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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answers64
viewsError while compiling Delphi project 5. Says it cannot rename file
I try to run the application and gives me this error. How do I fix it? Delphi5…
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answer66
viewsHow to keep an image in a form?
Hello! To use in game production, I would like to understand how to keep an image in a form through Firemonkey. The code I have so far is as follows:: program TestCase; uses UITypes, Classes, Types,…
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answers1520
viewsHow to pass a server parameter to the client in Datasnap?
How can I send and receive data using datasnap? I have a Mysql database, a Mobile application in Delphi Seattle with a datasnap server, the connection works and I can take the data from the bank and…
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answer737
viewsHow to check the INEXISTENCE of a directory on an FTP server in Delphi?
Use the Delphi and the Lazarus to create my applications, what should I do to check the non-existence of a directory contained in a FTP server? For example, when will you check the non-existence of…
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answers89
viewsTransform incoming Veederroot data
Good afternoon Person, I have looked in several places and still can not find the solution to my problem, I hope you can help me. I’m making a communication in Delhi with veederRoot through the…
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answers696
viewsGenerate RES (stringtable) file from a resourcestring Unit
I’m studying some sources of how to internationalize the software, and in the example I have the software has a Unit with constant strings (captions, etc), something like: unit Resources; interface…
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answer210
viewsMagical Property- Insert properties into another component
I’m working with flowpanel in the Delphi and I noticed that he adds one more property to the objectInspector, the control index, for objects inserted in it. I wanted to know how this is done, if I…
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answer61
viewsSystem documentation in conversion
I am in the process of converting a system in Delphi to C# using the SCRUM methodology, until then there is no documentation of this system. So I would like to know what they indicate, I don’t need…
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answers63
viewsIs it possible to improve the writing of this code?
I have the following code below: memo1.Lines.Add('def' + ' ' + nome + ' ' + '('+ variavel1 +',' + ' '+ variavel2 + ',' + ' ' + raster1 + ')' +':'); Which results in something like this: def nome…
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answers785
viewsHow to change the file style.xml Delphi firemonkey
I wonder how to change this file style.xml to change the notification bar of android in standard material design (http://antonioleiva.com/material-design-everywhere/). That is I want to change the…
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answers860
viewsDbgrid Delphi Seattle
I installed a trial of Delphi Seattle and compiled my system, but I realized that when opening a certain query the column does not get the size I determined earlier. When compiling in Delphi 7 the…
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answers282
viewsHow do I use the Chr() function in C++ Builder?
I need an example of using the function Chr() or something equivalent in C++ Builder. I’m needing to do a function to decrypt the database password.
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answer350
viewsChange one Lookupcombobox according to another
I’d like to make one LookUpCombobox in Delphi who behaved as follows: When the user clicked choosing Brazilian or Brazilian, Born Abroad or Naturalized, other LookUpCombobox was automatically…
delphiasked 9 years, 2 months ago Luis Souza 333 -
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answers470
viewsRunning programs done in Delphi 1 in windows 10
I learned to make simple programs in Delphi1, using quickreport1 to make reports. I am running these programs in my XP pack 3, for a few years. I bought a notebook from Acer, with windows10…
delphiasked 8 years, 10 months ago eliazar cabral de vasconcelos 11 -
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answer206
viewsHow to use indentation lines in Delphi XE7?
There is a program, cnPack that allows to do this, and was using in Delphi 7, but when changing the version of Delphi, I needed to download again and then came the problem, when installing it…
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answer264
viewsHow to perform a procedure only once?
I set up a payment generator that takes multiple data and saves it in a bank table, the problem is that I used the Form Onactivate event, so every time I go back to the initial form, the procedure…
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answer68
viewsBeforepost recording wrong information
In my Delphi application, when breaking an agreement with my Client I must update the operations data! So I start by deleting some customer data, the problem happens right there: procedure…
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answers542
viewsLoop function until the application closes
I have the following code that keeps changing image from time to time. if Timer1.enabled = true then begin Gauge1.Progress := Gauge1.Progress +1; if Gauge1.Progress=10 then…
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answer1654
viewsWebbrowser click nameless button and DELPHI ID
I know for me to click this button here! <input type="submit" id="btnSubmit" name="avancar" value=" Avancar " onclick="return onSubmit();"> I use this code…
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answer1191
viewsUnsupported on-disk Structure
I was developing in Delphi using Firebird 2.5. And it started to give an error when trying to connect to the local database. When trying to connect it from the following message: Error: unsupported…
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answer258
viewsAdd space after finding a character
I have the following code that adds the contents of a button and a space after clicked procedure TForm3.Button1Click(Sender: TObject); begin if count = 0 then Edit1.Text := Edit1.Text +…
delphiasked 9 years, 1 month ago Guilherme Lima 3,129 -
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answers30
viewsAccess XML Returned from Webservice
I am using the delphi seattle to develop an app and access a webservice asmx/Soap, and that the return of the methods is in xml. I can access all the methods of the webservice and have already…
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answer574
viewsInsufficient memory with Clientdataset.Savetofile
I need to generate a file XML of a table of 500,000 rows and 200 columns using ADQuery of FireDAC and TClientDataSet recording with ClientDataSet.SaveToFile(Arquivo). I need to record with the…
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answer78
viewsTbquery back N records
No Lphi if I give one TbQuery.prior It returns a record. But if I want to go back N records, for example, I want to go back 5 records. Does anyone know if there are any methods in Delphi that do…
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answer732
viewsProblem defining onClick in Runtime with Pascal (Delphi/Lazarus)
I need to use the procedure ClicaItem(Sender: TObject); in a OnClick created at runtime by the procedure CriaItem(nome:String);. However, in all my attempts, I could not attribute item.OnClick à…
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answer1378
viewsLog system exceptions using application events
I am wanting to record in a text file any exception that happens on the system. I’m using the component Application Events of the Additional palette. Below follows the example of the code: procedure…
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answers865
viewsDirectory of Windows folders
I am developing an application that references local directories on my computer. If I try to run the application on another computer, the references get lost. nmArquivo :=…
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answers112
viewsUsing libraries . jar in Embarcadero
Good afternoon to all Searching found several spoken posts about java2po and its function of converting libraries . jar to Delphi language. I managed to perform the conversion of some libraries that…
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answer213
viewsDifficulty Creating Threads
I’m trying to create a Thread. But I’m a beginner in the subject. Someone can point out where my code is wrong. It’s not working Procedure TFormPrincipal.ButtonCompartilharProxClick(Sender:…
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answer720
viewsIncompatible type: method Pointer and regular Procedure
I have a calendar only with month/year and created an "event" so that, when it was selected, the month could be treated and the fields filled. type TonAnoMesSelecionadoEvent =…
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answer761
viewsUse Dblookupcombobox with only one table and one Clientdataset
People, I have a question about using Dblookupcombobox in Delphi. It is possible, instead of using two tables (take values from one and write to another), I have only the table where I will save the…
delphiasked 8 years, 9 months ago Rodrigo Tognin 1,057 -
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answer585
viewsGeneration of GNRE Guides for the state of RJ
Good morning, I am carrying out the development of an application that carried out the generation and the sending of GNRE guides to the state of Rio de Janeiro. I have already done the development…
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answer1190
viewsHow to send data from a clientdataset via post in Delphi
I am developing an application that I need to send data from a Clientdataset (Delphi) to a web system via Post. How should I proceed? Grateful.
delphiasked 8 years, 9 months ago fabricio_wm 1,090 -
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answers128
viewsVersion control Delphi
Today we are thinking of using a font version control for our projects. We are using Delphi 7. I wonder if anyone knows any source version control?
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answer75
viewsHow to make an insert in mysql with data coming from a Simpledataset
I have a Simpledataset with data from a Firebird local. I have to make one Insert in the Mysql. How should I do it? Other Sqlconnect and another Simpledataset? How to do the Insert with data from…
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answer353
viewsRegex - Regular Expression to get a text block
How would a regex capture the block of declosed variables in a Delphi unit ? The closest I’ve come to this is using this var[^=]*[^\)]; but without success. var Variavel1 : string; Variavel2,…
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answers763
viewsUsing Tidhttp and Tidconnectionintercept created in Runtime
I have a method that makes a connection to a Restful server and for this uses the components Tidhttp, Tidconnectionintercept and others created in Runtime, so far so good, the problem is that I need…
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answers309
views"Invalid Pointer Operation" when creating data module
I have a dll made in Delphi 2010, and sometimes there is "Invalid Pointer Operation" error when creating the data module, which contains dbexpress connection components (simpledataset,…
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answer2214
viewsAdd an A3 certificate to the Tidssliohandlersocketopenssl component
I would like to know how I can achieve the integration of a digital certificate of the kind A3 to the component Tidssliohandlersocketopenssl. I already managed to perform the search part and choose…
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answer733
viewsSlow to compile project in Delphi XE7
Good afternoon. My system has about 30 blp s that are inside a Projectgroup. When I was at Delphi 7, compiling all the bpl s took about 2 minutes. Now at Delphi XE7 it takes about 20 minutes. I…
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answer585
viewsRad Studio 10 Seattle - Xmltransformprovider - Encoding UTF-8
I have 2 applications developed in RAD XE2. One has as object the typing of data that will be written in an XML file and the other, responsible for reading, validating and importing the generated…
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answer832
viewsThe object does not support the property or method in util.js of the Google api
I have an application in Delphi XE7 that loads a google map to generate route in Twebbrowser, but when generating the route it is shown only that it generates error when will put the path described…
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answers1764
viewsRecover last inserted Datasnap ID / Sqlserver
I am using Sqlserver with my Delphi XE10 Datasnap application, but when I do an insert I would like the server to return me the id that was just entered in the auto increment (Identity) field of…
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answer127
viewsRemove part of a text in the combobox
I have a combobox that I read a directory and bring the names of the found files: exit: demons.txt arch.txt elo.txt So far so good, but I would not like the extension to appear in the combobox .txt,…
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answers197
viewsSelect File by Webbrowser
I have an HTML file with the following code: <form method="post" action="recebe_upload.php" enctype="multipart/form-data"> <input type="file" name="arquivo" /> <input type="submit"…
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answers199
viewsCompare Sqltimestamp type field
I have a question here... I have a field in the SQL Server database of the type Datetime that can be null. In Delphi, within the Memtable (or Clientdataset... would be the same thing in my case),…
delphiasked 8 years, 9 months ago Rodrigo Tognin 1,057 -
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answer60
viewsCan I run Delphi 6 software in more current versions of Delphi?
I can run a program made in Delphi 6 in newer versions?
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answer144
viewsCorrupted file while copying from one folder to another
I am locating and saving the files in a listbox1, as follows: procedure Localizar(DIR,ARQ: string; LIST: TStrings); var SR: TSearchRec; begin {Garante a barra no final do diretório} if…
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answer1122
viewsDisplay text field in dbgrid Delphi
I have a DBGRID, and I need to show him a field like text, but when it shows, it appears (MEMO) instead of the text that was meant to be, as I do to make it appear? Note: I cannot change the…
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answers8869
viewsError "could not load ssl library" using Delphi 7 and Indy 10.0.52
I’m using Delphi 7 and indy 10.0.52, trying to send a json methodically post for a api but I always get this error message: could not load ssl library A long time ago I did this same procedure only…