Most voted "delphi" questions
Delphi is a language for the rapid development of native applications for Windows, OS X, iOS and Android applications. The name refers to both the Delphi language (a modern evolution of Object Pascal) and its IDE, which is used to help edit and debug Delphi projects.
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answer1103
viewsHow to remove a Tlistbox selection
I’m creating a component to serve as a refinement for research, offering suggestions. This component has a Tedit where you can enter what you want to search, a list where possible values for…
delphiasked 9 years, 6 months ago João Guilherme 11 -
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answer1693
viewsAdd lines in a certain place of Tmemo
I have some variables that receive some data from a common DIT. My doubt is the following, the person will click the button and Tmemo will receive the data, I would like in this action it cleaned…
delphiasked 9 years, 6 months ago Guilherme Lima 3,129 -
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answer37
viewsLoop Loop on Tmemo
I’m using a Tmemo which receives data from an Edit, but this data will be inserted x times, the question is as follows: By pressing the button the Tmemo received the data as follows: Memo1.Lines[10]…
delphiasked 9 years, 6 months ago Guilherme Lima 3,129 -
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answers88
viewshow does Zconnectongroup work?
Has anyone used zconnectiongroup? I have to import several cvs files into the FB database, Then I thought to import in several connections, to be faster(since each connection would use a core). I…
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answers40
viewsSocket.Receivelenght subtracting 4 bytes
Good evening, everyone, I’m having trouble receiving part of the file which is as follows: the file is sent correctly to the server application with all the original content, it happens that when I…
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answer1421
viewsHow to serialize a Json in Object? Delphi XE7
I need to generate an Object that represents a JSON file and Delphi is generating me the following ERROR: 'Internal: Invalid pair name {"directory":"d: Folder Doc"}: expected type or ref' In the…
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answers260
viewsINTENT call not found
The Delphi application calls a java application Activity and in the call displays the following error: android.content.Activitynotfoundexception: Unable to find explicity Activity class…
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answer494
viewsFlashing form when setting top edge
The following code is a component (unfinished), a label, what I was/am trying to do. The idea was to create a label in which I could define edges, paddings and edges, being that for the edges the…
delphiasked 9 years, 6 months ago user21742 -
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answer191
viewsData type via socket
Is there any way/trick/algorithm that allows me to know what kind of data is coming via socket? I can send both text and files via socket, but I’d like to know what I’m getting to treat differently.…
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answer90
viewsRead/Write information to file . cds
I took a project to develop in C#, the project is based on reading information from a file .txt and save the information to a file .cds which is used in a system developed in Delphi. I looked for an…
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answers187
viewsGetprocaddress in external processes
I wonder if there is any alternative to GetProcAddress to be used in external processes? Something like: GetProcAddress(handle,GetModuleHandle('user32.dll'),PChar('MessageBox')); Does anyone know?…
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answer1477
viewsDelphi x DLL x Resources
I am creating a DLL in DELPHI, within it there are some functions that my system will use. I would like to know the following, is there a way to embed this DLL created in DELPHI direct on EXE…
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answers822
viewsDestroy Tedits at runtime
I have an application that creates Tedits from 1 to 15 I wish they would disappear, but when the person clicks on the button to create they come back.. they were created as follows: ArrayEdit[x] :=…
delphiasked 9 years, 6 months ago Guilherme Lima 3,129 -
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answers802
viewsIncompatible types: Pwidechar and Tcaption
need to resolve this and can not, I have a variable that loads a DLL with LOADLIBRARY, when I put the path that is the DLL (that is inside an Edit) it gives the error above the topic. ERROR:…
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answers1687
viewsDelphi - Oauth 1.0 Authentication - Woocommerce Api Rest
Hello, I’m trying to make a 'POST' in the Woocommerce Rest API using Delphi. I’ve done several tests using a lib. which I downloaded in http://sourceforge.net/projects/oauthdelphi/ but without…
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answer713
viewsTclientdataset Temporary Table
Good night. My question is the following, I have a temporary table created on TClientDataSet. However, I need to record the data from the temporary table in an XML file and then read again in…
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answer326
viewsError sending email function
I have the following code to send an email to Delphi, but it gives an error (attached) at the end of the code after the last end. I’m using the latest version of Delphi and it informs me if the…
delphiasked 9 years, 5 months ago Guilherme Lima 3,129 -
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answers408
viewsProblem to destroy Delphi’s DM
In the system we use Delphi DM to do SQL command, but they are called screen on screen, and sometimes one screen uses the other (or more). Only this causes memory overflow, to solve, I’m killing the…
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answer223
viewsSQL Query Shows All Records
I have an application that should show in a dbgrid only id that is equal to the service order and that has the same id in another table: To ID_OrdemServico comes from the table ordem_servico by…
delphiasked 9 years, 4 months ago Guilherme Lima 3,129 -
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answer59
viewsCombobox does not return Sqlserver columns
In the following code, it should present me the columns of a table I have on my system, but when clicking to display the options in the combobox nothing appears. However if I start typing the name…
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answers317
viewsSend text with Client Socket from a form that is displayed above another Form that is always at the top
I’m having trouble sending text messages from a Client Socket. The form that sends the text, is always displayed above the form that always stays at the top, when FormOnTop does not exist (is not…
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answers2356
viewsDelphi: Error 80020101 when running javascript in Twebbrowser
I use the TWebbrowser in an application Delphi XE7, but I’m having trouble trying to execute commands javascript. (Oleexception ... Unable to complete operation Error: 80020101 ) This happens with…
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answer505
viewsEdit receive caption from several Abels
I would like a TEdit received the value of a TLabel and clicking on another TLabel the property caption concatenaria what was received before. Ex : edit.text := valorlabel1 valorlabel2 valorlabel3…
delphiasked 9 years, 3 months ago Guilherme Lima 3,129 -
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answer895
viewsLazarus accents in JSON
I’m having a problem with accentuation in Lazarus, when I get a JSON coming from a URL it returns characters like " u00ed" instead of "í", someone knows what I can do? Follows the code procedure…
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answer389
viewsSql Code Syntax Highlighting
Hello, does anyone know any component (or function) capable of highlighting certain parts of a given text (Highlighting). I am implementing a system where the user will be able to execute some SQL…
delphiasked 9 years, 3 months ago Junior Moreira 7,299 -
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answers286
viewsUnidac uniQuery component does not return keygenerator value
I’m having trouble inserting into Firebird using Devart’s uniQuery (Delphi 7 with Unidac) component. The primary key field is in the query fieds and the component configuration is like this:…
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answer1085
viewsFastreport error designer
I want to create a report generator on my system, allowing the user to customize the layout of the report. I need to save these reports on banco de dados so that it is accessible to all computers in…
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answers2040
viewsFiredac Refresh or Refreshrecord
I’m going through an unusual situation with Firedac. I use Delphi 2009 + Firedac V8.0.5.3365 and only one component ADQuery without DataSetProvider and ClientDataSet. After the inclusion of a record…
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answer231
viewsRepeated tags, file . windows bat do not delete some tags
I’m having a problem with a company system here which is next. The system generates labels and prints them on an Argox printer, these label printers. Are tags of requests that are generated with PHP…
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answer254
viewsChange Border Selection Color with Mouse
Hello, I have the following function below in which I select (with the mouse) a certain coordinate of an image and save it. It turns out that when it’s a very CLEAR or WHITE image I can’t see the…
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answers392
viewsDelphi - Chat with Emoticons
I believe that there are many and many people with this same doubt, unfortunately I did not find anything on google that could help me so I would like the solidarity and help of the staff here, How…
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answers1129
viewsChecklistbox - Select only one record
The TCheckListBox allows selecting several items, but unlike some components let’s say "his relatives" owns the property Boolean Multiselect. Is there any function or procedure for it to allow only…
delphiasked 9 years, 2 months ago Junior Moreira 7,299 -
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answer272
viewsHow to load array items into list box?
I have a TCheckListBox and when it is checked I store the options in an Array. I need that, by clicking on a "List" button, the Array elements (options marked in the TCheckListBox) are listed on…
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answers96
viewsCan Firemonkey use my GPU and Direct2d?
I’m starting a game development for Windows 10 and would like to know if Firemonkey can use my GPU without any extra configuration. I’ve heard "rumors" that Firemonkey can actually automatically use…
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answers415
viewsLabel printing skipping 2 by 2
I’m generating an application that reads a txt , and generates labels to be printed at the time I am using an Argox with the code below I receive and print the labels: var x: string; var y,i :…
delphiasked 9 years, 3 months ago Guilherme Lima 3,129 -
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answers115
viewsHow to adjust rectangle in the same position on the screen using Createrectrgn?
I am adding extra functionality to my remote assistance software for better interaction with my users. When I will create a rectangle with a "hole" in the Client.exe in my tests is successfully…
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answer1135
viewsJustify Qrddrichtext
I’m creating a report in Delphi using the QuickReport. In the Database I write a formatted text (this eh, with justified parts, others aligned to the left other centralized). To justify the text in…
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answers157
viewsDelphi 10 startup error
I’m having a problem booting Delphi 10, it started to show the error attached after a Windows 10 update. Someone knows the solution?…
delphiasked 9 years, 2 months ago André Angelucci 129 -
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answers895
viewsDbcombobox saving Dice
I’m new to Delphi and I’m doing a form where all the entrances are DBLookup. I need a Combobox to select whether the person has known parents or not. Example: 0 - Has parents, 1 - Does not have. I…
delphiasked 9 years, 1 month ago Luis Souza 333 -
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answer84
viewsHow to discover all the objects in a Joystick?
I am compiling a project for Win32 using the Directx Directinput library to manage Joysticks. I tried to successfully identify if any Joystick is connected through the enumeration: uses Classes,…
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answer232
viewsTcc Antivirus Prevent From Terminating Process Delphi
I am completing a project, creating an application that simulates an antivirus. The application is in Delphi, what I want to know is how antivirus do to register a process as user system, and when…
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answers173
viewsDelphi 7 and Openssl
I own a server Ubuntu on the web and have full control of it, is a VPS, have a restful done in django I can read quietly on Delphi7 with the superobjects. My concern is that this communication is…
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answer1324
viewsCapture Webrowser text
Hello, I need to capture a certain text from a site I am accessing through the TWebBrowser, every time soon on this internal site it generates a text more or less like this: <html>…
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answer394
viewsWhile capturing screen error occurs: Raised Exception class Eoutofresources with message
I am using Embarcadero RAD Studio 2010 Delphi. I was doing tests to capture the screen images of other computers via sockets. Then I came across an error while capturing the screen and turning to…
delphiasked 9 years, 3 months ago Grégori Sória 816 -
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answer63
viewsAntivirus removes the program after installation/upgrade
Before, excuse me if it’s not the place, but I’m not getting results in my searches for this situation. Well I am in an uncomfortable situation, I have a system developed in Delphi 7 and in the…
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answer517
viewsmethod to login using Datasnap
I’m making an Android application using Delphi, I have a server with the methods to get the data from the Mysql database, I would like to know how I can make a method to get users who are already…
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answers635
viewsHow to make a Delphi-Oracle connection without Oracle Client
I have an application that was developed at a time we had a client-server system , with this there was always an Oracle client on each machine, now we have a 3 layer system and we no longer have…
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answer688
viewsHow to read text files online?
I have a project done in Delphi and at a certain time it should perform the reading of a text file that is hosted on a website, however, I want this reading to be done online through a TMemo without…
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answer874
viewsTwebbrowser load html pages (Forms) in sequence
I have a component TWebBrowser in the form that loads a page html (one Form), fills the data automatically and sends it through the command WebBrowser1.OleObject.Document.all.Item('enviar',…
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answer164
viewsHow to change runtime driver letter in Delphi
Friends, I decided to simplify the use of a system in Delphi, using the banco de dados and the executable available in a pen drive. With that, I have my tables on Access, and arranged in a…