Hi, I have a VC++ application I have been assigned to modify. The app is getting exceptions from time to time. The current code uses Try / Catch(...) for exception handling. When the catch is processed it simply sets the Hresult to e_fail. I'd like to put in some code that would give me the ex...more >>

VC++ refuses to recognize stream classes (such as ofstream and ifstream) when I compile. I wrote the simplest program possible to diagnose the problem and I still have no idea what is going on. I include <iostream> and <fstream> and still get unrecognized identifiers in response to ofstream decla...more >>

Hi, Gary, I recompile my code under UICODE setting and it seems that it still crashes under Janpanese Language input. It is strange, it can run on that machine, but as long as Japanese IME is up, it will creash my program right away.. Any one know what else I am missing or something else ...more >>

how?...more >>

Hi all, I'm writing because I haven't been able to find enough information at the book stores and at the MS web site on some of my questions. Perhaps I'm asking the wrong questions, but if you could help me out here, I'd really appreciate it. One of my clients uses Visual C++ 6.0 extensive...more >>

I believe the code below is compliant with the C++ standard. GCC and Comeau compiles this code without complaint however VC++ 7.1 has a number of silly complaints. Are there any known work arounds ? template <typename T> class foo { public: typedef typename T::foo_inner foo_i...more >>

I just subscribed to this forum. When we print source code in VS.NET to a laser printer, all characters are wrong. Kind of control characters. We experience this on all our VS.NET installations. Printing from within VS 6.0 and Outlook works well. Regards Baudewijn Vermeire. ...more >>

I cracked open my vstudio .NET pro and tried to build some old sources. I created a new project and to my amazement I could edit the files but the compiler could not find them. OK, so I created a virtual drive (net use x: \\share\blah) and opened the exact same vcproj file and viola, a...more >>

Hi, I'm currently doing most of my development in Java. The only reason i'm considering alternatives is because Java is decompilable, and thus one's source code is unprotected for the most part when shipped as a desktop app (obfuscation is good, but i'd like it to be more secure). Do i...more >>

I believe I have found a bug in XP, but it seems so bad that it isn't even possible, so I am hoping some folks here can help me verify or dispute it, which in the end will benefit us all. Here is the deal. I have created a simple MFC test app as such. Using the new project wizard, create ...more >>

I don't understand !!!!!! Sometimes VS.NET seems to compile fine with a "int main(int, char*)" function sometimes not... worst recently I had a project which (for some reasons) didn't like "main()" startup function and, copying from a similar project, I use the following entry point: in...more >>

additional info, the Japanese IME is MS-IME2000...more >>

Visual Studio .NET 2003 is refusing to compile following code: #include <cstdio> namespace { struct Functor { template <typename X> void operator() (X* px) { delete px; } }; Functor f; } template <typename T, T* pf> struct del_functor_adaptor {...more >>

Hi, all: Following question have been submitted to new group by times, I did'nt understand why there are any one can help me, even though say "Yes, you can do ..." or "No, you can not to do..." Bill ----- Original Message ----- From: "Bill Sun" <sunshang@hotpop.com> Newsgroups: mic...more >>

I have a function that I would like to pass a reference to a multi-dimensional managed array so that the function can allocate the array size. I am not sure how to do this. See below: { __value strict ST {int a; int b;} ST MySt __gc[,]; MyFunc(MySt); // At this point, I want MySt to...more >>

Hi, I have question which might be more style question, as I've never seen any discussion about this in any C/C++ books. Is there a rules where to include files in .h or .cpp ? What I usually do is if I have some xxx module, then all the includes I do in xxx.h and xxx.cpp has only one i...more >>

Hi everyone, I have an ATL Attributed project in VC++.NET 2002 and I'm having the following idl import problem. I have the following scenario: __interface IMyInterface : IUnknown { [import("file.idl")]; ..... } I set the path for file.idl in Project Properties->MIDL->Genera...more >>

Does anybody know if String::Format is messed up in C++. Here's a line of code: Console::WriteLine(String::Format(new System::Globalization::CultureInfo("en-US"), "{0} : {1} %", S"Haha", __box(12.00))); Here's the error I get: error C2665: 'System::String::Format' : none of the 5 overloads...more >>

Hye, How to create systemwide hooks for keyboard for keys like WIN, ALT+TAB, CTRL+ALT+DEL even when the application does not have the focus on it... Thanks, ...more >>

Hi, I have some header files that contain macros in a special syntax. These files are used with various tools that extract information from these macros. One of these tools is cl.exe. Basically, these files contain this: MYMACRO( ID4711, 4711, "str4711_1", "str4711_2" ) MYMACRO( ID471...more >>

I have a MFC COM Server that runs in the background. There is no UI or dialogs other than an occasional AfxMessageBox that might pop up with messages. My problem is if the user is running any other app, the MessageBox pops up behind other loaded windows. So, I need to be able to set the...more >>

Hi there, Quick question about VC.Net forms. The second I add a picture pox with associated image to my form, my app goes off into the weeds in the form designer code at the line where it tries to read the image resource from the resource manager. It's a mixed mode app, and I quickly work...more >>

Hi, I just installed the Visual Studio Pro .net trial and have been trying to tailor the context sensitive help to how it behaves in VC6. I've set the help system to external, but when I press F1 on say "CloseHandle," I no longer am presented with a dialog that contains the various CloseHa...more >>

Hello, In a managed c++ project, one can specify general information in the file AssemblyInfo.cpp. For example, AssemblyCompanyAttribute and AssemblyProductAttribute. Can I see this information in the assembly's windows properties page, other than viewing it as part of the assembly manifest...more >>

Hello, Could someone please help me out? How to add a version tab to an assembly's windows properties page for a managed c++ project, without manaully creating a rc file and a user defined rc2 file? Thanks. ...more >>

In the header file vcclr.h (in the .../Vc7/include directory of your installation) there is an inlined function PtrToStringChars defined. This is a utility function to get quick access to the internal chars of a System::String object. I came across it by reading Peter Grimes's "Managed Extensi...more >>

I have found strange behaviour in casting floating point values in C++ 6.0 to int: If I enter in the watch window while debugging in version 6.0 the following term: (1.4 - 1.0) * 10.0 the result will be 4.0 - as expected. But if I cast the same to int: (int)((1.4 - 1.0) * 10.0) the resul...more >>

Hi, I am trying to expose the functionality of an unmanaged C++ class to the other languages available in the .NET Framework. I have decided to do this by wrapping the unmanaged C++ class in a managed one. I have taken a look at following sample code on how to do this. http://longhorn.ms...more >>

I am completely baffled when the following managed exception is thrown: "Object reference not set to an instance of an object" from a nested subroutine when referencing a variable allocated on the program stack. Given the following simple example: void T( System::String * S ) { const w...more >>

Dear All Please help me in the following issue: how to raise an event from an unmanaged class to a managed class. Both classes are in C++ and there should not be any static methods involved in this implementation. ie. the event source is an unmanaged class and event receiver should be a manag...more >>

Hello! Can someone explain to me the difference between dynamic array of pointers vs dynamic array of objects by giving a real life example. Following is the code that I am using for dynamic array of objects. I am skipping initialization and other member functions. class Inventory { Ite...more >>

I have read and re-read KB 814472. There appears to be a little 1984 New Speak in it. I am referring to option 3. DLL that contains consumers that use managed code and dll exports or managed entry points The minitialize and mterminate functions are straight forward and make sense. The pr...more >>

Hi all, Where do I go for questions and info on Visual C++ .NET? Specifically, I'm trying to figure out how to use a DLL that's been made in VB .NET. I want to import it into my C++ application and can't find definitive documentation. Thanks, Santosh ...more >>

Hello, Everyone, I'm trying to find information on how to populate a combo box using a SqlDataReader. I want to be able to set the value of the combo's value property different then the combo's text property (what the user will see). Is this possible with a SqlDataReader? Thanks -...more >>

I'm surprised not to find this option under Add>New item, etc. It gives you an option for a *.rc Resource file, but not a typical .NET resource. If I add one manually, I don't see any way of specifying it to be an embedded resource. Anyone know? Kind thanks in advance, Leon ...more >>

Hello, I am working on a .NET C++ project based on the "Class Library (.NET)" wizard of Visual Studio .NET 2003. I would like to know if my .NET component is running in a ASP.NET page (.apsx file), and if it is the case I would like to execute a specific task based on the current HTTP requ...more >>

Hi, I want to compile the MS's program: ADOXCreateDatabaseX.cpp on VC7 of .Net 2003. The compiler always told me: c:\project\console\console\Debug\msado15.tlh(2374) : error C2059: syntax error : '-' c:\project\console\console\Debug\msado15.tlh(2374) : error C2238: unexpected token(s) ...more >>

I can declare and initialize a managed array of managed types like this: System::Object* array __gc[] = {...} Now, what do I do if I wanna reset that array to something else without redeclaring it? I can't seem to just say something like array = new __gc[] = {...} or array = {.....more >>

I have the disks for Visual C++ 2.0 but no product key. Where can I get this??...more >>

Hi - I'm using overlapped i/o on Windows 98 and on XP and am getting different results. Here's the code snippet: // read the command id and the message length BOOL rc; ResetEvent(m_SerialRecvOL.hEvent); rc = ReadFile(m_hSerialPort, &buf[1], 6, pBytesRead, (LPOVERLAPPED) &m_Ser...more >>

Hi, I just want to using a console application in the .net enviroment. Before the main(), I using the #include "iostream.h" but the .net tell me: c:\project\console\console\console.cpp(11): fatal error C1083: Cannot open include file: 'iostream.h': No such file or directory By the way...more >>

Anybody know how to profile a c++ program compiled in 7.1? (unmanaged) Seems the old tools are gone!!!!...more >>

CString.FormatMessage and CString.Format has the same parameters and they seems to have to outcome. However, they coexist !. There must be some subtle different between they. Can you tell me the difference ? Thank a lot ...more >>

The normal CFileDialog can only be used to select a file, can i use it to select a path?...more >>

Hi All, I'm in the middle of porting code to VS.NET from VS6.0. My code compiles fine under DEBUG mode but under RELEASE mode I get a compile-time error: C:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\atlmfc\include\afxwin2.inl(1034) : error C2039: 'Enable3dControls' : is not a mem...more >>

I have some big trouble getting special characters right when reading from a mailbox. I have a class that reads e-mails from a mailboxusing pop3 (language C#). I have tried various approaches from suggestions that I have received from newsgroups. Here's a small sample from how the e-mail looks...more >>

Hi, I m building a project solution with correct output settings for executable and supporting DLLs. But the debug executable asks for a DLL which is *Release* DLL and not *Debug* DLL. I opened up the EXE in dependency viewer and it showed that the app requires Release DLL (which I didn't make ...more >>

Hi, After a compile, if there are errors, the task list window pops up automatically. This is annoying. I'm happy with the error list in the output window like VC++ 6. So is there an option or setting to turn off this behaviour. Thanks in advance. - AP....more >>

Hi, I am new to this news group, hope to get prompt solution from you, gurus of VC. Well i had a project developed in VC++ 6.0, it uses Adobe Plugin Development SDK, I am trying to upgrade my project to VC++.NET, below is the code snipplet from the project #if WIN_PLATFORM // WIN ONLY ...more >>

I need to display a GIF image in a MS VC++ 6.0 developed application. Is there a way to do that? Is there a component/class I can use?...more >>

Hi, I have a development app that needs a registry hook created by installing VC++ 6.0 but I do not have a copy of this version. I have bought VC++ .NET Standard 2003 and this hasn't done the job but was wondering if it is possible to use the license key from the version I own to install version ...more >>