2,103 Topics

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Member Avatar for Keph

Hi guys. I'm trying to familiarize with Delphi as better as possible. And now I've started flicking through the Delphi Demos to get more info about Delphi's features and possibilities. But unfortunately some demos do not have any description or comments. So now I can't figure out what the next …

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Member Avatar for gerhardjl

Hi, Can someone assist me to locate a Serial Comms Package for the old Delphi V5,6,7 (early 2000's) ? I wish to do basic comms IO routines. I used to have a package called CPort(V.3?), but my pc crashed and I was unable to obtain it again. Maybe there are …

Member Avatar for marsheng
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Member Avatar for janevblagoj

Hello, I work in Delphi 6 a few years. Now I was beginning in Delphi network and I need some source code For following things: I want make chat application which to have two peer to peer clients But I don’t know how I to measure time for two clients …

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Member Avatar for x DeaDLy

Im making an Anti-Leak for my program. Have created the function already that checks the hardware ID and every but i have a problem! How can i add multiple hardware id's in one string. Example: HardID : String = "MY HARDWARE ID"; Where the "my hardware id" is that's where …

Member Avatar for sknake
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Member Avatar for revski

Hi please help me. On my form i have a memo and 2 buttons, one is to load a .txt file into the form the other is to save. I want to use these buttons using the VistaSave and load dialogs. The save button i want to take the contents …

Member Avatar for FlamingClaw
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Member Avatar for victorxata

At first, I want to present myself. Nice to meet you all. I am implementing an app with Delphi 2007 + Firebird 2.1. I use TMS Components because I like the aspect of MS apps and I'd found this pack as the better. I like also usability of MS apps …

Member Avatar for Duoas
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Member Avatar for dorkwad

Hi, I have an old legacy application developed by someone else many years ago that we use day to day in our business. My boss would like to update the logos and images used within the application to give it a re-vamp. I do not know what the program was …

Member Avatar for Duoas
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Member Avatar for squeege321

Hi All, I work on a software package that prints checks, among other things. I want to verify that a particular font is installed on the system before I allow the print, because if its not there it defaults to Wingdings, and checks don't quite look right with Wingdings :) …

Member Avatar for Duoas
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Member Avatar for Nowayz

Was recently asked to convert some code, but I have a minimalistic ammount of knowledge of delphi and I wasn't able to convert this code. If you could help me out it would be great. [code=c++] void TypeStr(char *lpszString) { char cChar; while((cChar=*lpszString++)) // loops through chars { short vk=VkKeyScan(cChar); …

Member Avatar for Duoas
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Member Avatar for turbomen

Dear Sir, I have got confused to the real / integer. Would you mind helping to express it to me? I have got the answer of the following question: Write a menu system for the currency exchange program. My menu could look like this: Exchange rates How much money would …

Member Avatar for turbomen
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Member Avatar for turbomen

Dear Sir, It is a simple example using a string. [code] program dowhile; {$APPTYPE CONSOLE} uses SysUtils, OurCrt; var my_words : string; begin my_words := ''; writeln('Enter some words (type "stop" to finish):'); readln(my_words); while (my_words <> 'stop') do begin clrscr; Writeln('You typed:'); writeln(my_words); writeln; writeln('Enter some words (type "stop" …

Member Avatar for turbomen
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Member Avatar for fromb

I had a hard drive crash and stupid me haven't made backups for at least a year. I had several projects for which I used Delphi 5 and have lost all the code. Is there any way of getting the code back by un compiling the exe file?

Member Avatar for Duoas
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Member Avatar for yassar

Hi, I am modifying a software in delphi, The software is in Turkish, but it cannot show special Turkish characters properly. Can anyone help me solve this problem.

Member Avatar for yassar
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Member Avatar for Thew

Hello, I have a small question. I have done some projects in C++ and Delphi. In C++, when I work with classes, I always use pointers.I make functions and classes that takes pointer to a class as an argument. But in Delphi, like this example: (some class).Create(Owner: TComponent) function take …

Member Avatar for Thew
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Member Avatar for turbomen

Dear Sir, I have got a serious problem to understanding of the answer. The question is: Create the first half of a game of rock, paper, scissors. Ask the user for R,P or S. Get the computer to generate 0,1 or 2. Now convert the computer's number to R, P …

Member Avatar for FlamingClaw
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Member Avatar for MrBaseball34

I use TRegExpr v.0.952 and now i want use RegexBuddy, but i can't replace code. Can u help me? [CODE] var Temp: TStringList; Index: Integer; regex: TRegExpr; begin Temp:= TStringList.Create(); regex := TRegExpr.create(); regex.Expression := '(?m)(?g)^ftp:.+'; try for Index:= 0 to FList.Count - 1 do begin regex.exec(FList[index]); if (regex.Match[0] <> …

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Member Avatar for Salem
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Member Avatar for turbomen

Dear Sir, Could you tell me how can I do this question? Write a program that will readin three numbers nd output a message indicating whether or not the numbers were entered in ascending numerical order. (Equal entries are regarded as being in order, e.g. 4 4 5 is OK). …

Member Avatar for FlamingClaw
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Member Avatar for revski

hi, just a quick question can somebody please tell me how to restrict the output of the code below to 2 decimal places. [code]VolumeCalc.Caption := FloatToStr(StrToFloat(EngineSizeVal.Text) / 2 / StrToFloat(CylNumVal.Text));[/code] thx for the help.

Member Avatar for revski
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Member Avatar for turbomen

Dear Sir, Please find the attached document for your reference. Could you tell me what is wrong of my answer? [code] program Project1; {$APPTYPE CONSOLE} uses SysUtils; var balance, posNeg, positive, negative: integer; begin randomize; writeln('Get average balance'); balance:=random(10000); posNeg:=random(2); if posNeg=0 then begin balance:=balance*-1-30; end else begin writeln('Positive balance.'); …

Member Avatar for FlamingClaw
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Member Avatar for airefrais

Hi, I am doing my Final project on audio applications using Delphi and I would like to get a pascal (Delphi) programme on reading, modifying (amplitude of a wave file) and saving the resulting wave file. My purpose is to generate sine waves at different Amplitudes at 24 or 32 …

Member Avatar for mediastar
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Member Avatar for revski

Hi i have another question this time about mathmatical calculations in delphi. i have 3 labels on the form. Label1 is formatted like this 200/50, i need to use both parts of this caption in the calculation, the calculation needs to be 200 * .50 the 2nd Number in the …

Member Avatar for FlamingClaw
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Member Avatar for revski

hi, i havent been programming in delphi long so sorry if im being stupid with this question. my application basically has a trackbar which alters the value of a label caption. and 2 text boxes. that value of the 1st text box is the Caption of the label * the …

Member Avatar for andre.vanzuydam
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Member Avatar for DUST.ZHU

I create an application with three threads(access oracle database by bde tquery) main program:random select,insert data;cycle:10S thread1:random select,insert,delete data;cycle:10s thread2:random select;cycle:60s thread3:random insert;cycle:20s five errors occur between 24 hours,longest interval:12hours;shortest interval:0.5hour, error as following: "Lost communication with SQL server.ORA-03113:..." "General SQL error. ORA-03114:..." ping database is ok during error; the …

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Member Avatar for turbomen

May I ask you a question on Delphi? The following is my question: Write a program that asks for two numbers from the user. Add these numbers together and store them. Then output to the screen the equation with the correct answer. Eg please enter a number 28 please enter …

Member Avatar for turbomen
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Member Avatar for akulkarni

i wish to print something like this ******** r ******* er ter uter puter mputer omputer computer where * is a blank space for each line i used array of strings String []s1=new String [20] for 5 blank spaces i used s1+" " + " "..+(5)"" then 4 blank spaces …

Member Avatar for VernonDozier
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Member Avatar for BradenMurphy

Heya, I would like to know how to pass a packed record in delphi into a C# dll procedure. Any ideas?

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Member Avatar for mauimaui346

I am writing a program for a college assignment to compute grades of students. the code compiles ok, but i keep getting a runtime error 2. can anyone help? [code] {Author: George Brandon Miller} {Program: Grade Report - Compute the grade point average for students} Program Grades; var { misc. …

Member Avatar for FlamingClaw
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Member Avatar for snuppy
Member Avatar for snuppy
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Member Avatar for havejeet

Hi all, I want to send automatic mail from my Delphi application with attachment without invocation of any client tool like outlook. Actually My application runs as a windows service and every 5 minute generate some response files. I want those files to be mailed automatically. But how do I …

Member Avatar for havejeet
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Member Avatar for rockinsteve

Hi. I am new to the site and not too clever at Pascal (beginner). I need to be able to get an IP address, then compare it with one I want to use then if the address is the same run a program if not quit. This is to get …

Member Avatar for rockinsteve
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Member Avatar for krokodajl

Hi Everyone! I have a wired problem with print preview in Delphi. When I am invoking a PreviewModal procedure on QuickReport object Preview page appears. But sometimes [B]printer setup[/B] and [B]Print[/B] icons are inactive. Colud someone explain me this situation? Best regards

Member Avatar for krokodajl
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Member Avatar for KenTheFurry

Well I have been making bots for a few sites for a while. But for this new site it uses frames and when ever I try to get anything from the frame I a 'Access Denied' error. Even when I try to use the Frames to get info from the …

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Member Avatar for DjiXas

Hi all, I am wondering if it's possible to change the order of elements? Added few check boxes and then GroupBox. However, groupbox is under checkboxes which makes them not visible. How do I change that? There must be a better way than just recreating groupbox first and then checkboxes.

Member Avatar for DjiXas
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Member Avatar for patrick k

Hi everyone! I'm trying to learn C from my dad's old college textbooks, and I'm doing some of the problems he had to do. This problem is meant to calculate the number of days between two dates given by the user. I made a function to account for leap years, …

Member Avatar for Ancient Dragon
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Member Avatar for Thew

Hello, I want to ask you if there is some way how to print visual components like TButton with TPrinter? I've seen only examples how to print images etc. (which contain TGraphic). Thanks

Member Avatar for mediastar
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Member Avatar for anandkrishnantc

Hello, I want to invoke oulook mail from my code in Delphi. It should be like if user select a menu option "Send Mail" , the new mail message window should appear . If outlook is not running aleady, it should start Outlook also. MS oulook 2003 and 2007 only. …

Member Avatar for mediastar
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Member Avatar for manutd4life

hello every1 i made a factorial program and the only thing i need to do is to validate: Whether it is empty or it contains letters Here's the code: [code=pascal]program factorial; uses wincrt; var counter:integer; number:integer; total:longint; Begin write('Enter your number '); readln(number); total:=1; counter:=1; while (counter<=number) do Begin total:=(total*counter); …

Member Avatar for mediastar
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Member Avatar for lewigi2012

Hello I'm making a program where the user will be able to organise their orders so they see which ones are complete and incomplete. I want to allow the user to be able to delete an entry from a file (*.txt) as this will be used in two ways: 1. …

Member Avatar for FlamingClaw
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Member Avatar for BradenMurphy

Hey, I would like to know how to only allowing one instance of a program to run at once. Ie: You can't run the application multiple times creating multiple processes. I only want to allow one instance of that application to be running at any given time.

Member Avatar for mediastar
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Member Avatar for Uday Branwal

I have licensed of Delphi 2006, but unable to register it. When i try to run it its getting me to the registration wizard, there i am putting serial # and autho. key. but still saying invalid licensee or user. Can someone please help me out of this issue. Appreciate …

Member Avatar for andre.vanzuydam
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Member Avatar for Brent720

I am having an inordinate amount of difficulties locating an example of how to display Unicode using Lazarus and FPC. It's supposed to be fully UTF-8 capable now, yet all I get are question marks for text strings, or else little skinny boxes in place of the characters. Can someone …

Member Avatar for Brent720
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Member Avatar for BradenMurphy

Hi, I'm using CodeGear RAD Studio for compiling a delphi.NET application. Is there anyway to check what .NET version is being used to compile the application and how would you set the .NET version for compiling?

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Member Avatar for lewigi2012

Hello. I'm making a program for my friend who is running an RPG Adventure at his school. I'll explain the basis behind the program and then what the problem is. Basically, before any battle, each player is required to roll a d12 and add their Battle Initiative Value (BIV) to …

Member Avatar for lewigi2012
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Member Avatar for CTBC

How do I create custom colors? I do not like the color for the clRed, nor the clMaroon. I want a red that is the same color as this hex value: #AA0000. This will help a lot to make the form look exactly how I planned it. Thanks,

Member Avatar for FlamingClaw
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Member Avatar for killhha

so lets say i have a program and it keeps on outputting the letter 'A' constantly until the user presses enter or something. then it will exit the loop and continue with the rest of the program. how would i do this?

Member Avatar for killhha
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Member Avatar for CTBC

I have a form where there are 2 buttons, one which randomly adds buttons onto the form, and one that resets the form to default. When the form is opened there are two buttons, but after clicking the random button, there are many buttons. For the reset button, I currently …

Member Avatar for sknake
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Member Avatar for Chris1971

Hi All, this is my first post as a member of the forum so firstly nice to meet u all, secondly if this posted in the wrong place, many apologies Admin. My problem and query is this I have been asked to find out the most appropriate language for a …

Member Avatar for sknake
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Member Avatar for rockinsteve

How do I get these 2 programs to work together (ie have one call the other.) Thought of using the first to call the external one but then thought it better to combine the 2 ????? Can't seem to get it working yet the second one works on it's own. …

Member Avatar for FlamingClaw
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Member Avatar for turbomen

Dear Sir, Could you tell me what is wrong of my program? The question is: write a progrm that totals up a list of exactly 100 numbers and outputs that total to the screen, also show the average of the 100 numbers. My program: [code] program Project2; {$APPTYPE CONSOLE} uses …

Member Avatar for FlamingClaw
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The End.