Software Development Forum

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 …

Hi, I try to do a winform C# (2005) and update an item in Grid. The 1st column, I have a combobox so I want update all item in Grid when I change value in comboboxes. Could everyone give me an example? Thanks in adv

I use data control to link access file by data properties not code. use simple code like move next etc. I use find next to find data. but when i want to find i write the criteria like Name = taher. But i want I write only taher in find …

Hello All, I am having a problem when returning a PChar from a function using Delphi 6. First of all, most of my functions pass type 'strings' around, but I am creating a DLL, to make sure it's universal, i can only pass type 'PChar' in and out of my …

If someone has any idea that how to print the xml file.

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 …

hello all, my self anil i am doing some timepass work in VB for practice. i am creating a webbrowser and i need some help i am creating it by using some components like microsoft internet controls. now i have created stop,refresh,back,forward,home buttons succsessfuly but i want some help from …

I'm having a small design issue with a Checkers game to be done in Java-- I'm not really worried about coding it, I can do that. The problem is listing out the dependencies between classes. For example, what should be responsible for what? IF I code the program with the …

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 …

i want the code for the concatenation of two data without using strcat

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

Hi I am wanting to make a board with about 80 LED's for my son's room. The LEDs must brighten and dim. I am aiming to make it look like the stars at night with the LEDs mounted on a black perspex plate, while also acting as a sort on …

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 have a recurring problem: On some days, it appears that Delphi has problems with identifying some of the files in my "Uses" section. Certain files will be underscored in red zig-zag and identified in the structure window as "cannot resolve unit name ...". If I right click the unit …

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 ..............+ …

I'm trying to work out what this does: [code] ptr = input_string; dest = input_string; while( *ptr && *ptr != '\r' && *ptr != '\n' ) { if ( *ptr >= '0' && *ptr <= '9' ) *dest++ = (char) ( (*ptr) - '0' ); if ( *ptr >= 'A' …

Hello! I have a problem with the size. I've made a function that saves the size, but each time I start the application does the size get larger then the last time. How do I fix that problem? Here are the code for the function: [code] using System; using System.Collections.Generic; …

Hi I have a weather forecasting program that uses a few threads. These threads stop and start at different times throughout the program so there is no set amount of threads at one time. My problem is when i try and close the main thread the program keeps going because …

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, 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 …

I have created a user control (uctxt) and an application to test that user control. Suppose the application lies in folder D:\snt\TestOcx on my local machine. And its exe will be created in D:\snt\TestOcx\TestOcx\bin\debug\TestOcx.exe and the dll of the usercontrol (uctxt.dll) to be tested will also be lying in the …

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 …

Hi, I m new to vb.net. i need help. How can I increment a number in a textbox everytime when the form is loaded? Suppose Customer_id I want that first time when the form gets loaded Customer_id should appear in the textbox as CDD01. Second time it should appear as …

I Used to be a c++ programmer and now i'm starting to learn java all by my self so i need a help in how to get starting begging with compiler and IDE tools and the basic diffrants between c++ and java Thanks

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.

Hi Frends, I m creating an access to VB6 connectivity Project. I ahve problem that VB6 Gives not me permition to leave any field NULL so when i save my record it genrate ERROR 94 That is invalid use of null value In my project it is not necessary to …

Ok, so this might seem stupid.. but I am just trying to get my head around it. I have 32bit registers (longword size). Unsigned values are values from 0 to 255. Adding two unsigned 128 bit values... So do I need to use 4 registers per value and add the …

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++ …

Hi, I have made a GUI using wxPython. I want to disable the Maximize button, but I am not able to do it. Please suggest a way to implement this. Regards, Dinil

Is there any way how i could compare arrays like pattern matching or should i write my own code? Thanks.

Is it bad to make a reference parameter optional by giving it a default value? Like here: [CODE]int Parse(std::string filename, std::string& error = (std::string)"");[/CODE] Here, the caller of the function may pass an optional std::string that will be filled with an error message if there is one. Is this considered …

in more basic C++ terms what does the following code mean? [CODE]friend ostream& operator << (ostream& os, const item* itm);[/CODE] it is a function in a header file

I am having trouble defining the get/set for an array in a class I have created.... how do you get/set arrays within classes? basically I have an array with x and y as width/height for a map i am creating, and i want each x/y point to have the "walkable" …

I'm trying to write a recursive method that will print a char c, x amount of times on the same line. I was thinking that I could return the recursive function call and concatenate the char c but I don't think my compiler agrees. What exactly are the properties of …

Hi all. I am trying to write a "light" version of srm just as an exercise of shell scripting (started today with this ^^" I have to keep it [B]really[/B] simple) Basically it should just search for a file and, if found, ask for a confirmation before deleting it. Now, …

Write the definition of a method reverse , whose parameter is an array of integers. The method reverses the elements of the array. The method does not return a value So far I got: [code] public void reverse(int[] backward) { for(int i = (backward.length -1); i >=0;i--){ } } [/code] …

Hello, I was wondering how I could correct this. It is referring to the following line: [code] set.quickSort(prt1, 0, arraySize-1); [/code] I tried to create an object and call the function this way but I am not sure how to correct this error. My code is the following: [code] bool …

hi guys, i was trying to sum up all the balances of clients to know which of them has reach their credit limit but my codes are not working. It shows an error and highlights on this code [code] rsArmaster.Open "select sum(balance) as credit from ArMaster where shippercode= '" & …

Hi. Well, the past year, I have spent learning GUI programming in Java and have created several games (Asteroids, MineSweeper, TicTacToe, etc, etc) in Java. I was wondering if there is an easy way (is it easy at all?) to go from what I know about GUI programming in Java, …