Most voted "delphi-10" questions
Use this tag when the problem refers to Delphi that is part of Rad Studio 10.X, be it Seattle, Berlin, Tokyo or Rio.
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answer264
viewsHow to move Form with Borderstyle in bsNone
How do I move the form after setting the property BorderStyle = bsNone? Because on the edges I can’t drag the form with the mouse.
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answers67
viewsHow to save a capture the mobile screen on a bitmap?
I would like to capture the entire screen of the phone, but what I’ve achieved so far only captures the control passed in the function parameter. follows the code below: //USO: var B: TBitmap; begin…
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answers375
viewsFormat Date by Capitalizing the Month
I know there are several other topics of date formatting but I did not find one with my doubt... According to the documentation of Delphi the date is formatted according to the table below. d…
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answers98
viewsTdbgrid with Multiselect selected with one Click
I’m going through the following problem with a TDBGrid. That one TDBGrid is with the option dgMultiSelect active. The problem is, I want, with one click the line to be selected as if it had pressed…
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answer60
viewsChange Property in Run Time
How can I change the property TRectangle.Align in Runtime Delphi 10.2 using Firemonkey for multi-platform application?
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answer1915
viewsHow to read a file . Json by Delphi
I’m having trouble reading a file .Json by Delphi. My intention is to read and paste its contents into the database. I already visualized some links more not one answered what I wanted. Dry the…
delphi-10asked 5 years, 5 months ago Edu Mendonça 2,564 -
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answer155
viewsRun Oncalcfield only when pressing [Enter]
I have a DBGrid which searches several records recorded in the table just when the form is opened, this should show exactly everything that has saved in the table. There are some fields calculated…
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answer475
viewsWhat is the best way to clear your memory when using Lkjson in Delphi?
I’m having trouble wiping the memory data when I use Lkjson in Delphi. I tested using Freeandnil, Free, Destroy and Freeinstance. In some cases I get the following message when closing the…
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answers51
viewsRead the Selectedvalue property of a Combobox with Livebindings
I need to recover the value of the property Selectedvalue of a Combobox that is connected to my table through Livebindings. I have seen suggestions to connect the Selectedvalue to the TAG property…
delphi combobox firemonkey delphi-10 bindingasked 4 years, 7 months ago Christiano Ribeiro Soares 108 -
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answer49
viewsCreating Run Time Components in Windows Service
I’m trying to make a Windows service in the Delphi 10.2 and in one of the procedure I need to create a TMemo only when I execute this error below. Project AutoPub.exe raised exception class…
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answer132
viewsBreaks lines in creating the . pdf with Synpdf
My question is this. I have a String with more than 6000 characters and need to put the contents of this variable in a file .pdf. only that saved to pdf the text is in a single line, it does not…
delphi-10asked 5 years, 1 month ago Edu Mendonça 2,564 -
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answers23
viewsWhat is and what is the GDI Scaling for
I just installed the newest Delphi and I realized this GDI Scaling Someone knows how to say it is, what it’s for and how it works?
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answers89
viewsError leaving the Formshow
I’m trying to figure out a mistake that I don’t know exactly where it’s generated. whenever I have to open one of the screens of the system it passes by 2 Procedure, (I go through them just below)…
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answer36
viewsHandling of temporary text files
I am trying to manipulate a text file on my system, in it will have to contain the name of the machine that the system is running. Only I can’t write in that file. Ps: The purpose of this file is…
delphi-10asked 4 years, 11 months ago Edu Mendonça 2,564 -
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answer57
viewsClose a form is closed all
I have 2 Forms in a Delphi application. When I open the system to register I open the two Forms, the main and the registration. The problem comes when I try to close the registration form because it…
delphi-10asked 4 years ago Edu Mendonça 2,564 -
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answers60
viewsDelphi: Internal Error: AV004C8D4A-R00000020-0
I got the following error when compiling a project in Delphi 10.2.2: [dcc32 Fatal Error] Internal Error: AV004C8D4A-R00000020-0. I found nothing regarding this error code. Would anyone know what…
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answers195
viewsDelphi Seattle Problems with Sockets
[Delphi Seattle] I have a Unit that has uses in Sockets (from a source that was in Delphi XE2), uses does not recognize.. does anyone know how to proceed? Obs: Ai without these uses I have more…
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answers214
viewsSocket Bluetooth Windows - Can’t connect to device:(10049)
I am having socket error problems with code 10049 when I try to connect a bluetooth SSP device, serial port service, in Delphi Tokyo 10.2 in Windows environment using a Tbluetoothsocket class. Error…
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answer206
viewsIs there any way to hide the scrollbars from Tlistview?
Would have as Withdraws or Deactivate or Hide the Scrollbars vertical of TListView I didn’t find an option for this in the Object Inspector. When I put in the ViewStyle vsReport there appears a…
delphi-10asked 5 years, 9 months ago Edu Mendonça 2,564 -
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answers49
viewsUnit JV build error of D2010 p/ Tokyo
I’m trying to compile a system that was developed on D7, but it’s running on D2010, now we’re converting to Tokyo, when I try to compile the system I get the following error msg:…
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answer147
viewsPopulated sqlite when install apk
When I compile the app directly on mobile Sqlite comes empty (exactly as is the file in the path specified for DB) but when I use . apk generated in the same compilation he populates the DB…
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answers148
viewsProblem closing app on Android when many screens are open
Before starting the App I need to do some validations, so I created a Splash screen where they are made. So to prevent the user to return to the Splash screen when he presses the back of the device…
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answer226
viewsInterbase database connection error
Good afternoon, I’m having trouble configuring the database connection in Delphi 10.3 Community Edition. I am trying to connect to Interbase by Firedac and gives the error below when testing the…
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answer249
viewsCalculated field is not editable in dbgrid
I have a DBGrid, one FDQuery and a DataSource that bring values from a table. In this FDQuery I created a calculated field of the type Integer called mult. The purpose of this field is for the user…
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answer191
viewsError: interface not supported. Delphi 10.2 Tokyo
Error while trying to save Delphi 10.2 tools=> options window I’ve tried reinstalling the IDE image to see if it’s resellery. I can only close the window if "Cancel" the operation. Does anyone…
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answer1160
viewsDelphi Rio 10.3 - Google Play API 28 Level
I’m trying to publish an APP on Google Play and Google Play is returning me the following message below: "At the moment the desired level of your app’s API is 26. However, this level needs to be at…
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answer148
viewsHow to pass more than one parameter in REST DEBUGGER
Good afternoon.. I created a Rest Server -> File -> Others -> Delphi Projects -> Datasnap Server -> Datasnap REST Application. In Unit Servermethods I created a Function..:…
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answers62
viewsCan’t enter Memo by clicking the mouse
In my project I have a TMemo and a TDBMemo, all of them have implemented an input and output event of the component, from a while to here began that error of not being able to enter the memo by…
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answer29
viewsHow to Disable one of the items in a Tlistbox!
I wish I could be Disable one of the items in a Tlistbox. And I’ve tried the following ways and I haven’t succeeded. ListBoxMenu.ItemIndex(0).Enabled := False; ListBoxMenu.ItemIndex[0].Enabled :=…
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answers13
viewsAuto increment build number does not work
I have these settings for version information when building my Delphi 10.3 project in Field Builder 2.1.745.3. Even if the "Auto increment build number" is checked, the number never increases. How…
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answer87
viewsSend to API via POST Request in Delphi 10.3
Good evening Guys, I’m a beginner in Delphi and I’m trying to send a creation request for an Api but I’m having some difficulty with the POST. How do I send this? I’m trying for this API:…
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answer23
viewsHow to Disable a Tbuttongroup Item
I was wondering if there’s a way enable / disable the items of a Tbuttongroup or at least add the property to it? And I’ve tried it in the following ways.…
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answers3
viewsFields do not appear when uploading file. fr3 from Fast Reports
I have a report on Fast Reports version 6.6.15 of Delphi 10.3. In this report I have two datasets: Requests and Itenspedido (logically that are connected to their corresponding components…
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answer271
viewsAndroid Firemonkey virtual keyboard repeating words
We have an Android app that is experiencing typing problems after sending a message. The problem happens when we try to insert a new message, after typing the first character, Tmemo automatically…
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answers70
viewsInputado value does not appear
I’m having a doubt in an exercise where I have to show which number is the least or the most insane. But it’s not bringing the right result. Segue o código. unit Unit1; interface uses…
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answer84
viewsWhat would be the code to simulate the inverse of the tab
I have a project in which I open a form inside the other, and with this in the secondary Forms the Onkeydown event instead of going to the secondary Forms are going to the Main form, more if I press…
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answers1076
viewsHow to Connect to Database by Reading INI File
I need to make the console read the ini file to try to connect to the database at Delphi 10.2 I don’t know how to deal with Delphi this link is method where the database is…
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answer74
viewshow to leave a folder set for when to save? and a folder set to open files?
I would like to lock the folders, so that I could not fetch files or save files in other folders, only in the defined, EX Folders: c:\banco_de_dados and another call c:\FTP_Servidor In case it would…
delphi-10asked 6 years, 1 month ago Ronaldo Power 35 -
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answers535
viewshow to exchange the value of a cell in dbgrid
Good afternoon. I’m trying to change a cell phone T for Sim and F for Não, because the visualization on DBGrid this being T or F as shown in the Table in the database. I’ve made many attempts like:…