Hi, int *(*arr)[5]; a is a pointer to an element (e1). e1 is an array of 5 integer pointer. Now i want to to allocate for arr. How to do that ? int *(**arr2)[3]; and arr2 = new (????). arr2 is now an array of pointer p1. Each pointer p1 point to an object e. Each e1 is an array of pointers ...more >>

Hi, With these code: int a[3][5]; we are allocated (static) an array 3-by-5 (but continous) elements. But how to allocated dynamically an 3x5 array ? The way i know is: a = new int *[3]; a[0] = new int[5]; a[1] = new int[5]; a[2] = new int[5]; Too complex for a simple task ! and the allo...more >>

Hi All I tried to use the attached OpenGL code to draw a Star-shaped figure on my Microsoft Visual C++ .NET 2002-Windows XP Pro PC. When I did 'Build' in Debug Mode, I got an error C2065: 'RenderScence': undeclared identifier. Please help and tell me (1) what it is wrong with my coding in this prog...more >>

I guess this is a new function for VS 2003, but how to obtain this information in VC6 and VC7? Best regards, Klaus ...more >>

Does anyone know of any good freeware editors that can create/edit .ico files? Don't need to be particularly flash graphics-wise - just need to be able to save .ico files. ...more >>

Hye, Does anybody of you have any program or tool ready that can be used from inside my program that writes files to the CDROM (ATAPI interface) through writer??? Or is there any API or interface available that can be used to write the files to the CDROM... Any help will be hig...more >>

Hi I want to use UrlDecode() in C++. I have a Visual C++ (.NET) Win32 project #using <mscorlib.dll #using <System.dll #using <System.Web.dll using namespace System using namespace System::Web void dummy( ... path = UrlDecode(path) When I build the project I got error: "fatal error ...more >>

I want to do a single pix update bar instead of the big block that progress bars usually use. I can't seem to find any info on how to do this. Thanks in advance for any help, Kyle ...more >>

In the code below, class Z inherits from T<1> and T<2>. Both parents have pure virtual members of the same name V(), which are overloaded in Z. How do I define those overloaded members outside of Z? Currently, they are defined inside the class declaration and this works fine. The problem is that...more >>

I'm using a user-defined diagnostics stream and custom manipulators that work with it template<class charT, class traits = std::char_traits<charT> class basic_diagsstream : public std::basic_ostream<charT, traits ... } and a manipulator class alar template <typename charT, typename t...more >>

OK - picture the scenario. I want to develop a program using C++. I don't have any Visual Studio IDE (please don't say "but I thought you did" - this is for a different environment) I am of the belief I can build unmanaged C++ applciations using all of the things available in the downloadable .NET ...more >>

The following code gives VC++ 7.1 compiler errors C2785 and C2912 template<class U> struct Trait {typedef double result;} template<class T> typename Trait<T>::result foo() template<> typename Trait<int>::result foo<int>(); // Line causes errors Shouldn't this code compile correctly? If so, i...more >>

Apparently debuggers are available free to download from the MS website, presumably they are designed to work with the downloadable SDK..? Where are these debuggers, has anyone got a link to them? And how does a debugger work that hasn't got an IDE?...more >>

Hello What API sequence do I need to use to get list of files in the given folder Thanks for help Leonid...more >>

I encountered this error message when running my C program for over 2 hours. When it runs only for a short time, there is no problem at all. Anybody can give me an idea on what might have caused such an error and how I should deal with it. Thanks a lot Regards Haitao...more >>

Hi, How do I add a reference in VC++.NET? In VB.NET and VC#.NET, there's an option in "Project" menu called "Add Reference". This will add a .NET DLL reference to the current project. After I add a reference, I can start using the class in the DLL as follows: [VB] Imports <TheNamespace> ...more >>

We have a .NET dll that we are deploying to our customers using a deployment project in VS .NET 2003. There is a lot of information about creating publisher policies on the web, but we have not been successful in creating one. Here's what the ultimate goal is: When the DLL is deployed to a custo...more >>

Hi, I am a beginner with Visual C++ (I am using .NET 2002) MY problem is that sometimes the main dialog class dissapears from the class view ( so if my project is named Test, I cannot see CTestDlg class there) and when i right click over a control and try to attach a variable to it 'add variable" i...more >>

Hi I'd like to get the stackpointer value in my C program I tried this, but I keep getting a compiler error What am I doing wrong monitorStackPointer( long value __asm { mov value, SP printf("%0x\n", value) Thanks, Keith...more >>

I've seen GUIs for console applications where the console window is hidden. How is this done, and how is the GUI app "tied" to the console app? That is, I know how to pass commands to an app at startup, but how do I continue to feed commands to the app during the course of it's run? ...more >>

Hi all, I'm a newbie to VC++, and I'm having some trouble building an executable using some old non-visual code. I'm writing my code on a Win2k machine for use on a Win95/98 machine, using Visual C++ .NET. I'm using inp() and outp() functions from the conio.h runtime library, and they are givin...more >>

The following code snippet shows that VC++ 7.1 correctly compiles a static member function invocation from an Unrelated class, since this static member function is public. I expected to compile the same invocation from a DistantlyRelated class. What actually happened was that the compiler produced...more >>

I'm fairly new to C++ and VC++, but for the most part it seems to do most of the same things that can be done in Java, with just some syntactic and structural adjustments. However, one thing I haven't been able to figure out is how to call one constructor from another within a class. It's easy en...more >>

I'm having a strange problem (or at least it seems strange to me) trying to display a MessageBox in a VC++ .NET forms application. If I put the call to MessageBox::Show in the form's .h file, it works just fine. If I put the call in the .cpp file, I get the following two errors: error C26...more >>

Suppose the following: // Unmanaged code class UnmanagedException /* not visible outside of unmanaged code */ { }; void DoSomething() /* visible (exported) to managed code */ { throw new UnmangedException(); } // Managed code // Call into unmanaged code try { DoSomething(); ...more >>

VS6 Class Wizard would create event handlers for a large number of things, including OnUpdateXX handlers for updating the UI. I can not find a way to add OnUpdate handlers with VS.NET -- is the feature gone? ...more >>

I have uncovered an interesting problem with resource only DLLs. If I create a project with a long name and the name includes periods ("."), the IDE will fail to kick off the linker. The resource compiler seems to successfully compile the .rc to a .res, but the linker never fires up. If I force...more >>

I am developing a 'addin.dl'l to a 'main.exe'. How can I add a reference to 'addin.dll project' for the main.exe? Currently I am renaming a copy of main.exe to main.dll and adding that to my references. Anything simpler? ...more >>

Is there an option for this It woul certainly make debugging much easier JE...more >>

hi there, i was wondering please on which version of c++ i should concentrate i want to make myself as employable as poss... which version should i focus on please? the newest version seems the obvious choice, but are employers using it widely? thanks ...more >>

Hi all, i am a newbie. Can we call & use VC++.NET within ASP.NET page Thanks very much...more >>

Hye, This is Jigar mehta from India. I have made one application that adds dynamic menu items from the database. Each menu item has one ID and menu item's text is coming from the database. Now, I want to get the notification of the menu item click which is added dynamically. I want to put on...more >>

I have a COM (inproc) object that builds, registers and runs fine in VC6.0. It builds on .NET and "registers" without error, but nothing in the registry gets updated. This code was unmanaged in 6.0 and is likewise in .NET Any clues Pau ...more >>

My project uses the /ORDER specifier to order functions as specified in file containing the decorated names of packaged functions (COMDATs). I am in the process of upgrading from VC6 to VC.NET 2003. When linking a release build of my project VC.NET 2003, the following warning occurs for each func...more >>

I have an existing VC6 application using the MFC. I am able to pass CString and other parameters from such a VC6 dll to an unmanaged MFC dll (compiled in Visual Studio .NET). Now I want to use .Net functionality, i.e. calling methods in managed code. How do I pass CString variables for input and...more >>

Hello, Hope someone can tell me how to do this - I'm an old 'C' hack so sometimes I get stuck in old-think...this is one of those times... I've got a bunch of methods in a class that I want to be able to lookup and call from an array. In 'c' I'd just do something like: struct t...more >>

Hello! Could anyone help me please. I tried the following - I created an application in .NET 2003. The project is a MFC Application a CDialog. I ran the application fine. I changed the properties for the app - so I should use Managed Code (Use Managed Extensions = YES). It still ran fine. I...more >>

Hi, I get this exception everytime I debug and is just annoying. "Run-Time Check Failure #0 - The value of ESP was not properly saved across a function call. This is usually a result of calling a function declared with one calling convention with a function pointer declared with a different callin...more >>

Hello. Inform, please, where to find programs for Visual C++ .NET 2002 or 2003 on building the three-dimensional solid and surface z=f(x, y) in 3D-space (without usage of other libraries such as DirectX and OpenGL)? In the answer I can inform, where to find these programs on Visual Basic .....more >>

There seems to be a bug in managed VC++ when a class is named 'Object'. The code following demonstrates the problem. Note that if the class named 'Object' is renamed ( and references to it changed appropriately ) it compiles ok. It makes no difference if class Object is fully qualified with the...more >>

Hello I have a problem. The following program throws a "0" instead of a "25". I´m from the JAVA world, and in JAVA the output is "25" Hope, anybody can help me Thanks .. class Content public Content() wert = 0 Content::~Content() int getValue() return value voi...more >>

Hello, In Visual C++ 6.0, it is easy to setup include path and lib path. But I cannot find the way to add include or lib path for .NET through project property? How it can be done? Thanks, peter ...more >>

I found the following compiler error with Microsoft Visual C++ .NET. I use different functions with return types determined by a Traits class. Function g() below works ok, but when I put the two declarations f1() and f2(), the compiler gets disturbed. The error message does not even reproduce ...more >>

Hi all I have an object created via reflection of type CateringObject.FBO. I'm trying to assign it to a property that accepts objects of type CateringObject.IDeliveryDestination (which is implemented by CateringObject.FBO). When I try to set the property to an object of type FBO, I get a bad ty...more >>

Can someone tell me the best way to read fixed length string content from a binary file. There are no delimiters between strings. I only know the starting byte and that each string is 64 Bytes long. I was doing something like the following but it seems as though I must be doing this the hard w...more >>

Is there any tool (accompany with Visual Studio) which help me estimate the speed (or time duration of my application) ? Thanks ...more >>

Hi, I try to allocate an array of pointer with this pieces of code: int **a; a = new (int *)[3]; but the compiler report that : missing ; before [. It's may be an easy question. However, how to cope with the message ? Thanks for your attention. ...more >>

Hi everyone I used to use VS 6.0 to create my C application. I just started learn how to use Visual Studio.Net. I wrote a small program like this: int main() { string name; cout << "What is your name?"; cin >> name; cout << "Welcome to my World" << name << "Hope you enjoy" << end...more >>

I want to force a window to scroll and am finding this to be an impossibly difficult task. First I tried using the API functions ScrollWindow and ScrollWindowEx but they do not work. The portion that is being exposed in the scroll is not painting properly even though I've passed it the flags to te...more >>

How do I get the inverse of a cosine, that is, cos(a) = x, I have x and I need to know a? I don't need the hyperbolic inverse, unless I can use it to get the cosine inverse. Greetings, Mario...more >>