You should specify where the code fails. So assign the return value of NetUserGetInfo() to a variable and print that upon failure like in the example code from the MSDN page for the NetUserGetInfo function (Windows)[^] which seems to be the source of your code.If you got an error code of...

C++Builder

How Do I Create Applications With C++

31 Dec 2015 by Richard MacCutchan

See learn C++ - Google Search[^].

C++

C++Builder

How do i...solve operator overloading

17 Dec 2020 by Richard MacCutchan

Operator Overloading | Microsoft Docs[^]

C++Builder

virtual constructor, explain

23 Dec 2012 by CPallini

No, you cannot declare a virtual constructor (see, for instance, here: "Why do we not have a virtual constructor in C++?" at Stack Overflow[^]).

C++Builder

How to repaint static control on changing text?

20 Jun 2013 by Igor-84

I handle WM_CTLCOLORSTATIC message to make transparent background for static control:case WM_CTLCOLORSTATIC:{SetTextColor((HDC)wParam,RGB(0,0,0));SetBkMode((HDC)wParam,TRANSPARENT);HBRUSH return_brush = (HBRUSH)GetStockObject(NULL_BRUSH);return (LRESULT)return_brush;}This works...

C++

Windows

C++Builder

How to repaint static control on changing text?

21 Jun 2013 by Bilashcse

Try with this : How to repaint static control on changing text?[^]

C++

Windows

C++Builder

Respected sir / madam . I need one simple program for baud divider program

13 Aug 2016 by OriginalGriff

You can't - serial ports don't work like that because serial data doesn't work like that.When you send a character, it goes out as a "formatted package" which consists of a Start Bit (always a zero), 5, 7 or 8 data bits, an optional Parity Bit, then 1, 1 1/2, or 2 Stop Bits (always a one). If...

C++Builder

How to add graphic interface into "north west method" code in C++ ?

24 Dec 2019 by OriginalGriff

We really can't help you with that: adding "a graphics interface" isn't a simple task, and is well outside the scope of a little text box like this! Generally speaking, converting a procedural application to a modern GUI doesn't work: modern interfaces are large event (or message) driven...

C++

C++Builder

How do i...solve operator overloading

17 Dec 2020 by CPallini

In addition Richard's answer. I'm going to show you how to implement the constructor and the overloading of the #include using namespace std; class Date { int day,...

C++Builder

Create program in C++

3 May 2021 by OriginalGriff

We are more than willing to help those that are stuck: but that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of your grades and it wouldn't be at all fair for us...

C++98

C++Builder

1>tbflow.obj : error LNK2019: unresolved external symbol

22 Jul 2021 by Richard MacCutchan

Look at the error message: 1>LINK : warning LNK4012: invalid value 'D_LIB.LIB/DEFAULTLIB:G_LIB.LIB/DEFAULTLIB:K_LIB.LIB/DEFAULTLIB:P_LIB.LIB/DEFAULTLIB:X_LIB.LIB', must be 'ARM, EBC, IA64, MIPS, MIPS16, MIPSFPU, MIPSFPU16, SH4, THUMB, X64, or...

FORTAN

C++Builder

How to received data from microcontroller in C++/cli using command line

15 Aug 2022 by Richard MacCutchan

Take a look at Serial Port I/O[^] which explains how best to use the serial ports.

How to convert system command output to string ?

16 Oct 2022 by merano99

The command system() creates a new process to handle the specified command. char cmd[10]; strcpy(cmd, "dir"); system(cmd); In most cases, this is neither performant nor useful. But of course you can start a process with C this way. You could...

How to convert system command output to string ?

19 Oct 2022 by Alexandrnn

#include #include int main() { system("dir"); puts((char*)stdin); } #include #include #include int main() { char cmd[10]; strcpy_s(cmd, 10, "dir"); system(cmd); puts((char*)stdin); }

How do I solve this C language question?

2 Jan 2023 by OriginalGriff

Read the question again, and pay attention to the definition of fun(n) Your code doesn't do that. or even close to that. You might also want to look at the "termination rules" as set in the question if you want to avoid an theoretically infinite...

C++

C++Builder

How do I solve this C language question?

5 Jan 2023 by CPallini

You should use 128 bit variables (or a big integer library) to compute the result, since, as pointed out by Griff, 32 bit integers overflows at input = 37 (and 64 bit ones overflow as well, at input = 83). Then you should avoid (at least a naive)...

C++

C++Builder

Error: a template declaration cannot appear at block scope template<typename K, typename V>

19 Apr 2023 by Rick York

Those line numbers don't seem to match up because you have only posted 135 lines of code. It is much easier to determine the cause of a problem when ALL of the code in a module is posted so that we can find the relevant line. The following...

C++

C++Builder

algorithm

Why this udp socket not work when I run it in pc outside the network ?

26 Sep 2022 by Death Smoke

I'm trying to make a connection between two computers both of them are using tp-link adapter , but i'm not receving anything from client . #include #include using namespace std; int main() { ...

virtual constructor, explain

23 Dec 2012 by ranjithkumar81

Hi There, can we declare a virtual constructor?if i declare virtual contructor compiler should through error?should i able to override.Regards,Ranjith

C++Builder

Help for write code in C++ and QT

15 Feb 2013 by Matthew Faithfull

Qt has excellent support for XML and some good examples of how to use it come with the Qt SDK. I suggest you consult those examples or search the internet with criteria such as "Qt+XML+Example". It's not likely anyone has a pre-canned Qt Xml class for saving the kind of information you want that...

C++Builder

Simulating a Mobile Phone (IOS/IPhone) on a desktop

25 Mar 2013 by raniam

Hi,,,i've build a client/server SSL connection on the same machine(using C++ Buulder XE3), and i was woundering how can my server connect to a mobile phone (IPhone for instance)!, where the mobile phone in my project will perfrom a number of functions, such as capturing QR code,cryptography,...

C++Builder

Simulating an IPhone/IOS6

26 Mar 2013 by raniam

Hi..I've build a client/server application (using C++ Builder XE3), and my server must communicate with a mobile phone (IPhone IOS6 for instance)in order to perform some sort of authentication through the mobile phone. where the phone will reply back to the server through SMS. and later the...

C++Builder

How to place vcl component on the window which was created using WinAPI?

14 Jun 2013 by Igor-84

Is is possible to place vcl components (TButton, TMemo, TLabel, TImage) on the window that was created with WinAPI function CreateWindowEx()?Actually the problem in the next://HWND MyWnd = CreateWindowEx(...////and now we try to create vcl - component on the newly created...

C++

Windows

C++Builder

How to repaint static control on changing text?

20 Jun 2013 by KarstenK

At first you need to draw the background. -> WMERASE_BKGROUNDhttp://msdn.microsoft.com/en-us/library/windows/desktop/ms648055(v=vs.85).aspx[^]

C++

Windows

C++Builder

How to repaint static control on changing text?

21 Jun 2013 by JackDingler

Try calling Invalidate() on the window.

C++

Windows

C++Builder

How to repaint static control on changing text?

21 Jun 2013 by Philippe Mori

Windows controls are not intended to have a transparent background. Either set the background color to the color of the underlayiong control or paint the underlaying control before displaying text.The problem is that since the background brush is transparent, then it does not erase old...

C++

Windows

C++Builder

meterpreter via web http error

8 Oct 2013 by Bruno Cardenas Cyberoff

//include library wininet this have a funtions InternetOpen(),InternetOpenUrl(),InternetReadFile(),InternetCloseHandle(),#include #include#include#includeusing namespace std;//this is a buffer with shellcode data in .bss sectionunsigned char...

C++Builder

How to develop a software in c++

3 Nov 2014 by bitesha20

Hello,I am a new programmer who has just learnt c++. I don't know any other programming languages except html. This is what I am capable of doing now: I just developped a program that solves a quadratic equation. I am using the local window debugger to see the results on a black screen.I...

C++Builder

How to develop a software in c++

3 Nov 2014 by Peter Leow

Try GETTING STARTED WITH WINDOWS FORMS USING VISUAL C++ TUTORIAL[^].

C++Builder

How to develop a software in c++

3 Nov 2014 by Richard MacCutchan

See http://www.winprog.org/[^], for a nice tutorial on Windows programming.

C++Builder

ListView column shading bug (C++ Builder)

20 Nov 2014 by Igor-84

I want to add a color fill for selected column.Drawing items I do in ListView1CustomDrawItem handler:Sender->Canvas->Brush->Color = RGB(200, 200, 255); if(Item->Selected) { Sender->Canvas->Brush->Color = (Sender->Focused() ? clBlue : clRed); ...

Windows

C++Builder

ListView

Overriden MouseDown event doesn't work well (C++ Builder, Delphi)

7 Feb 2015 by Igor-84

Hello! I'm writing a control that inherits from ListView. I need to override MouseDown propertie. To do this I am writing nex declaration in the class of my component:public:DYNAMIC void __fastcall MouseDown(System::Uitypes::TMouseButton Button, System::Classes::TShiftState Shift, int X, int...

Delphi

C++

C++Builder

Synology DSM helloworld package compile error written C++

26 Mar 2015 by Member 11210202

Please help me. I try to compile hello world package written c++. My environment is OS : Ubuntu 14.4,and synology toolchain is bromolow 64bit compiler, But I cannot get helloworld.cgi. I don't know the reason. Source code are#include "webman.h"#include #include...

Linux

C++Builder

How to check / uncheck checkbox in ownerdraw component (C++ Builder)

3 Jan 2021 by Igor-84

I am creating ownerdraw component based on TCustomListView. All graphic work I do in the CustomDrawItem method.I have problems with checkbox. To draw it I use this code: if(Item->Checked){ iStateId = CBS_CHECKEDNORMAL; } else{ iStateId = CBS_UNCHECKEDNORMAL; } ...

how do I get to know the Guest account is active or not,here is my code ,but I do not h

13 Jan 2016 by Member 11802116

I want to know the Guest account is active or not in C++.Here is my code ,but I do not figure out the problem #ifndef UNICODE#define UNICODE#endif#pragma comment(lib, "advapi32.lib")#pragma comment(lib, "netapi32.lib")#include #include #include #include #include...

C++Builder

Continue:how can I solve these codevisionavr syntax errors?

27 Jun 2016 by Patrice T

These errorsError: C:\cvavr\inc\usart.h(114): undefined symbol 'i'Error: C:\cvavr\inc\usart.h(117): undefined symbol 'i'Error: C:\cvavr\inc\usart.h(120): undefined symbol 'temp'Error: C:\cvavr\inc\usart.h(122): undefined symbol 'temp' are the consequence ofError:...

C++Builder

Continue:how can I solve these codevisionavr syntax errors?

27 Jun 2016 by leon de boer

It's telling you the problems ... deal with the main ones first1.) usart.h is a file it can't be found. The include statement makes it clear it is supposed to be in the default library directories but clearly it isn't. I am guessing usart.h is a serial comms file from wherever you got this...

C++Builder

How can I solve these codevisionavr syntax errors?

27 Jun 2016 by OriginalGriff

Don't try to split your code across multiple questions: it makes it harder to answer.And possibly impossible, since none of them contain "full" informations.Instead, look at the error messages, think about them, and probably it becomes obvious.There is no unsignedchar data type: it has a...

C++Builder

Respected sir / madam . I need one simple program for baud divider program

13 Aug 2016 by Member 12684887

Respected Sir / Madam;I want to divide my Baud rate 2400 ( 2400 / 8 ) and sent each bit to 300 Baud.2400/8 = 300 . This 300 Baud send to 1 bit , upto 8 bit.So kindly send me code for my work ... pls pls...What I have tried:I want to divide my Baud rate 2400 ( 2400 / 8 ) and...

C++Builder

Respected sir / madam . I need one simple program for baud divider program

13 Aug 2016 by Garth J Lancaster

Quote:So kindly send me code for my work ... pls pls...we also don't do code to order - if you want that, go to RentACoder

C++Builder

Respected sir / madam . I need one simple program for baud divider program

13 Aug 2016 by Patrice T

Quote:I want to divide my Baud rate 2400 ( 2400 / 8 ) and sent each bit to 300 Baud.2400/8 = 300 . This 300 Baud send to 1 bit , upto 8 bit.So kindly send me code for my work ... pls pls...Your question is no sense. It appear than you don't understand the basics of serial...

C++Builder

How to add graphic interface into "north west method" code in C++ ?

24 Dec 2019 by mo ashameikh

Hello I am doing a "north west corner method " program I wrote the program in c++ I need to convert it to graphic interface application using c++ in simple way I need help or if there is a ready application that I can learn from and the way it works,or anyone can help me with that, this will be...

C++

C++Builder

How to add graphic interface into "north west method" code in C++ ?

24 Dec 2019 by RickZeeland

Dear ImGui might be a good choice, see: cross-platform-gui-toolkit-that-runs-on-mac-windows-linux-android-and-ios[^]

C++

C++Builder

How do i...solve operator overloading

18 Dec 2020 by steveb

You need to convert your year, month, and day into number of days, then all your operators will be one line of code. Of course if you track the hours minutes and seconds it will have to be converted to the lowest denominator i.e. if you include...

C++Builder

How to check / uncheck checkbox in ownerdraw component (C++ Builder)

3 Jan 2021 by hsialinboy

Try updating the ListView after DrawThemeBackground()...IE ListView1->Update(); or maybe even ListView1->Invalidate();

How do I generate PES17 activation key

9 Apr 2021 by OriginalGriff

Quote: How do I generate PES17 activation key Buy a copy of the game: PES 2017 activation key[^] Even if you could, that would almost certainly be criminal activity, which means malicious code. We do not condone, support, or assist in the...

C++Builder

Create program in C++

3 May 2021 by Member 15048716

crate a program in c++ with 2 function 1 function calculator that take operands and operators from user and 2nd function take table and start and end number from user and press that data using passing by reference methond What I have tried: ...

C++98

C++Builder

1>tbflow.obj : error LNK2019: unresolved external symbol

22 Jul 2021 by velans

I'm facing below error please help me. 1>------ Build started: Project: PWR101U3, Configuration: Release Win32 ------ 1>Linking... 1>LINK : warning LNK4012: invalid value...

FORTAN

C++Builder

1>tbflow.obj : error LNK2019: unresolved external symbol

22 Jul 2021 by KarstenK

As Richard wrote you probably missed some libs. The best hint is to think about the stripped missing symbols like LFLOW. I guess some special library in your project is not included in the linker or properly configured or installed.

FORTAN

C++Builder

C++ builder error: unresolved external _beginthread referenced from C:\SOURCE\...\TEMP\XXX.OBJ

7 Dec 2021 by Roy Ancri

I took a project that was first built in RAD studio 10.x and now I'm using RAD studio 11. (I don't know if this information is important). I'm trying to build this project and received this error in addition to another error but with __endthread...

C++

C++Builder

RAD

How to convert system command output to string ?

19 Oct 2022 by Death Smoke

I Want to convert the output of this code to string type , but i cant make it. #pragma warning(disable : 4996) #include int main() { char cmd[10]; strcpy(cmd, "dir"); system(cmd); } What I have tried: I tried to...

How do I solve this C language question?

5 Jan 2023 by Patrice T

Quote: How do I solve this C language question? Advice: First of all, make sure that you understand the requirement. Then calculate by hand the few first answers of the requirement, say from fun(-1) to fun(10). Then as you have written the code,...

C++

C++Builder

Error: a template declaration cannot appear at block scope template<typename K, typename V>

19 Apr 2023 by Gcobani Mkontwana

Hi Team I am experience two errors on my program while running interval map on cplus-plus. Below code is the error gets compile " prog.cc:210:1: error: a template declaration cannot appear at block scope template ...

C++

C++Builder

algorithm

StringLib C: Library Adding String Type to C

8 Mar 2018 by Alex the Green Apple

C library defining string type and string manipulation functions

Eclipse and CDT for C/C++ Programs

12 Feb 2016 by Dr. Song Li

How to write C/C++ programs with the help from Eclipse and CDT

How to convert system command output to string ?

19 Oct 2022 by CPallini

Are you possibly searching for popen? See, for instance: The Marvelous popen() Function | C For Dummies Blog[^]

How do I solve this C language question?

5 Jan 2023 by Michael Haephrati

The question wasn't clear and I edited it. There were typos. I suggest the following: #include int fun(int n) { if (n

C++

C++Builder

2D-DFT for Color Image - VC++ GUI Implementation

10 May 2017 by Raghavendra Hosad

2D DFT for Color Image - GUI implementation

How can i make a " const char * " public and available to be used in multiple forms

25 Feb 2013 by raniam

Hi, I'm using C++ Builder XE3, and I've generated a public/private key pair in Form1, and I want to use it in Form2 (make it Public), so I've tried the following:in Form1.h, I've written:class TForm1 : public TForm{__published: // IDE-managed Components TButton *Button1; ...

C++Builder

How Do I Create Applications With C++

3 Jan 2016 by chandanadhikari

hi,trying to reply based on your reply to my comment :you need to make a series of decisions:1). what exactly you want to make i.e. what purpose will your application serve ? 2). which platform you want to target : Linux or windows or any other ?3). which library or framework do you...

C++

C++Builder

Why this udp socket not work when I run it in pc outside the network ?

16 Mar 2024 by Line Item

I would try running this from a command line, with some adjustments for that to make it a simple command. Get that to work then add to that a little at a time. Maybe then try moving that to PowerShell. Get that to work then add more until you...

How do I solve this C language question?

5 Jan 2023 by D Square 2023

fun(1)=100,fun(2)=101; fun(3)=fun(2)+fun(1); fun(4)=fun(3)+fun(2); fun(n)=fun(n-1)+fun(n-2); Write a program to calculate fun(100) What I have tried: #include int fun(int n) { if (n > 109) return n - 10; return fun(fun(n+11)); } int...

C++

C++Builder

How Do I Create Applications With C++

24 Dec 2015 by Member 12227217

i would really appriciate your links and tutors. i have most required knowledge of c++but i want to know how to create an app. email me also !!!EMAIL ADDRESS REMOVED!!!NEVER put your email address in a public forum unless you love to get tons and tone of spam.

C++

C++Builder

How can I solve these codevisionavr syntax errors?

27 Jun 2016 by shsmszdh

hc1.c as main#include/*Includes io.h header file where all the Input/Output Registers and its Bits are defined for all AVR microcontrollers*/#define F_CPU 8000000/*Defines a macro for the delay.h header file. F_CPU is the microcontroller frequency value for the...

C++Builder

Short Text on Ms. Access (.mdb)

15 May 2015 by errorperson

how i can fill more than 255 character on field type Short Text (not Long Text) in Microsoft Access 2003 format(.mdb)i use ms.access 2013 for C++ builder Application.i do not want to use the Long Text(Long Text) because i can't display it on DBGrid.

C++Builder

MS-Access

Continue:how can I solve these codevisionavr syntax errors?

27 Jun 2016 by shsmszdh

hc05.h#ifndef _HC05_H_#def...

C++Builder

Continue:how can I solve these codevisionavr syntax errors?

27 Jun 2016 by shsmszdh

usart.h#ifndef _USART_H_...

C++Builder

How do I generate PES17 activation key

9 Apr 2021 by Christian Anim

The code execution cannot proceed because d3dxa_43.dll was not found What I have tried: I have Reinstalled the app but it is still not responding

C++Builder

Help for write code in C++ and QT

15 Feb 2013 by gambhire shiva

I want write code for .xml file whoes store all information given by user.My project is build automation ...In project use Qt/C++ ...The project is build automation and in this project give the coding path and user information and create .xml file and then call xml file for further...

C++Builder

what is object slicing in c++

27 Sep 2014 by jharana das

234 down vote"Slicing" is where you assign an object of a derived class to an instance of a base class, thereby losing part of the information - some of it is "sliced" away.For example,class A { int foo;};class B : public A { int bar;};So an object of type B has...

C++Builder

How do i...solve operator overloading

18 Dec 2020 by Member 15023693

1. Write a Date class that has following functionality ▪ A parameterized constructor ▪ IsValid() that checks if the date is valid or not ▪ ShowDate() ▪ GetDate() Define following overloaded operators for this class:  ▪ (>,

C++Builder

2nd execute of iteration does not find port names.

23 Aug 2021 by keith20mm

I setup the OnClick enumerator part like this: ListBox1->Items->Clear();//

C++Builder

Visual-Studio

How to received data from microcontroller in C++/cli using command line

15 Aug 2022 by n.deny

i am trying to read and Write the data from microcontroller to c++/cli application using protocol . Write data were successfully done but i am unable to received the data. What I have tried: private: System::Void...