[delphi] Forum Topics

I remember the days when I programmed in assembler and managed to work very fast having complete control of my programs and not endlessly banging my head on the windows wall when dealing with the Microsoft side of my software. Below is an example of some code that is simply …

hello i want to print my customers invoice in dos print. the customer is using roll paper. for tearing purpose i have ejected some part of the paper. for the next bill the printer should automatically bring the paper where it has been teared. what is the code. i am …

Hi, I am sharing a tips on "Identifying Files From Their first 4 Bytes Or Magic Numbers" related to Delphi Sometime back I faced the task of having my application take file data from stream and save them on disk in their original format. Now, the tricky part was that …

What are the different posibilities of getting "Invalid floating point operation" in dephi applications?

Hi, im working on basic macro program. I want to select applications by window name and sending keys(f5 f1 etc.) to them basically. The problem is, sendkeys dont work on non-active windows. I search for this problem internet. I can get window names to combobox with; [CODE=cs]foreach (Process FFget in …

Hello, I have problem using StrToDateTime function from Borland in my project. I made a custom component, it's called Month view (calendar). One of the basic steps of the component's initialization is to set the default month and year. To do this, I use the "1/1/2010" string passed to StrToDateTime …

I am trying to convert a piece of code into Delphi but fall down when it comes to this example : [CODE] void __stdcall GetBuffers( short **xBuffers, unsigned long nValues) { ....... memcpy(TargetA, xBuffers[0], nValues * sizeof(short)); memcpy(TargetB, xBuffers[1], nValues * sizeof(short)); memcpy(TargetC, xBuffers[3], nValues * sizeof(short)); memcpy(Targetd, xBuffers[4], nValues …

need the solution for these [URL="http://light-bearer.nm.ru/0_help.jpg"]Click Here[/URL] need to be written into a code its for a friend of mine trying to finish class :) thank you very much

Hi all, When I click on the add button I get "exception class EdatabaseError with message 'DBedit2: Field 'RoomNumber' not found I am trying to get the max roomnumber to insert a new room max(roomnumber)+1 Its a fundamental hole in my knowledge here, on how to get a result from …

Hi All, I have cut this down to a simple example. The access file has a table called rooms which contains a description field of type memo I want to load this into a dbmemo (delphi 7) I run this by a button onclick event [code] procedure TForm1.Button1Click(Sender: TObject); begin …

I am looking for a way to extract an icon from a program and save it to a file, then load from the file and use again, keeping 32bit colors I have tried using ConvertTo32BitImageList() saving as file and stream When ExtractIcon() is used the icon is fine, I can …

I am trying to make an IP chat using TcpServer. As many people are behind a router, how would it be possible to connect to them directly? I know how to call up my external ip, and how to find out my internal one assigned by the router, but how …

Everytime btnSendClick is execute, 2 messages will be added to the rich edit. The first needs to be of fixed values (BOLD, size 8 etc) The second needs to be changable by the user using a FontDialog box. This is my below code, but it doesnt quite work, it pretty …

Hi, I searched for few days, and even if I see that there are people getting this error, I can't find a solution. I have an application communicating over the serial port. The application is written in VB6 and 2 PCs, one with XP, the other one with Vista. If …

Hi, Does anyone know how i can AutiFix (ie check that all tables and primary keys are setup) an SQL database? A company i was working for a few years ago had this facility on their software and i was really handy. Daniel.

Hi, Are there any web version of Delphi? It is because I cannot install the Delphi from my portable harddrive to the public computers. Cheers,

Can someone please help me - I need to write a function that will validate UK postcodes written in a textbox but every tutorial and example source code I find for it is in other languages such as VB and Javascript. The VB code looks extremely small: 1. Public Function …

Hello, after one delphi session every one of my single floats has been saving into a wordpad as this weird 2.73500000000000E+0003 2.00000000000000E+0002 notation, same goes with printing is there any way to reverse this ?

This is the code section from inno setup.My intention is to make two Checkbox where at a time one is being selected. But this code return error. procedure CheckBoxOnClick(Sender: TObject); var Box2,CheckBox: TNewCheckBox; begin if CheckBox.Checked then CheckBox.State := cbUnchecked; Box2.State := cbChecked; else //THIS LINE RETURNS AN ERROR: "Identifier …

I have just translated my delphi project to C#. I need a little help fixing some of the code I couldn't fix. One code I couldn't fix was xplode. Here is my source: [code]using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Threading; using System.IO; using System.Text; using …

Hello. I am using Delphi 2010 to build a small application that builds a very very simple database in CSV file format. I am using the Jcl and JVCL libraries (TJvCSVDataset, TJvDataSource and TJvDBGrid). I set up the fields ("Last Name", "First Name" and "Email"), where "Email" is the only …

I am trying to write a code that will launch the MSDOS prompt from windows and input a pre-set command line when i click a button, but am having trouble trying to find a proper way of getting it to work, if anyone could help me out, i would greatly …

Hi.. I have a report developed in Crystal Report v10. Using Delphi 7, I should be able to load an image file dynamically in the said report. The Image file will be available in the local specific path. The file name will be known based on the query result set. …

Hi, this is the first time i have ever used Delphi and was wondering if you could help me; i understand how to writeln etc. but I'm having trouble with programs such as making a program that requires the user to write a message, and how many times they would …

Hi All I'm about to attempt to write a library for communicating with a precision pressure transducer (PPT). The PPT communicates through serial port, with a relatively simple protocol. I have never written a .dll library before that has been used with another language. So I was wondering, is it …

Hi, I am using Delphi 7 and Crystal Reports 10. I have a requirement where I need to load a picture dynamically in the Crystal Reports 10. Actually, in Crystal Reports 10 we don't have the feature of dynamic loading. But, from Crystal Reports 11 version and above, it is …

i need rs32 component serial port commonent for dephi 7 . Please anyone help me

Greetings all, I've been programming local applications in Delphi quite awhile, but i only consider myself a so-so programmer... and i've never done anything server based. I also do a fair amount of web/PHP programming. That said, i'm trying to create a small program i can run on my Windows …

The delphi app should subtract two sets that would represent two graphs Hi there! I've got a problem that I can't solve. Can anybody help me? The app should subtract two graphs (in this case a graph is meant to be a set of points) here's the beginning. program assignment; …

I have some code in PHP which I need to translate into Delphi: [CODE]$xsl = new DOMDocument(); $xsl->load('http://www.fda.gov/oc/datacouncil/stylesheets/spl/spl.xsl'); $proc = new XSLTProcessor(); $proc->importStylesheet($xsl); $xml = new DOMDocument(); $xml->load($xmlFile); $domTranObj = $proc->transformToDoc($xml); $strHTML = $domTranObj->saveHTML();[/CODE] What I need to do is take a snippet of XML (from a database field), transform …

Hi all, I have a procedure which needs to be used by a wide range of functions. I have a created a very basic program which should highlight my problem : [CODE] program untitled; function addnumbers(num1 : integer) : integer; begin result := num1 + 3; end; procedure sequence(I want …

Is it possible to convert a python script into a compileble langguage. ?????

hi! I use client/server socket components to send a file. a client app sends a file and the server app gets it. I know how to display the copying progress in a progressbar when receiving data, but how can I display in a progressbar how much of the file has …

___Theme: PGF - the improved formatting; AUTOMATIC localisation / CORRECTION of structural ERRORS in initial codes Pascal and Delphi. ___ Keywords: debugging, formatting, support, reliability, visualisation, documenting, Pascal, Delphi, FreeWare. ___ Dear programmers. ___ Formatter of the programs initial codes, used in modern practice of programming, are based basically on …

Hi This is my first post and I am new to delphi so if this sounds like a stupid question I apolagize. I am trying to enter data into a Multicolumn listbox. I know I can use either the Tabwidth or mulitple columns but I cant get either to work …

how to change tooltip coordiates in delphi 3.0?

Hi friends... I have a series of points which are actually the points that form a circle... Can anyone help me how to get the circle image when i load these points as input... A simple code example will be helpful... Thanks in advance....

Author: [I] ================================================================================ Crt Unit Read-Me By: Will DeWitt Jr. (edge@boink.net) Mar 21st, 2003 ================================================================================ BRIEF NOTES AND INFORMATION: This unit was created primarily to support my development of console mode applications under Delphi. I've tested this unit and had it successfully works under Delphi 2, 3, 4, 5, 6 …

Hello guys.. Please help me on this.. I downloaded this file: [CODE]http://www.cproxy.com/download/cpsetup_en.exe[/CODE] Then I decompiled it using [B]Form Extractor[/B] Software.. But VB6 is the only programming language I know.. How can I convert Delphi to VB6? :(

Hi All, I wish to source a Std Serial Comms Component, hopefully freeware, for Delphi 6 or 7 Can someone pass a link or email me? [email]telkomgjl@telkomsa.net[/email] Thanks! Gerhard

hi, i am currently using delphi 2007, i am wanting to be able to add a image(prefrebly jpeg) into a access database. i have tried doing this but i cannot as when it adds i get several errors, or it does not insert correctly, has anyone made any code or …

Hi, I wish to source a 'StopWatch' Application (Prefer source re-compilable) with Start/Stop/Clear buttons. Anyone here done something like that and would like to share the code with me? I use Delphi 6&7 Greetings, GjL

Hay I'm new here...I was google surfing for hours looking for help and I found this:) I'm a young student doing my BSc(IT) grade. I'm a part time Delphi hobby programmer. Currently I'm a Dev at Evo-X and Doing a Application for them in Delphi. Kind regards Singlem

Hi, Can anyone help explain why, when I've created a simple VCL Form application, switching between this application and others sometimes changes the order of the application's forms. To recreate I did the following; Created a test app (delphi 2009) with a main form and 2 child forms, only code …

Say I have a file of string[20] . I can easily write to this, but as soon as I try to receive the data I get incompatibility errors. So I make a string[20] variable to see if I can read into it. I cannot. It just says incompatible types. When …

Dear ALL, Hi. Long time no see. How are you? I have come back to Programming class already. Could you tell me how can I start to VCL Forms Application if I use Delphi6? Cheers, turbomen

Hi Friends... I use Delphi 2010 application.. To do some calculation I load array of numbers into string grid but some times i have to make some of the rows inactive and do the calculations..Can any body help me out with a code to disable selected rows and do my …

I am just learning Delphi, I want to create a login using the form 1 and form 2, falidasi how if that's true of direct Form1 in form2, but if one does not enter into form2 but issued a message "error",,, or form2 as the main form so before entering …

Hi All, I have a application that uses Delphi 200 bpl files - I know these can just be put into the c:\Windows\System32 dir and all will work - but is it possible to put them into a directory under the Application eg c:\Program Files\ DGL-Apps\IMS\_sysbpl ? It is just …

hi, I'm fairly experienced with delphi however have come across a tiny problem, i have a create box known as Edit1 for my web browser, but the label on this is always edit1, before you type the text into it, how can i make this blank or at least edit …