views

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delphi - Generics not resolving method types correctly

Consider the following : {$APPTYPE CONSOLE} uses Generics.Collections; type TObjProc = procedure of object; TFoo = class ... I think there is). 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 : how can I change color of a cell in string grid

I want to change background color ( not font ) of a cell in string grid in delphi . Just one cell not a row or a ... div 2, Rect.Top + 2, S); See Question&Answers more detail:os...

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

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862 views

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delphi - Indy FTP Failing to upload miserably

Using a simple code, such as: procedure TForm1.cxButton1Click(Sender: TObject); begin ftp.Host := 'domain'; ftp. ... I doing wrong? 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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886 views

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delphi - Still get error popup even when ApplyUpdates is inside try...except

Solution found, see my comment below D5, odbc to mysql database This code: with QryCmdPerf do begin Close; ParamByName ... work, what will? TIA 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 - Can't retrieve TStreams bigger than around 260.000 bytes from a Datasnap Server

I have a Delphi 10.1 Berlin Datasnap Server, that can't return Data packets (through a TStream) bigger than ... the problem remains. 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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delphi - Style properties for TDateTimePicker

A TDateTime picker is a ComboBox where the drop-down list is replaced with a calendar. I use XE2 VCL Styles ... anybody had a better solution. See Question&Answers more detail:os...

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

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1.3k views

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delphi - Adjust Column width DBGrid

I have a TDBGrid. It works, but the columns shown are very large. How can I set an "auto-fix column width"? See Question&Answers more detail:os...

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

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779 views

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delphi - Generic functions for converting an enumeration to string and back

I'm trying to write functions that will convert an enumeration to string and back again. ie: TConversions = class ... possible to do in pascal? See Question&Answers more detail:os...

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

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925 views

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delphi - ListView in vsReport mode colouring of Items and rows

I want to color one row in gray and the other in white. I have the following code but there is white space ... .Brush.Color:=clWhite; 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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