49,755 Topics
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| | Hi, I have a dialog box and basically I have set it so that the user can select multiple file. When it is set to just select 1 file I can get the string for the path of the file by [code] AnsiString LinkPath = (OpenDialog1->FileName); [/code] However when I …  |
| | I would eventually like to get into writing my own very simple command line OS but I am looking for maybe somewhere to start. I know C++ but I am not an expert at it and I was wondering if someone could point me in the right direction to getting … |
| | Hello all, First post here, I'll try to make it understandable heh. I have a question concerning object creation. Let's say I have a class called Node and I want to create an object called myNode. What's the difference between: [code=c++] Node * myNode = new Node(); Node myNode; // …  |
| | I've been searching for a memory leak detection tool for windows, something similar to valgrind under Linux, but all tools that i find cost, or just have free trials. Does anyone know a FREE memory leak detection tool for windows ? |
| | [CODE=cpp] #include <windows.h> #include <iostream> #include "resource.h" #include "Main.h" HWND hWnd, hwScreen; CCalc szCalc; LRESULT CALLBACK MainDlgProc( HWND hDlg, UINT Msg, WPARAM wParam, LPARAM lParam ); int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd ) { DialogBox( hInstance, MAKEINTRESOURCE(IDD_MAIN), hWnd, (DLGPROC)MainDlgProc ); return 0; } LRESULT CALLBACK … |
| | I was reviewing some material over pointers in a book called [U]C++ Primer[/U] [I]4th Edition[/I] and it said there were four possible values that you can set to a pointer. [LIST=1] [*]A constant expression with a value of 0 [*]An address of an object of an appropriate type [*]The address …  |
| | how do we read the memory at a particular address of a particular device. for example if i have floppy and usb plugged into my system and i want to read the information present at a particular address in usb then how i will do this??? |
 | can someone convert this c++ code to C# code... I'm very new to C# pls help the main.cpp [code=cplusplus]// Main Program // #include "square.h" // Derived Class square int main() { //******************************************************************************* cout << "\t\t\t+y"; cout << "\n\t\t\t +"; cout << "\n\t\t\t +" << "\tpoint a" << "\t\t\t\tpoint b"; cout … |
| | Hi all, I have encountered a peculiar problem when performing some simple arithmetic in a program I am developing. As the function of the program is pretty specific to my field I have included a smaller program which illustrates the same problem without the technicalities. Given a function (in the … |
| | If you were creating a graphic design drawing program for creating small images like 32x32 pixels but the windows was like 600x400. How would you create it so it could have more of a zoomed in vision of the 32x32 image so you could draw on it pixel by pixel … |
| | Hi, I'm reading Programming Windows Fifth Edition by Charles Petzold. In the part I'm reading, it talks about GDI functions. I'm trying to get the pixels that are 1 to 100 + the mouse x coordinate and the y coorinate, then draw them on my window. It's hard to explain. … |
 | Hi everyone. Here is a program I made which will find patterns in a list of primes. It does this by finding the difference between each prime and adding them to a vector like this: [CODE] Primes: 2 3 5 7 11 13 ^ ^ ^ ^ ^ Difference: 1 …  |
 | Just wanted to know, I'm just doing a little dice rolling thing thats storing dice values according to how many times they come up every so often, just wondering if instead of making 50 lines of code doing if(sum==1) { ones+=1; } else if(sum==2) {... and so on, I'm thinking … |
| | I am running a thread that does something, then sleeps for a while. If the program closes it continues to sleep to completion. How do I get it to abort immediatly, even if in the middle of sleeping? [CODE]void commThread::ThreadEntryPoint1() { while(1) { //do work Sleep(15000); //15 second sleep } … |
 | Hallo everybody. I am a student trying to extend my knowledge in cPP while using UML and system modelling. I created a "vector template class" using the rhapsody system modeling tool for storing different data types. I used the template to store int and float data types successfully using either … |
| | how are graphic's API's created such as DirectX and OpenGL. And is using GDI which is the graphic portion of the winapi, a graphic API itself? or are you able to create your own with C++ for 2D rendering instead of using anyone elses. Or does writing an API involve … |
| | When I run this program I can only access the first row of data. Can any one help so that I can access all the lines? I am trying to store numbers into a 2-dimensional array. [icode]#include <iostream> #include <fstream> #include <string> #include <iomanip> using namespace std; int main () … |
| | Hi, I would like to ask you for help in converting this code from C to C++. It's my little friend 's homework, but I can't help him 'cause I know nothing about C :( In fact, I just can't figure the "scanf" part out, I think the other part … |
| | Hello, I need help to try and figure out why one of my functions does not write to the file. I have 4 functions (below) and all of them write to the file except the updateRecord function. I know this is the case because I keep checking the .dat file …  |
| | The below program works fine for a input file that has only one line. but goes to an infinite loop for a multiline file. Kindly suggest. [code][COLOR="Red"] #include<iostream.h> #include<conio.h> #include<fstream.h> void main() { char data[10000]; int i=0; ifstream ofile("c:\\temp\\welcome.txt"); cout<<"File opened\n"; // clrscr(); ofile.seekg(-1,ios::end); while(1) { if(ofile.tellg()==-1) break; i++; ofile.get(data[i]); … |
| | Hey. The title displays the error and i was just wondering how i could fix it. Thanks! [CODE=C++]#include "resource.h" IDR_MYMENU MENU BEGIN POPUP "&File" BEGIN MENUITEM "E&xit", ID_FILE_EXIT END POPUP "&Stuff" BEGIN MENUITEM "&Go", ID_STUFF_GO MENUITEM "G&o somewhere else", 0, GRAYED END END IDI_MYICON ICON "menu_one.ico" [/CODE] |
| | I am not sure how to prevent the padded characters within a string array from printing. The user inputs the information in function enterRecords() and then prints in outputLine(ostream &output, const Tools &record ) function. I am having issues with outputline when I try to print to screen and then …  |
| | Hi: i am new to C++.. can u help me write a simple program in C++ to take an input of words and just return them in the reverse order..just the words alone not the characters.. thanks Kavitha. |
| | I'm having problems creating an array with a dynamic size using new. Here is the relevant code: [CODE] enum LandCondition { Bad, Good }; //... int IMG_WIDTH, IMG_HEIGHT; LandCondition* land; //... land = new LandCondition[IMG_WIDTH][IMG_HEIGHT];//causes errors [/CODE] The errors VC++ gives me are: error C2540: non-constant expression as array bound … |
| | I am having 2 main issues with this function: 1) For some reason my while loop is working but not correctly. If the user enters 0 rather than the while loop terminating and proceeding to the next line of code in the main function, the program begins to repeat infinite … |
| | Hi, I need to know this urgently. My friends like to use my software on their computers, and after they set it up with the setup wizard, when they run the actual program, half of them get an error on their computers saying 'The application has failed to start because … |
| | Hi guys I don't request any code help, just want to know how they make windows with themes like this: [url]http://www.codeproject.com/KB/library/PrettyWinApiClass/DevStudioSmall.jpg[/url] or like office 2007 Do they do it with winapi, directx, .net or is it possible for all of em' And ehm, another question: does winapi have a future? … |
| | hi , Can someone help me with a program if possible .. I have similar files with file name like prog1.in , prog2.in .... progr100.in which has some 47 rows of data in a txt format (almost same files ). I have another file name file1.txt having 100 rows just … |
| | i have use this function but ReadFile(hComm, &chRead, 1, &dwRead, NULL) chRead does not contain Hex value. |
| | Pleae pass the comments on "It is said by some people that insertion and deletion operations in Heaps make them less preferable than Binary Search Trees" |
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