51,593 Topics
 | |
| | I need help creating an elapsed timer with visual C++ 2008. Basically what I want to do is have elapsed time in seconds, minutes and hours tick down on a 'label' control. I've gotten it all set up, including the code for starting the timer ( this->tim_main->Enabled = true; ) …  |
| | The following code snippets are from the NxOgre libraries. I'm coming from a Java background, and statements like the following just confused me: [code=c++] Body* body = NxNew(Body)(identifier, this, firstShapeDescription, pose, params); [/code] What's happening on the right side of the equals sign? Is NxNew the class? Is (Body) a …  |
| | hey, i have made a game called zombie island. this is what needs to be included in the game: This is a simple turn based game. Set up a 2d grid. Onto the grid randomly position holes, zombies and a man (each represented by a simple character e.g. O Z … |
| | Hi all I need to access RS232 device across a network (actually it is only the device but connected to serial/ethernet device which in turn connected to a Hub), would you please direct me how to do it? any help is appreciated. |
| | I am having some trouble wrapping my head around this project. I am needed to code a relational database in C++ making use of the sql selection and projection operators. I can use a 2d array to create the 'database'. Please, if anyone could just point me in the right … |
| | Is there any built-in/ 3rd party libraries in C++ or any windows API that I can use to capture audio in windows? Thanks, Peyman |
| | first model: [CODE] class MyException { string message; public: MyException( string msg ): message( msg ) {}; void printmsg() { cout<< message <<endl<<endl; } }; void willthrow() { throw MyException("mk"); } int main(int argc, char * argv[]) { try { willthrow(); } catch( MyException &ex) { ex.printmsg(); } } [/CODE] … |
| | I want to store multiple objects in file but only able to store one object.. plz help me  |
| | Hi I am using a function InitDocStruct() to initialize the document I want to print through my program. Definition of the function is [code=c++] void InitDocStruct( DOCINFO* di, char* docname) { // Always zero it before using it. memset( di, 0, sizeof( DOCINFO ) ); // Fill in the required … |
| | I am reading 4 bytes in binary file and stored in some variable named as *tmpbuf. i am printing this variable in decimal value like this. printf("%d",*tmpbuf); But now what to do is i want to split 4 bytes into two and want to read those separately and saved in … |
| | Hello, I've been wanting to learn C++ but I don't know the difference between Visual C++ and C++, is there really even a difference? Also, what would be the best compiler for me to start off with if I wanted to learn C++? Thanks |
| | Hi , can anyone tell me what does this error mean? s\visual studio 2005\projects\igrabobi\igrabobi\Form1.h(124) : error C2451: conditional expression of type 'void' is illegal ? I got it when I tried to build my game. Thanks a lot |
 | I modified it by visual studio 2005 and it works with it correctly but i has errors by my old compiler(borland C++ 5.02). errors in the last code was caused by using clrscr(),gotoxy() & ... ,that functions was for just borland and was not standard. Does new code of this … |
| | Hi, I was wondering how to program a device driver for Windows XP in c++. For example, say I wanted to make a device driver for a mouse (I say mouse because that seems like one of the most simple everyday 'tools', and would seem as though it were the …  |
| | Hi I am using Dev C++ for my development purpose. I have few queries 1. Can I use it for making professional applications. 2. Is Dev C++ is same as Visual C++. Kindly advice Regards Karan  |
| | Hallo friends i have wrtten code for my project in c++, but i have no idea about how GUI is used eith c++ and which one is used. For the beginner i have no idea about GUI and how to start it. Which one you prefer to use with c++ …  |
| | Hello, I am wondering how do we initialize a vector (or even an array) of pointers when the objects that will eventually be pointed to don't exist yet? I've been searching the internet for a while, but most examples assume that the objects already exist. I hope this won't be … |
| | i started making a game using c++ and allegro, but i keep getting a error can some one please help me out this is the code [code] #include <iostream> #include <allegro.h> #include "PlayerClass.h" #include "Global.h" using namespace std; #define LEFT 4 #define RIGHT 6 #define UP 8 #define DOWN 2 … |
| | this really weird thing is happening when i try to find my mouse position of my window. If i put it to the top left of the window it is fine but as it goes further down and across it goes weird. It is really hard to explain, but is … |
| | What does this error message mean? Thank you for your help Heap corruption detected at 0072FB10 HEAP[algo.exe]: HEAP: Free Heap block 72fb08 modified at 72fb1c after it was freed Windows has triggered a breakpoint in algo.exe. This may be due to a corruption of the heap, and indicates a bug … |
| | Hello. I have c++ down pretty good. I am wondering If I should do windows programming first or directx first. And where should I go to get free or cheap, and good ebooks for windows programming and directx. I cant seem to find any good ebooks. Thank you. |
| | Hi, I need help, cuz I don't have a clue how to program printers or anything. Here are the components I have (in terms of this subject): Main.h (Form) btnpgsetup (Page Setup button) btnPrint (Print Button) txtdisplay (RichTextBox) PrintDocument1 (PrintDocument control) pageSetupDialog1 (Page Setup) PrintDialog1 (PrintDialog control) What I'm trying … |
| | Hi, I've been trying this for months now, and I still can't figure out how to get MFC installed as part of Visual C++ 2008. Is there any service pack you can download? How do you get MFC (Microsoft Foundation Classes) installed?!? Thanks. |
| | I am practicing my arrays, and I am trying to make a number/letter tic-tac-toe game. Here is my code: [CODE=c++]#include<iostream> using namespace std; char board[3][3]; char letterNum; void displayBoard(); void move(); void displayBoard() { for (int i = 0; i < 3; i++) { for (int j = 0; j … |
| | I am trying to put the contents of a char buffer[512] into a word* (type def as data type short). How do I do this? I have tried memcpy but am either getting an exception or it will run but the word* is undefined value after the copy. Any advice … |
| | I have a C++ dll that I am trying to call in another section of code (happens to be C#) currently I am getting the following error: [COLOR="Red"]Additional information: Unable to load DLL 'MATLABThreadLibrary.dll': The specified module could not be found. [/COLOR] even though I believe I've got all the … |
| | Last semester I took CSII and we built an unsorted list (C++). This summer I went thru the textbook and built an sorted list, and now I'm trying to template the sorted list, but i keep getting compiler errors like this... : undefined reference to `SortedType<float>::SortedType()' /tmp/cc0C4kB6.o(.text+0x448): In function `main': … |
| | Hi, I'm busy working on a word processor, and I could use a bit of help with 2 things. The Savefiledialog, and the Openfiledialog. In terms of the savefiledialog, I have all the code done, and it compiles properly: [CODE]public: void SaveFile() { SaveFileDialog^ saveFile1 = gcnew SaveFileDialog; saveFile1->DefaultExt = … |
| | Hi everyone, I need help with this one problem. I'm using Visual C++ 2008, Windows Forms app, and I've created a test program where you can set up two system::strings, xvalue and yvalue. It then converts them to Ints (x and y). It then calculates x and y depending on … |
| | Has anyone ever seen a function call just get skipped? I am running in debug mode and it wont let me set a break point on the call and when i step to it it goes right over to the next line, no exceptions, no errors. Has anyone EVER seen … |
 | Is there any difference between those function declarations in C++? Since in C the first states "take any and as much arguments as you like", and the latter means take none... Thanks in Advance, Nick |
| | I've built a class, one parent and multiple children, that I need to group together to eventually be stored in a single file. For the moment I've gone with something like this: [code=C++] CObject *group //CObject is the class in question group = (CObject*)calloc(1, sizeof(CObject)); //1 element just to start … |
| | I am almost done with a project and now I would like to code an installer for it. I know there are many free solutions to make installer packages online, but I would enjoy learning how to make one from the ground up for the expirience if nothing else. What … |
| | Hey guys, I would like to create a chatting application with C++ or C#(preferably C++) that would run on a local computer network ( and internet if possible) ie enable users on a local computer network to chat. I'm kinda new to programming and I have only done the basics … |
| | Hi, i am required to make a game, here are the details: zombie island This is a simple turn based game. Set up a 2d grid. Onto the grid randomly position holes, zombies and a man (each represented by a simple character e.g. O Z and M). The man moves … |
| | how would u diplsay the lowest or highest value of an array that the user entered so u ask the user to enter several number and it goes into an array then how would u display the highest/lowest value in that array to the sreen  |
| | 1) The following C++ program reads in a number, checks that it is a three-digit integer and, if it is, echoes it on the screen in the reverse order. It uses a C++ function, called isolateDigits, which takes in a 3-digit integer number and returns the three digits that make … |
| | I am facing problem with WaitComm() ;I set comm time out but WaitComm() in to completing. i think WaitComm() go to infinite loop. How i can resolve it |
| | Hi, i am trying to write a program that would work much like the tail command in UNIX. The idea is to print the last 10 lines of a file. I started off by finding out how many lines were in the file, then attempted to seek to the appropriate … |
 | My target is to make a code of Cartesian coordinating points of a rectangle... then it must be tested by quadrilateral and square. If the tested point is a rectangle then the out put program will be like this..... Program Output: ************************************************************ ....+y .....+ ..............+ ..point a............................................................................. point b ..............+ … |
| | Hey everyone. In a nutshell this is what I want to do. I want to: - Allow developers to write code in C++ using non-latin based languages. i.e > use #define (or whatever) to specify a non-latin based character as a keyword/variable. e.g > Instead of (English): if(x < 1){ …  |
| | Hi, I am getting this error "[DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied." when trying to get some data from SQL Server 2000 database. SQL Server is installed on Windows Server 2003, and i am testing the application from WinXP sp2. Testing from other machines with same settings … |
| | Hi everyone! I want to call a child program from my parent program. Are there any methods to do this in C++ (platform is Linux)? I searched Google but the material found quite difficult to understand. If have any examples, it'll be better for me (as you know, some people … |
| | Hi I am writing a code in which I have to display the print dialog. PRINTDLG pdlg; memset( &pdlg, 0, sizeof( PRINTDLG ) ); pdlg.lStructSize = sizeof( PRINTDLG ); pdlg.Flags = PD_RETURNDEFAULT | PD_RETURNDC; PrintDlg( &pdlg ); But I am getting an error message "[Linker error] undefined reference to `PrintDlgA@4' … |
| | good afternoon.. do you know how to install or configure clanlib in vs2005 ?? im getting hard time... i tried it so many times but up to now i havent succeed... i read this link [url]http://www.clanlib.org/docs/clanlib-0.8.0/Tutorial/Kavanek/01-Installing.html#windows[/url] but its hard to understand and im not sure if i download all file … |
 | I wanna have my program be able to let the user manually open a text file by destination and retrieve data from it, I have everything like ifstream good, i just need to know how to let the user cin something like C:/files/myfile.txt, but with the ifstream format I need … |
| | I try to create a generic binary tree class but when i try to define an inserting function I get these compilation errors error C2072: 'Btree<T>::recins' : initialization of a function error C2143: syntax error : missing ';' before '*' c:\documents and settings\kux\my documents\visual studio 2005\projects\btrees\btrees\btree.h 54 Error 6 error … |
| | Hi All I have written a code to change the settings of printer Orientation(i.e. Landscape or Portrait) I have written following code [code=C++] void SetDefaultPrinterOrientation(short dmOrientation) { HANDLE hPrinter = NULL; LPTSTR pPrinterName = NULL; DWORD dwNeeded = 0; PRINTER_INFO_2 *pi2 = NULL; DEVMODE *pDevMode = NULL; PRINTER_DEFAULTS pd; BOOL … |
| | As a beginner I want to create a text editor that autosaves the text at intervals. It's not a part of any HW or anything like that. I just wanna learn things. Plz Plz help me out. Got 20 days at home. Wish to complete it before joining college. |
| | Hello, I'm having trouble compiling a header file for a class written in C++. What's so frustrating is that I can't see what I'm doing wrong. when I compile the code I get the the following 2 errors for lines 22 and 25: [B]expected ';' before '<' token ISO C++ … |
The End.