Hi all... New user new to VC++. I've used the AppWizard to create an SDI with the CFormclass. The "View" file is a dialog. I want to create a few EditBoxes, associate member variables to them, and write them to a file (and retrieve them later). The "Doc" file contains the "serialize" ...more >>

Hello, We re-compiled a COM VC++6.0 project using Visual Studio .NET 2003 (unmanaged code). Next, we copied the DLL to a Windows 2003 Server computer. When we tried to register the COM object, the registration failed (the VC++6.0 version registered OK). We installed Visual Studio .NET 2003 ...more >>

My enveronment - IE6 - .Net 1.1 sp1 - Windows 2000 sp4 I cannot use function "CSMTPConnection" on Vc++.Net on Windows 2000. because WS2_32.dll on error message as "The procedure entry point getaddrinfo could not be located in the dynamic link library WS2_32.dll". How i can updated winsock ...more >>

Hi, I have a need to read in a very simple xml file and initialized some objects from the data. I was reading on the ms website that .net contains its own XML parser, and it sounds pretty good for what I need. However, to use the code, it looks like I need to compile with managed extension...more >>

Dear All I am currently trying to compile a VC++6 application in VC7 and I am finding it difficult to overcome the errors listed below. Any suggestions would be most welcomed. Many thanks Tom c:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\atlmfc\include\atlalloc.h(336) : error C3...more >>

Is it possible to do collections of struct __values in MC++ 2003? How can I translate the following C# example to C++: public sealed class PointsCollection : CollectionBase { public void Insert(int index, Point value) { List.Insert(index, value); owner.UpdateRegion()...more >>

Hello, I tried to confirm that two different heap allocation calls were being made, i.e., one for __gc and one for __nogc. However, the addresses of the calls (as seen in disassembly) are not what I expected. As you can see the four calls in tmain are all to the same routine, while the one ...more >>

I have a table, call it Choices, with two columns, a primary key column called "ID" of type uniqueidentifier and a data column called Choice of type Varchar(10) Col type pk? ID UniqueIdentifier Y Choice varchar(10) N I have another table, c...more >>

Hi All, We have an automated system that does an incremental build of the Projects(around 60) using VS 7.1. Some of the projects on an intermittent basis report the error LINK : fatal error LNK1201: error writing to program database ''; check for insufficient disk space, invalid path, or i...more >>

Hi, I would to use fd fuction in .NET but it seems that its been removed. Can any one suggest an equivalent function? Thanks...more >>

class apuesta { int num; char nom[10]; }; struct registro {}; char*codigo; }; registro apuesta class sale { private:float precio; char nom[]; { union { int num; float dorado; }; char*codigo; }; registro apuesta class sale { private:float precio; char nom[]; { uniom { in...more >>

Hello, Since value classes are not managed by the garbage collector and can't have destructors but can have member data allocated on the C++ heap, how does this data get destroyed? For example, __value class vclass { public: vclass() : p(new int(0)) { } int* p; // ...more >>

How do I get a list of unused functions in my application using Visual C++ 2003 ? I know that I have several in 300,000 lines of C++ code. However, tracking them down is very difficult. Thanks, Lynn McGuire ...more >>

Greetings! I'm a newbie in Visual C++ .NET (have programmed in Borland C++ and Builder for long) and I am trying to do a very simple thing, but I'm stuck. I created an (unmanaged) DLL project with a sample function, and tried to call it from a ".NET Forms" project. All I get are "Unresol...more >>

Hi, I want to track memory leaks in my application (that is using <valarray>). I used the following code: #define _CRTDBG_MAP_ALLOC #include <stdlib.h> #include <crtdbg.h> But then, when I include <valarray> the compiler raises the following errors : c:\[...].NET 2003\Vc7...more >>

Hello, I'm writing a simple application in Visual C++. The application basically takes in a set of values (of type double and int) and outputs a set of values. Both the input and output is implemented through dialog boxes (via the dialogbox function). I wanted to be able to print out the va...more >>

I hope that somebody can help me with my installation problem. I insert the Visual C++ .net disk in my computer and setup begins but then I am presented with a message telling me that I have the wrong versions on the prerequisites installed and that I should reboot and install the correct o...more >>

Why the following does not compile: #using <mscorlib.dll> int main() { int __gc *p= __gc new int; } while the following compiles? #using <mscorlib.dll> int main() { int __gc *p= new int; } -- Ioannis Vranos...more >>

Hi, i am using a third party static library (.lib) that wraps a class interface around an old C-style dll. in the static library they use the STL for some stuff i don't know about. in my own code, i also use the STL, for basic_string for example. at link time, i get a lot of errors like...more >>

man, it's been quite a long time since I was developing in C/C++ (GNU Linux on RedHat 6.2 was last time I did)... Anywho, I can't remember how to re-define/re-dimension an array. Say I have an array of 30 characters...the first character is a space...I want to remove this space... OR ...more >>

hi I have apet aproject that i created a long time ago and I now want to make part of it managed. This is a dtabase application s I want to create a class in which I wrap ADO.NET. The design is such that when I make a query, I want to send each string from the query to unmanaged code. In other...more >>

Hello, If a function arg is a reference to a built in type, is it necessary for the function definition to specify whether the reference is to a managed or un-managed object? If so, does that mean that there needs to be two (otherwise duplicate) functions in order for both types of objects ...more >>

Hello, In managed C++, if a function takes an array as an argument, it has to specify whether that array is managed or not. If I want to handle both managed and un-managed arrays, does that mean that there has to be two functions? e.g., void foo(int x __gc[]); void foo(int x __nogc[]); ...more >>

Hello! I have a problem with managed C++ and the Application class I want to use Application::CommonAppDataPath but the only answer I get is "D:\Documents and Settings\All Users\Application Data\\\1.0.0.0" I have tried changed the items (alredy present) in assemblyinfo.cpp but that doesn'...more >>

I have Visual Studio 6.0 stand-alone (with C++) and as part of Compaq Visual Fortran 6.6c. I am moving my development from a Win 98 SE machine w/2x 10 Gb HDD (each w/ 1Gb free), 768 Mb RAM to a 3.2 MHz Win XP Pro machine w/147 Gb HDD (121 Gb free) and 2 Gb RAM. Loading a particular project ...more >>

I'm trying the VC++.NET with the VS2003 Trial before I decide to upgrade my VS02. The VB and VC# are running great except I couldn't BUILD any VC++ in the IDE. Problems: fatal error LNK2023: bad dll or entry point 'msobj10.dll' I have no problem if I " cl.exe filename /clr .... " th...more >>

Hi together, I am using the following code in Visual Basic to open Word or Excel applications: Word: Dim w As Word.Application w = CType(CreateObject("Word.application"), Word.Application) w.Application.Documents.Open("test.doc") With w.Application.Selection [... whatever ...] End Wi...more >>

Hi, I have a project in which i havn't changed the /Zp flag and left it at the default (8 bytes). my problem is that upon execution the structs aren't aligned at all, as if i used /Zp1. its very problematic when i use another app who send these structs to the main app, since the sending ...more >>

I'm getting the following error when linking a Visual C++ .NET 2003 program. What can be the reason? It worked yesterday on the same machine. Linking... link: too many arguments Try `link --help' for more information. <programname> : error PRJ0002 : error result returned from 'link.exe'....more >>

Hi! This is my first post here, so please excuse me for any mistakes I make. --------------------- I'm having a hard time displaying modal/non-modal dialog boxes in a Windows Forms Application project, because of the following problem: If building a project in debug mode, I get a Debug...more >>

Having troubles with my program and i believe it has something to do with my project settings for precompiled headers. This is what i have: my main cpp file, vector.h/cpp and polygon.h/cpp. vector.h includes math, polygon includes vector and gl/gl.h, and main includes windows.h, gl/gl.h, gl...more >>

I'm creating managed classes in an managed application, and believe I've seen the following generate a compile error: __gc class Parent_Class {} ; __gc class Child_Class : public Parent_Class {} ; __gc class Other_Class { public: void Method_1( Parent_Class** pc_ptr_ptr ) {} ...more >>