Questions tagged as 'delphi-xe2'

Tagged questions
1
answer

How to validate DBGrid fields before saving?

I have DBGrid , but I want it to validate the fields before saving to the database. I think I have to use the BeforePost event, but I have no idea how to do it. Could someone give me a tip?     
asked by 16.03.2015 / 04:44
1
answer

Insufficient memory with ClientDataSet.SaveToFile

I need to generate a XML file of a table of 500,000 rows and 200 columns using ADQuery of FireDAC and TClientDataSet saving with ClientDataSet.SaveToFile(Arquivo). I need to write with ClientDataSet to rem...
asked by 11.03.2016 / 18:54
1
answer

Exception EExternalException in module ntdll.dll at 000xxxxx. External exception C0000026

When trying to debug software on Embarcadero XE2, the following error occurs: Exception EExternalException in module ntdll.dll at 000xxxxx. External exception C0000026 I noticed that this occurred after upgrading to Update 4.     
asked by 30.03.2015 / 04:56
0
answers

Antivirus blocking access to the camera

I have problems accessing the WebCam through Delphi, so I searched the internet for some components and found the following that I left in the link below: DirectX Delphi WebCam Capture Example However, my antivirus still keeps blocking a...
asked by 04.05.2017 / 15:35
1
answer

Add an A3 certificate to the TIdSSLIOHandlerSocketOpenSSL component

I would like to know how to integrate a digital certificate of type A3 into the TIdSSLIOHandlerSocketOpenSSL component. I have been able to perform the search part and choose which digital certificate to use, but I am now having difficulty...
asked by 25.04.2016 / 20:25
0
answers

How to register a Delphi Dll on Windows XP?

I need to register a dll with Delphi (xe2) in Windows XP, but when running the method windows opens a "Run As" window where it needs to indicate the user who will perform the action. Even my user being an admin on the machine. I used the foll...
asked by 15.07.2015 / 19:27
1
answer

Avoid image blinking when timer is used

I have a background image in my application, but it gives the impression of blinking due to the use of Ttimer that the application has. I tried to change the interval of Ttimer but the problem persists. Any tips on how to sol...
asked by 03.02.2015 / 19:35
0
answers

Using Telnet with IDTelnet (Delphi)

I'm trying to use telnet through the idTelnet component. FTelnet := TIdTelnet.Create(Nil); FTelnet.Host := '127.0.0.1'; FTelnet.Port := 1024; FTelnet.Connect; // Login FTelnet.SendString('TEST'); FTelnet.SendCh(cEnter); Sleep...
asked by 13.07.2018 / 21:50
0
answers

How to create properties of similar components RowSpan, ColSpan Delphi with GridPanel

I am creating a component inheriting from the gridpanel. When I add a label, edit, or other component on the gridpanel, the edit, label ... component appears in the Row, Col, RowSpan, and ColSpan properties. How do I create a new property equal...
asked by 20.04.2018 / 20:08