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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answer131
viewsDelphi Add line in SQL error LIST OF BOUNDS (3)
I have a problem adding a line to my SQL LIST OF BOUNDS (3) Delphi : clausulaIn := 'AND A.NNUMEMAPAF IN (0'; while not Q_Mapas.Eof do begin clausulaIn := clausulaIn + ',' +…
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answer1958
viewsApplying Richedit text style in Delphi
I need black a few words within a Richedit in Delphi, it works normally when there is no line break. But when I insert a line break I cannot correctly select the word to apply the style. All the…
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answer364
viewsNo field contents shown in Dbgrid
In a dbgrid, I want some fields to appear in the pay accounts table and the field vlparcela_parcelasapagar of the installments table payable.. So I made a Join in both tables, see the example:…
delphiasked 8 years, 5 months ago Rogério dos Santos 43 -
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answers512
viewsApi Mercado Livre
For about 4 months I’ve been studying the Free Market Api at Delphi but the yield is slow. Has anyone ever managed to authenticate and integrate the system? Use Rest and firemonkey.
delphiasked 8 years, 5 months ago Ricardo da Rocha Vitor 360 -
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answers294
viewsNF-e in Delphi accessing WSDL
NF-e in Delphi accessing WSDL. I am not experienced in accessing WSDL servers, nor Nfe. I have available some encapsulated methods informed to be used in Delphi. The method I’m trying to access is…
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answers1072
viewsHow to order Record in Delphi (similar to ORDER BY)?
I bring some bank records with a specific sorting and play into a vector of the type record. Then I need to add more items in this array keeping the initial sort. How the sort is done in the SQL the…
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answer550
viewsDelphi XML signing "Unregistered class"
I’m trying to sign a XML with the Delphi, to TAG Signature. For this I am using ready-made routines that all of these have a common point. **xmlDoc := CoDOMDocument50.Create;** While running Windows…
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answers658
viewsHow to optimize Firebird 3?
Someone who works with Firebird 3, do you know exactly how to optimize SGDB to be more efficient? So far I’ve run some tests on Firebird 2.5 and 3 to compare queries, and it’s pretty much the same.…
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answers178
viewsApplication Delphi 10 Seatle does not open
I am developing an application in Delphi 10 Seatle with bd Firebird and it compiles and runs normally. But when you put it on another computer it gives an error and the memory address appears. If I…
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answer1493
viewsHow to fade some components in the background to highlight a Tpanel on them?
I have a main screen, with some Tpanels and other components, and one of these Tpanels would like to create a login screen. By calling this login Tpanel over the other components of the form I am…
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answers50
viewsReturning information recorded in the bank
I have a system that is installed on an unstable network, my doubt is the following, if at some point in my recording I lose the connection to the database, how do I undo what was done in the…
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answer61
viewsUnsolved error
Good afternoon staff I spent the whole week smashing my head with an application and I could not solve, I pay anyone who helps me without problem... To explain better I made a video and posted on…
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answer1245
viewsDelphi RTTI get the property value of an object that is owned by another
I am having doubts about how to obtain, via RTTI, the value of a property of an object that is owned by another. Below are two objects and their relationships. In this example I would like to get…
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answer128
viewsDesktop and cloud system integration
I have a desktop system where I need to send some data to the service Firebase of Google. I would like an idea of what would be the best way to send this data to the Firebase, and it can sometimes…
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answers692
viewsHow to disable Autocommit in Firedac
How would it be to disable Autocommit type: FDTable1.AutoCommit := False; or FDconection.AutoCommit := False; I don’t think so.
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answers667
viewsCreate objects in Runtime faster
I’m developing a Unit for a biometric reader. When giving CREATE, Unit creates several Runtime objects within Tabsheet. Everything is running perfectly, but when loading the objects you can see…
delphi delphi-7 delphi-xe3 delphi-xe5 delphi-xe6asked 8 years, 3 months ago Wellington Telles Cunha 379 -
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answer219
viewsremove attribute from a node in Nexxmldocument in DELPHI
I created an XML Document when creating the 2nd. Node 'Header' comes with the attribute from the previous Node. The Node is created as <Header xmlns=""> how can I remove xmlns="" from Node I…
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answers1673
viewsError giving post by Delphi
I have a table that only has a record this table I save the system parameters it only has one item saved and its item number in one will be greater than 1 so she has no primary key, only when I try…
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answers163
viewsHow Can I Record an Audio with Android API Audiorecorder In Delphi Pascal
I have a small project where I need to record an audio by the android API through Delphi with Pascal, but I haven’t had much success in my codes. Could someone help me in this dilemma? what I have…
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answers122
viewsIs authenticating users through a form with database connection safe with crackers?
I would like to authenticate my program users using a form with connection to an sql server database but I don’t know if it is a safe way against unauthorized copies. The authentication will be done…
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answer275
viewsDigital Certificate to receive HTTPS requests via AJAX
Does anyone know what kind of digital certificate is needed to use on mormot to receive requests AJAX via HTTPS? Also, how to install it in windows? If you have an example (preferably using Delphi…
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answer218
viewsFont Conversion Problem Delphi7 to Delphixe7
I have a certain source code to control microterminals of the Gertec brand that was compiled in Delphi7 and works all ok, when I compile in Delphi XE7 occur some problems. For those who do not know…
delphiasked 8 years, 3 months ago Giovani Ramos da Cunha 15 -
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answers343
viewsRelease object into a function - Memory Leak
I am starting in the world Datasnap and I came across a situation that I can not find solution. My code is on memory Leak, because I can’t release the objects. if I release the objects the access…
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answer517
viewsAuto complete Dblookupcombobox
I have a Dblookupcombobox2 with the following information: 42-batata 45-cebola 78-caneca 49-faca 79-livro If the number is entered the search is done, but with letters does not work. For example I…
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answers768
viewsFdmemtable losing data while using Filter
I created an Fdmemtable, at runtime, with the following structure: Cds_NaMenu := TFDMemTable.Create(nil); Cds_NaMenu.FieldDefs.Add('ID', ftInteger); Cds_NaMenu.FieldDefs.Add('MN_TELA_CODIGO',…
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answers134
viewsDelphi - Taking property values with Getpropvalue()
I’m using the function GetPropValue() from Delphi to take values from certain properties of some type objects TControl. Everything works correctly when I take simple property values, for example…
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answer672
viewsInstall only the app without overwriting the sqlite database that is already being used
I am developing an application using Delphi Tokyo for Android. But by always compiling it takes the database from sqlite and about writing the that is already there full of data. As this app goes to…
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answers498
viewsTrying to Quickly Open a Huge Table with Fdtable
Hello, the problem I’m facing is: I have a table with 120,353 records need to make a general correction on the table and how hard I try FDTable.Active := True is in process endlessly... I’m using…
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answer1660
viewsHow can I display a PDF from Delphi?
I need the PDF to be displayed on the screen of the Delphi application, without the user having another software installed, such as Adobe Reader or Foxit. I use Delphi XE 10. Which component should…
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answers120
viewsHide Passwordchar in Dbgrid Delphi 7
It is possible to hide the passwords that are shown in my dbgrid? For the same dbgrid is used to edit passwords.
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answers1184
viewsService installation with sc.exe
I created a Serviceapplication using Delphi XE6 When I use the command install (no prompt) the application is installed correctly and the service can be started. But I need to install 4 instances of…
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answer244
viewsGoogle Search + Delphi 10.2 Tokyo Results
I looked for Apis Google to create a code that shows Google results in apps Delphi 10.2 Tokyo, but I didn’t find Apis recent. I need the following, the user type in a Edit the term you want to…
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answer85
viewsReplace words when importing in Listview
I’m importing a file .DAT in a Listview, I need that before the import is done the program looks for the expression {keyword} in the items and that the same expression is replaced by the text of a…
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answers51
viewsHow to copy the contents of a code Parameter hint?
In Delphi, when we press the combination CTRL+SHIFT+ESPAÇO after the parentheses of a function, the IDE brings a code Parameter hint, telling the fields that must be informed for that function. I…
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answers1157
viewsProblem opening form inside panel
I’m trying to open a form inside a panel in Delphi, but apparently, the form opens with the same size as the panel, but outside it. I did so... UniForm1.Parent := UniPanel1; UniForm1.Show;…
delphiasked 8 years, 1 month ago user75204 -
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answer1875
viewsAdding bulk items/subitens in Listview
Good afternoon, I’m trying to add bulk items to a Listview. I need to put the text of a memo separated by semicolons(;) as items and subheadings in this listview. Example: Text typed in Memo: João…
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answer329
viewsOracle - Error connecting with Adoconnection Delphi 10.1 (Berlin)
I have an app that works on Delphi XE2 using the database connection component Adoconnection. When I migrated to the Delphi 10.1 (Berlin), no error. Connection exists, but does not connect, and…
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answer680
viewsMove the mouse via programming
Move mouse to control (example a button) on Delphi with Firemonkey. I tried this function: procedure TFuncoes.MouseParaControle(Controle: TControl); var // Posiciona o mouse em cima do objeto…
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answer621
viewsHow to pass Delphi qry.filter parameters
I need to filter data from a grid, but I need to pass by parameter. in case all data needs to be returned. Always do as follows to show all data in Grid Example: SELECT FROM TABELA A WHERE (A.NUM =…
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answers749
viewsDelphi - how to treat delete in the master-Detail relationship?
I have two tables using Firedac Tfdtable and did the Master-Detail relationship between them which works well. In Forms I have two Dbgrids, one for each table , when deleting a record in Dbgrid…
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answers3002
viewsHow to store Memo content in variable string in Delphi?
I need to store the contents of Memo1 in a string variable, but it didn’t work: sHTML := Memo1.Lines;
delphiasked 8 years, 1 month ago user91701 -
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answers287
viewsHow to disable windows update in Delphi
I needed to be able to somehow disable windows update with a Delphi project. I’ve searched the Internet but I haven’t been able to find anything for the purpose. Could someone give me a help or an…
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answer1920
viewsHow to open PDF in Delphi’s Webbrowser?
In the Webbrowser of Delphi, run a file .html, which is a PDF reader. I need when the reader is opened to load a PDF stored in a Delphi string variable. procedure TForm2.Button1Click(Sender:…
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answers100
viewsZeos Query freezing the program
I have a system that connects remotely to a server with MySQL on the Web using Zeos, in some cases where the connection usually oscillates, when running the Open in a query, the system freezes,…
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answers1326
viewsHow popular Listview pictures with Ascync android firemonkey?
With popular the Listview with the function below, but popular images cause small crashes, I searched a little and found suggestions of using Threads with Async, but I couldn’t apply to my project.…
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answer105
viewsReturn code from data entered just after INSERT
i know with java to do, but I did not find anything to do this in Delphi(if possible), whenever and register a new item I search the code by SELECT MAX('FIELD'), but I wonder if it is possible to…
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answers221
viewsHow to make a contact list in Delphi
I’m creating a list of contacts, like phone, but I needed to do that sidebar with the letters A - Z and when he clicks on some letter vscrool would go to the counters of the selected letter. The…
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answers28
viewsBindvisualy, link a label in the code
I would like to know how to "link" a field of bindVisualy with a label created remotely. I am using Delphi 10.1 Berlin and firemonkey.
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answer58
viewsCan the entire variable receive a conditional value?
I have a situation where something like this happens: procedure FrmTeste.Teste; var iSinc: LongInt; const ACAO_PROX: LongInt = $0008; begin iSinc := iSinc or ACAO_PROX; end; I couldn’t figure out…
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answers459
viewsHow to turn off Android virtual keyboard suggestions
Needed to disable the suggestions that the Android virtual keyboard searches. Does anyone have any idea how to do? Usage Delphi XE7