I have a MFC app that was developed with VC++ 2003 7.1 . I have now upgraded to VC++ 2005 8.0. Eventually I plan on using a Windows Form Control and hosting it on existing dialog. 1) First I compiled the project in 2005 and fixed a few errors and am able to compile/run with seemingly no proble...more >>

I have to implement a delegate from a c# assembly. It has the signature public delegate void Change(int[] row, int[][] col); The error I get given when I try to implement a compatible method, void test(int row __gc[], array<array<int>^>^ col) say, is Error 1 error C2061: syntax err...more >>

Hi All, We meet an evil condition for our project. Our project has 3 layers. A C# layer to do some business logic, and Managed C++ layer translate managed values to native ones or vice verse.(vs2005, /clr:oldSyntax) . UI layer are written in native C++. Currently, we meet a random cr...more >>

In C# project I could include any file in my assembly and access them with Assembly.GetManifestResourceStream(...) Is it possible to do the same thing in ManagedC++ projects? How? ...more >>

I am the author of the ZLibNetWrapper project on SourceForge (located at zlibnetwrapper.sf.net). This project is a simple mixed-mode .NET wrapper around the ZLib compression library. The ZLib code consists of a few C source files. For Visual Studio 2003, this wrapper compiled fine without h...more >>

hello, all, my problem: my company sells an COM component compiled in VS6 using ATL. one of our valued customers is having some problems with a beta version of our component; it crashes their app. they develop in VSdotNET. i am considering the possibility of providing them with a pdb file al...more >>

I am trying to "clean up" a solution with 10 projects and I was wondering if there is a way to "traverse" the source files to find not only the #includes but also remove #includes that are not needed for a file. -- Thanks, Michael S. Wells \|/ Software Engineer ...more >>

I started writing .net code yesterday and I am grasping it well enough. I have a few questions about SortedLists. I am using managed C++ if that makes any difference. Of the examples I have seen it looks like the Sorted List does not use the ^ while other variables do use the ^. I have...more >>

Hi, I'm trying to recompile a program originally done with VC6, with VC++ Express plus the Platform SDK. I'm an embedded C programmer... I know next to next to nothing about programming Windows applications. So, I got some unresolved external link errors about security_cookie, which I found...more >>

I'm trying a double indirect look-up table for some function pointer in = my app (yep, I have good reason). I'm trying to use std::map for the table but (because of the double = indirection) I need to use a "std::map*" Which I don't know how to map[index] (with a pointer) Now perhaps I'm misu...more >>

In the second Chapter of Charles Petzold's "Programming Windows", 5th Edition, we have the following listing: /*----------------------------------------------------- SCRNSIZE.C -- Displays screen size in a message box (c) Charles Petzold, 1998 -----------------------...more >>

Give me this error: Error 1 Command line error D8045 : cannot compile C file '..\..\..\..\Dev\API_C++\cutil.c' with the /clr option cl But it's a very ordinary C file! no special function like setjmp just malloc/free and some pointers Any idea? ...more >>

hi all, i have some class with a few methods inside. those method used by external program (as a dll). how should i declare those class methods so i can use it outside?? another question is it possible to declare the all class as import or export?? Thanks...more >>

Hi, I have a large unmanaged static C++ library which I've wrapped using a small C++/CLR DLL. This is called from a C# client application. The static library has a singleton, however it appears that it is being instantiated twice. The first instantiation is down to me calling singleton.i...more >>

I am trying to wrap a very old dll from Epson with a Managed Dll. Their declaration for the callback is this: typedef int (WINAPI* DLL_BiSetStatusBackFunction)(int, int (CALLBACK EXPORT *pStatusCB)(DWORD dwStatus)); but when I compile it, I get the following errors: Error 1 error C2143: ...more >>

We have a MFC win32 desktop application written in Visual C++. We were using Visula studio 2003 as the editor and everything was compiling, linking and working fine. Since we want to move to .Net world, we are in process of using Visual Studio 2005 instead of Visual studio 2003. During the con...more >>

Hey everyone. I have a function that reads in a registry value (for the windows firewall) and one that disables it. Reading the value works perfectly. However, I am getting an access denied error when trying to set the value. Here is the body of the function HKEY hkeyFirewall; if ( ...more >>

Hi all, A VC 6.0 project( output is a Activex DLL) is converted to VC 2005 project and the output here is again a DLL. When i try to include this DLL as a refernce is another VB 2005 project, i see this DLL as a COM DLL and it is creating a interop DLL for interoperability. Why is it still ...more >>

Hi all, A VC 6.0 project( output is a Activex DLL) is converted to VC 2005 project and the output here is again a DLL. When i try to include this DLL as a refernce is another VB 2005 project, i see this DLL as a COM DLL and it is creating a interop DLL for interoperability. Why is it still ...more >>

Hi Everybody! I need to develop some functions in C++.NET DLL and share it to Visual Basic 6.0, which is the best path to create a C++ DLL an then use that function later...? I appreciate some help. Thank you Carlos Villaseñor M. ...more >>

Hello, I am currently working on a C++ project for a PocketPC with Windows Mobile 5.0 in Visual Studio 2005. I am currently looking for a way to get file version information, i.e. file version, product version, file modified date, file creation date, etc. The only way I could find wa...more >>

My C++/CLI program uses the WinAPI to create a document, and my use of the Rectangle function--BOOL Rectangle (HDC hDC, int nLeft, int nTOP, int nRight, int nBottom--results in a compiler error C2872-'Rectangle':ambiguous symbol. How can I resolve this ambiguity? Thanks, David...more >>

Hi Trying to learn c++ and am woundering over afew things 1) What is the diffrence between . and -> and :: ? 2) Why do you sometimes have to use ^ after declaring a object, what exacly does it do? 3) What is the diffrence between & and *? (I know that * is a pointer) 4) Managed and Unmanaged ...more >>

I used trend micros housecall online scanner and it qaurantined alot of important files on my pc i.e. university coursework, its currently in a folder called ".housecall" id be really grateful if anyone could tell me how to restore these files....more >>

I'm attempting to write a fairly complex data structure. One part of the complexity is that all 8 data operations it supports delegate some code to virtual method. This is by design because I want the user to subclass the data structure and be able to prevent changes to happen. and / or I ...more >>

Hello I new to intantiate following array: CString (**newArray)[2] I tried following syntax, by fail. int count = 10; CString (**newArray)[2] = new (CString*[2])[count]; How to write correct syntax? Thanks Milan ...more >>