937 Topics
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 | Hi guys/gals Ok here is my problem, when importing data from excel using ADO, delphi doesn't seem to be able to import mixed column values...e.g. the column is formatted to integer and the integer values correctly import into delphi, but the same column contains string values it imports nothing or … |
| | I am designing a lot of TCheckBox at runtime, and uses mathematical formulas for placing these in columns and rows afterwards on a form. I assign an on click event that is exactly the same on all of them, and everything work, except... Color. My OnClick event is made like … |
| | Hi there, I am a Delphi guy and I am a bit new to C++. I have this annoying error when I try to compile and I have no idea how to solve this: [B]error: request for member ‘GetVector’ in ‘gff’, which is of non-class type ‘TGff_File*’[/B] on line #20 … |
| | Hi everyone I'm trying to connect and display data in a TDBGrid (component) from an .mdf (made in sql) and connect it to a Delphi application. the .mdf is on the desktop and my databases name is Attach. If anyone has any clues or advice please let me know! Many … |
| | Hello guys, basically I have two Delphi applications which I want to communicate and work with each other, the only problem is I don't know how. Can anyone help me create a as simple as possible programs so that when I press a button in the first program, it would … |
 | Hi all, Can someone tell me if this is a delphi bug? I am using a Controls.TDate to store a date and using the SysUtils.EncodeDate function to set the value. [code] Invoice.DateReceived := EncodeDate(2011, 03, 16); [/code] When I store it in a MS SQL database field, it is adding … |
| | Hello! I have a little project of my own to convert a memory game puzzle from VB.Net into Delphi (Not a big Delphi fan). I was doing fine so far until a control would not be recognized (outlined in red and green). It is an imagelist containing 8 images. [LIST=1] … |
| | I have problems to play video files from different cameras with the media player supplied with Delphi. Does anyone know of a free compnent that I could test in stead? |
| | Hey all, I'm currently having a file I want to open using a program. The system does NOT have the file-extension associated with said program. However using the standard "let me choose what program to use" box when trying to open the file and selecting the program it runs just … |
| | Any ideas on detecting the current version of the MySQL ODBC driver? Currently I am reading the registry to obtain the version: [code=delphi] Function MySQLVersion:String; Var TR : TRegistry; SL : TStringList; I : Integer; Begin Result := 'ODBC 3.51'; // Default version SL := TStringList.Create; TR := TRegistry.Create; TR.RootKey … |
| | Hi people , I have an easy question(but lack the knowledge in Delphi), I have a piece of code that i want to run but don't want to type it over for every time it has to be run (not very good coding then). Is there a way i can … |
| | Hello, I am currently using Delphi Prism to try and extract file properties. Below is the code I am currently using which should work, however, the compiler generates an error: Error 1 (PE190) "DSOFile.OleDocumentProperties" is an interface and cannot be instantiated C:\Users\Zumla\Desktop\Comp4\.Net Project\Computing4\Computing4\Main.pas 114 63 Computing4 Help would be much … |
| | Hi guys The just of what i whant to do is read lines of text from a file until it reaches a delimiter and then execute that text in a query and repeat the process till there is no more text. I am using Delphi 6(don't have a choice) and … |
| | We have a Delphi app that performs user authentication using the activeds.dll library. However, when running on a 64-bit server, even though the WOW64 processing thunks the library to use the psuedo-32-bit version, we're consistently getting an app crash when attempting to use the library. Any helpful suggestions? Thanks |
| | A "normal" Delphi snippet: [CODE]Procedure help_me1(Sender: TObject); BEGIN {100 lines of code} END; Procedure help_me2(Sender: TObject); BEGIN {100 lines of copy and paste code} END;[/CODE] [COLOR="Green"]How can I make this so that I end up with ONE procedure with 100 lines of code?[/COLOR] [CODE]Procedure much_reuseable_code(choice:BYTE); BEGIN {100 lines of code} … |
| | I am not showing all the code it is not necassary. TheInternets : TWebBrowser; I wrote a program to navigate to a server that my friend has up. Then it should get a result and display it. This takes about a second to execute which is really bad for my … |
| | Hi, Does anyone know a simple way of extracting file information such as that shown in the details tab of file properties? I am new to Delphi and I don't have much experience, codes on the internet which I have found are not very helpful and only successfully extract file … |
| | Hi everyone Im trying to take my SQl and "SCRIPT" it to a .sql file(accomplished) and add it to my Delphi(accomplished) and then [U]connect them[/U] and show the data in a TDBGrid but seem to be battling. The .sql file adds and creates the Database in delphi but I don't …  |
| | Hi Everyone, I am having some trouble with the libmysql.dll file in Delphi 7. When I try to connect to a database with the dbexpress MySQL driver, i get the error "Unable to load libmysql.dll". I have tried the following to resolve my problem: [LIST] [*]installing different versions of MySQL …  |
| | Hi, I am a newbie (retired social worker) using Visual Basic 2010 Express edition and need some help with an animation for an eLearning lesson. The animation illustrates a type of white noise (like TV static) called dynamic visual noise. I've got much of the code worked out (with a … |
| | This is a trivial question that Im having a blonde moment over. Been a while since I did any serious programming, Ada, Pascal, C etc etc I have two forms created at design time. Form1 and Form2. Form 1 has a button which when clicked should open Form 2 Could … |
| | HI..I'M DEVELOPING AN APPLICATION USING DELPHI. NOW, I AM CONVERTING MY APPLICATION TO SERVICE TYPE BUT IT HAS ERROR. THE ERROR IS IN THIS CODE "Application.Exename". NOW I JUST WANNA ASK, WHAT IS THE EQUIVALENT OF "Application.Exename" IN SERVICE? THIS CODE IS WORKING ONLY IN APPLICATION TYPE BUT NOT IN … |
 | I am attempting to run a delphi 7 developed application on a windows 7 64bit laptop. I've placed the redistributables in the system32 folder, like always. the application has been installed in the program files (x86) directory (it didn't work at all under the program files directory) when I go … |
| | I have a program for data acquisition and process control. I use TeeChart for real time plotting of data. I also have a legend window on top of the chart. I can print or save to disk the TeeChart, but would prefer to print/save the entire screen including the legend … |
| | Hello everyone, I am using Delphi2010 and I'm trying to do an insert into multiple tables. I don't know the best way to do this. What I'm wondering is if there is a possible way to do one insert using one of Delphi's tools like the TQuery or TClientDataSet or … |
| | Well guys.. Here goes my first post here :) I've coded few ECC methods that are very frequently used in Cryptography. I've tested the code with the examples posted in certicom website & it works well. But then I implemented ECDSA_Sign() --> Elliptic Curve Digital Signature Algorithm using my own … |
| | hi,is there a delay function in delphi?coz' i dont want to use sleep because sleep is not doing right it hangs the program. |
| | This seems to work well until I try to create the 11th button. Any suggestions? [CODE] procedure TForm1.FormClick(Sender: TObject); var nb: TButton; begin Inc(n); nb := TButton.Create(Self); nb.OnClick := ButtonClick; SetLength(ca, n); ca[n] := nb; ca[n].Left := 8; ca[n].Top := (((n - 1) * nb.Height) + 8); ca[n].ParentWindow := Form1.Handle; … |
| | Just a bit about myself, I guess. Having grown up in South Africa in the bad old days, Im now live in Wellington, New Zealand. The stats: 1 wife 2 kids 1 car 1 house 0 mortgage 1 life The background: I came to programming from a mechanical engineering background … |
| | Hi, I'm trying to learn delphi. I'm writing a binary tree unit and so far I only have insert and check size. I'm having trouble with inserting a new node into a nonempty tree. Got access violation at runtime and while in debugging mode, the value of sRoot^.Data is in … |
| | hi!I have a problem. There's the Access database embedded into dbrid using ADO. In db there is a list of goods,quantity and countries where goods were produced Now I have to build a diagram for db, for example for countries. It works quite well but the diagram shows EVERY good, … |
 | There are lots of stand alone programs (sqlitespy, sqlitestudio, etc) that give you nice spread-sheet style access to tables: [url]http://www.yunqa.de/delphi/lib/exe/detail.php/products/sqlitespy/sqlitespy.png?id=products:sqlitespy:index&DokuWiki=2oa8egb90q7fck3t3q2uk9nv61[/url] but does anyone know of a web based way to do this? Thanks, David |
| | Hi people, I'm trying to make a program that reads and counts words and their frequency. After a few days trying I just make the program read a text, counts the words and everything BUT just if there's no more than one ' ' space character at a time. And … |
| | Hi, I want to sort a TStringList but not by the strings in it, but by the Objects. Here's my code: [CODE]var i : integer; iCount : integer; idxFound : integer; someText : string; s : TStringList; oneWord : string; aux : integer; begin someText := memo_txtfile.text; oneWord := ''; … |
| | SetAutoSubClass() has been deprecated in newer versions of Delphi. Can anyone tell me what to replace it with ? I cannot find it in the Delphi 2009 OLH, nor in the VCL source (Forms). |
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| | I have a string and i want to copy at specified memory location. Suppose i have a pre-allocated memory represented by char* logFile (unsafe code) I have a generated string which contains the name of log file. I want to copy that string on location represented by char*. Please help … |
 | Hi, I have a fancy animated GIF loader that I want to use in projects, but the problem is that the image is only 48x22. Is there some way I can tile the image horizontally to lengthen it? The only solutions I found on the web was with bitmap images. … |
| | If programA starts Delphi programB, is there any way that programB can determine whether it was started by programA or by some other program? |
| | Hi, New to programming. I have three Editboxes and a button - I would like to know how to make Button1.Enabled := true when all editboxes have at least one character of input and := false when even just one of the editboxes has no imput in it - is … |
| | Hi, I have PIC32MX795F512L. I have used the "USB Host - MCHPUSB - Generic Driver Demo - PIC32 USB Starter Kit II.mcp" Firmware. I am very new to Delphi. So I have copy and paste the code from [URL="http://www.sixca.com/delphi/article/microchip_usb.html"]http://www.sixca.com/delphi/article/microchip_usb.html[/URL] It is working fine. I want to use the UPDATE_LED (change … |
| | Hello all, I am new to MYSQL programming, although i have been working with MSSQL for a while now. I am using delphi on a project and the query below does not return any results, just cant find what is wrong with it Select Airwaybill, SDate, BLAccount, RCountry, PackageCodeDesc, TotalWeight, … |
| | Hi , please I am a student in economy so I don't know any thing about programming but we have Delphi course in our courses. so the doctor request from us a small project from every student and it is 25% from 100% from all marks in the course. so … |
 | Greetings! So if I wanted to open a PE executable file whilst on Windows and add a text resource to it, how could I do that in Python? I've asked this question before on another website and got the answer 'using the pefile module' however it has poor documentation and … |
| | Hello, am currently using overbyte sockets in delphi and am wondering what is the best way to send code commands ? am currently using in my system [code] sendstr('comand'); [/code] but am wondering if there a better way more stable and faster? thanks for the advice! |
| | I'm in the process of converting a legacy app from D5 to D2009. I'm getting errors on AnsiToNative, NativeToAnsi (both DBTables) and DbiOpenSPParamList (BDE). Apparantly the parameters for these functions have changed. Does anyone here have a ready example on how I should use these in D2009 ? I was … |
| | I hope that you folks can help? I have ten IP cameras strategically located around my property. I capture video from these cameras with no problems. The cameras have the ability to pan and tilt, if I send commands to them. I can send something like the following to the … |
| | Hello, I have this C++ code, I dunno how it works.. Anyway, I'd like to have it translated to Delphi. If anyone can help me out, I'd be glad. [code] typedef void (*t_ChatPrint) ( char * ); t_ChatPrint ChatPrint = (t_ChatPrint)0x0054E410; void ChatPrintf( const char *format, ... ) { va_list … |
 | Hello everyone, I have been programming in C++ for a while although I am not an expert yet, I would like to take a small break and learn another programming language that's a tad easier and I decided on Delphi. I looked for the stuff I need to no avail, …  |
| | Well, I recently acquired Delphi for no apparent reason /shrug. And since I'm about to start learning a new programming language (haven't decided which one), I was wondering in Delphi uses Pascal. And if so, what can be done with Delphi/Pascal. What are some good resources for Pascal/Delphi. Online references … |
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