I have an existing MFC program consisting of an EXE and one DLL that I am trying to convert into a mixed mode program. I am using Visual Studio.NET 2003 Professional and I am compiling in the IDE. I set the "Use Managed Extensions" option to Yes in Configuration Properties General, added the...more >>

Hello, I have an executable file lanuched from another application. is there a way to make thie executable file foreground if it is launched from other application? Thanks. ...more >>

Will is affect the result if I pass Array Pointer as a parameter to a function compare to Array as a parameter? For example, BYTE buffer[1024] a.) function(&buffer) b.) function(buffer) Is it any differences between (a) and (b)? Thanks in advance. Kenny ...more >>

Hi Friends, I have an application which was developed with Visual C++ 6.0 and MFC. In the application, the CWinApp::WinHelp method was overridden to support context sensitive help (F1 help). After upgrading to Visual Studio .Net 2003, the help links are not working any longer. The overridden W...more >>

We have a default "Hello World" web services that we can call from VC++ creating an unmanaged DLL. The DLL is used in old languages that calls the DLL-function and that is calling the web sevice. Everything looks fine but we can read the letter "H" and not the entire string. I'm sure that the...more >>

Hi all, Why doesn't the following unmanaged C++ code work as expected: string s; ostringstream strm(s); // This stream should store results in s strm << 25; cout << s << endl; // s still contains an empty string cout << strm.str(); // but the stream internally co...more >>

Hi all, This is the first time I've tried to create a templatized function, and I can't get past a linker error. I create a new, unmanaged C++ application and added a class named MyClass. In MyClass.h I added: template <class T> void MyFunc(T); In MyClass.cpp I added: templ...more >>

how can i read a .csv file and output it into an edit box? i also need to know how can i display more than one csv file thank - wayn ----------------------------------------------------------------------- Posted via http://www.codecomments.co -----------------------------------------...more >>

I develop application with C++.Net and i want to add module:PLOT where i can enter and calculate data ,view the changing graphs. Plot will enable to create plots fast and easily and options can be changed interactively. witch tools(or classes) in VS.net can I use? thanks....more >>

The release build class library can only work with msvcr71d.dll and msvcp71d.dll exist. How to make this class library work on any machine without using the debug dlls? What are the project settings that i need to take note so that it will become a "real" release build without depending on the d...more >>

I want to include some code for the MouseDown Event. I would like to add this for the formview or a picturebox, how come there are no messages for me to choose from. Even I created a button, no messages are shown in the pick dialog box....any help is appreicated Thanks jack ...more >>

Hi I am looking for some help on Threading and Critical Sections I have a main thread that controls an event the event handler creates a new thread for carrying out the work because the work may not be completed before the event is triggered again I am trying to add critical sections ro...more >>

Is there a stream class that handles TCP/IP or UDP/IP, or a Socket class to serve the same purpose, hiding somewhere in the unmanaged C++ standard library? - Bob ...more >>

Hi all, I have a basic question regarding holding references to objects in unmanaged C++. Suppose my unmanaged C++ class has a method that accepts a reference to an object as an argument, and stores the object reference in a stack object, and another method that uses the stored objects in ...more >>

Does anyone know of a downloadable Line ActiveX control which allows me to plot straight lines on a VC++.NET form? Thanks Jack ...more >>

I want to do the same as VB6 by setting Picture property to some bmp image, How to do the same with VC++.NET. Image property is not allowed for "C:\dxsdk\123.bmp" Thanks Jack ...more >>

Hi all, A Windows service (which obviously starts before any user logs in) is failing to: - read something from registry from a key under the HKCU - try to find out the user path by doing the following call: SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT, path) if any of these...more >>

Hello. I have a Visual Basic 6 program that calls a C++ DLL that I am in the process of writing. The DLL does some calculations and should draw some points in a Picture form contained in the VB exe. How can I scale the Picture form to a custom scale from the C++ DLL, so that the points a...more >>

I have a question regarding deleting a dynamically created objects. Thread 1 of my application create a new object using "new", say MyClass* p1 = new MyClass And I pass the address pointer to thread 2, where pointer p2 stores the address from p1, thread 1. My question is: can I successfull...more >>

What is the difference among the following. Please correct me if I am wrong (this is not a homework, I am just checking System::Regex these days and have not figured out everything yet). "a*": As far as I know it means nothing (=it matches even the empty string ""), or a string consisting...more >>

How to display a splash screen(with a sentence of word) just before display of the main screen(MDI application) using visual c++?? thanks -- wayne ------------------------------------------------------------------------ Posted via http://www.codecomments.com -----------------------...more >>

Bonjour Je veux pouvoir gontr ler la navigation dans les tables enfants dans ma DataGrid, c'est dire je veux acceder aux donn es de la table enfant pour des lignes sp cifiques et pas pour d'autres.Sachant que la propri t (AllowNavigation = false) fait qu'on peut pas acceder aucune donn...more >>

Hi! I have done exactly like stated in 'HOW TO: Call a Managed DLL from Native C++ Code' from Knowledge Base, but in my MFC application I have implemented the tmain section in it's own MFC class. All is looking good until a call to interfaced Method is done, then I recieve a negative HRESUL...more >>

Hello, Is there a way to have access to the text buffer of an Edit box from it hwnd. I can use SetWindowText, but this function triggers the control to be painted with the new text. I want to change the text in the underlying edit box without displaying the new text. Thanks for your he...more >>

Hi, I am using RC.exe to compile a resource file. The source file contains version info which is missing from the output file. The file included in the resource file is shown below : //////////////////////////////////////////////////////////////////////////// /// // // FILE: ver.h ...more >>

I've got 2 classes in 2 seperate header files, but within the same namespace. If I use a line like: // This code is inside Class2's header file Class1 *newitem = new Class1(param1, param2); I get "syntax error: identifier" and "undeclared identifier". Since they're in the same namespa...more >>

I posted this message in the languages.VB newsgroup yesterday and did not receive a response. I am hoping it might receive one in this newsgroup. I would like to implement a macro that makes rather extensive changes to the names of variables/classes in a VC Net solution. Macros are written ...more >>

First, we rely on a stable update rate so that our physics and dynamics calculations and integrations are based on a known interval and therefore are true-to-life. Second, the graphics positions in our image generators are updated by this dynamics application, and we need to update them at t...more >>

Hello all and thank you in advance. We have several old applications in Cobol, Centura, etc that needs to be converted to .NET In order to save time our plan is to create web services and call them creating DLLs using C++ to be used by the old applications. We have the simple "HELLO WORLD" we...more >>

Hi, The following C++ managed console application compile with no errors or warning even if the readonly class members are not explicitly initialized. Is there any way to force the compiler to inform me that the readonly class members are not explicitly initialized? If I translate this p...more >>

Bonjour Je veux pouvoir gontrôler la navigation dans les tables enfants dans ma DataGrid, c'est à dire je veux acceder aux données de la table enfant pour des lignes spécifiques et pas pour d'autres.Sachant que la propriété (AllowNavigation = false) fait qu'on peut pas acceder à aucune données ...more >>

I downloaded and installed VC++ 2005 Express Beta February 2005 CTP. I just created a Windows Forms application but in the Toolbox I see no UI components. Am I missing something? :-)...more >>

Most programming languages have the facility to access command line parameters. Is this facility necesary? Why? Can it be improved? -- ioanamirela ------------------------------------------------------------------------ Posted via http://www.codecomments.com ---------------------------...more >>

I use the C++ compiler with Visual Studio .NET 2003. OS is XP SP2. Our projects include many large 3rd party C++ include files. I have installed the hotfix mentioned in MSDN KB article 837437. It helped for a while, but now the problem as popped up again. /Zm option does not help. The funny t...more >>

I added the microsoft terraserver wsdl(version 2) as a web reference to my c++ application(vs.net 2k3). When I attempt to execute the getAreaFromPT method, I get an 'unspecified error' HRRESULT. This happens after it successfully sends the soap msg to the web service and recieves a well-formed...more >>

Hello All, I have an MC++ class named "Person" which encapsulates access to a database entity and it contains a number of field properties eg. Code, Name, Address, Suburb etc. Each of the field properties is of type "Field", so we have eg. __property Field* get_Code( ); __property Field*...more >>

Hi I added all required components : 1. IDL file 2. Reg file 3. Document file is modified for adding automation stuff. 4. Iniinstance has been modified. Yet my executable does not have right typelib information. If I open typelib and executable to view type lib info they are grossly differe...more >>

Anyone, I'm looking for a way to setup a callback function in our VC++ .ne 2003 7.1 console application using a higher resolution timer. Th multimedia timer is too low resolution at 1 millisecond. We nee microsecond resolution to guarantee an exact update rate (60 or 70 H for example.) ...more >>

I have some code that looks a bit like this (note: this isn't the actual code, it's just here in an attempt to help me explain what actions I'm doing): void foo(int bar1) { } void foo(float bar2) { foo(3); } If I move the cursor by mouse to the word "foo" on the line "foo(3)" ...more >>

I have just begun to to learn how to write macros in VC++. For learning purposes, I would like to implement a macro that accesses all files in a 'test' project and makes a series of changes to these files. I am able to identify each file in my project and then open the file. But I have yet...more >>

I have an enumerated type like this: public __value enum MyType{ ABC = 1, DEF = 2, GHI = 3, JKL = 4 }; Later I have a for loop like this: for (ft = MyType::ABC; ft <= MyType::JKL; ft++){ //Do stuff } I then get a compile error C2676: binary '++': 'MyType' does ...more >>

I use the function PlaySound(FileName, NULL, SND_FILENAME | SND_ASYNC | SND_NODEFAULT) to play a .WAV sound file in my program. How do I pause it? Is there such function as PauseSound in Visual C++? Thank you, ...more >>

I have a vc++ dll that needs to run on english, german, and japanese machines (those are my testing machines but it needs to run globally). I couldn't get the dll to load in all environments so I made a test MFC app. If I compile the app with UNICODE, it will run on english and japanese but ...more >>

Hi, all: Are there any RPC developement example available? Thanks CYShao :-) ...more >>

hi! i want to load an icon into the clipboard using win32 api. i have loaded the BMP image using following function. ::SetClipboardData(CF_BITMAP, (HANDLE)hBmp); but dont know how to load the icon. Thanx. Ahmad Jalil Qarshi ...more >>

Hey everyone, I noticed that unlike C#, managed C++ still uses headers and implementation files. My question is, is there any consensus of where to put the implementation of the managed class? In my project, I put everything in the header file. I don't see the need to put it in a seperat...more >>

Hey everyone, When I compile my managed C++ project I get the following linker error: nochkclr.obj : warning LNK4099: PDB 'libc.pdb' was not found with 'C:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\lib\nochkclr.obj' or at 'C:\XXXXXXXX\Debug\libc.pdb'; linking object as if no debu...more >>

Hey everyone, Why is there no foreach extension in managad C++? Will it be in a future release of managed C++? For instance, the keyword __foreach could be reserved to do that. Thanks, -- Tom Tempelaere....more >>

Hey everyone, I know regular c++ has cast operators: dynamic_cast, static_cast, const_cast and reinterpret_cast. But, I'd like to know if I can use any of these to cast from System::Object to a managed class. If not, what cast operator do I need? Thanks, -- Tom Tempelaere....more >>

Hey everyone, If I am writing a .NET library using managed C++, when exactly do I have to decorate a pointer with the __gc decorator? Thanks, -- Tom Tempelaere....more >>

Hi everyone, How do I set the visibility of a member in managed c++ to internal (I'm used to using it in C#, but can't find in C++.NET) Thanks, -- Tom Tempelaere....more >>

Thanks for making such an awesome programming environment, it's truly amazing. I really like C#, but C++ .net is so powerful, (The Interop capabilities are mind boggling.) Here are the things that I personally like the most: (The improvements in VS2005 framework). 1. The new System.Direc...more >>

who knows that software serves in order to compile a projetcs c++ (VC7) for ITANIUM with Windows Serveur 2003. ...more >>