Following the example in the help for the generic List class, which shows the Serializable attribute being used on the generic class, like so: [SerializableAttribute] generic<typename T> public ref class List : IList<T>, ICollection<T>, IEnumerable<T>, IList, ICollection, IEnumerable ...more >>

Hi, I have a list view that will be update dynamically when new information is received. I parse through the information and call the update function to clear the current items that are in the list and print out the new data. My problem is that I dont see a function that will only clear out...more >>

Hello, Anyone knows which tool is able to find out the dependency of a .lib file. Seems Depends.exe only works for .dll. Thanks, Jazz...more >>

I have a .LIB file, built an compiled in C that I need to use in my .NET application. If I build a C++.Net Console application and activate the exposed functions directly the library works perfectly. If I try to compile the .LIB file into a managed DLL for use in either my VB.Net GUI or my ...more >>

What I'm actually talking about is, when you put the same class in different assemblies, you get two different types. This is reasonable (if you would call it) in most cases as it avoids possible misuse. However, what about if I do want to consider classes with exactly the same definition in d...more >>

Hello, I'm trying to rewrite visual c++ code into visual c++ .NET code and I've run across a problem with storing objects into a list. Here;s an example of the code I have: ref struct Cookies { String^ Name; array< RaisinCookies ^>^ rCookies; array< ChocolateCookies ^>^ cCookies; } ...more >>

Hi there, I'm having a bit of trouble using an HRASCONN object as a class member variable inside my managed C++ class. When I call RasDial() and pass in the address of my HRASCONN object, I get the following compiler error from Visual C++ 2005: error C2664: 'RasDialW' : cannot convert p...more >>

After upgrading to VS2005/SP1 we started seeing this error (800736B1) on our VC dlls. As close as I can determine it has something to do with the C runtime.? I copied the files from Microsoft.VC80.CRT along with the VC dll and this seems to work on some machines but not on others, so there ...more >>

I am having linkage errors in my release build as ff: ------ Build started: Project: myModule, Configuration: Release Win32 ------ Linking... Creating library c:\mypath\myModule.lib and object c:\mypath\myModule.exp Class1.obj : error LNK2001: unresolved external symbol __imp___CrtDbgRep...more >>

Hello, I've added a list view to a windows form and I want to add items and subitems to the list at runtime. The problem that I have is that when I try to use the list view control variable it throws the following error An unhandled exception of type 'System.NullReferenceException' occurr...more >>

I have a static event declared in a C++ ref class, that can then be handled in a VB app. I'm trying to expose the static event through the interface that the C++ ref class implements so the VB app can use the interface as preferred. How do you expose a static event through an interface? ...more >>

Hello everyone, I get a strange compile error when compile such simple program. Any ideas? foo.c: In function `main': foo.c:5: error: storage size of 'var' isn't known foo.c [CODE] #include "goo.h" int main (int argc, char** argv) { t_st var; var.member = 100; retu...more >>

Hi newbie here. I am learning c++/cli I by writing console apps. When my apps finished they used to display a message at the bottom of the screen, something like "press any key to continue" so that you could see the results before returning to the IDE. But now they don't. I must have turned a ...more >>

Hello I don't have C++/CLI 2.0 reference handy and the code below was written after long hours of research and shallow readings. From what I see, the code works and looks logical to me. Can you please review it and tell me if I overlooked something. On the other hand, can you suggest a g...more >>

Hello I am writing managed c++/c++ native code. We have soem buffer passed as char* from native, and we want to pass to a managed MemoryStream object. Is it possible to have a Byte [] reference that char* and then we set the Byte[] size? Or this: http://msdn2.microsoft.com/en-us/lib...more >>

Hello again! :( I'm trying to implement asynchronous DnD (and Copy/Paste) in a custom NSE: despite the lack of documentation, I found that i need my DataObject implement the optional interface IAsyncOperation. I want to always use asynchronous operations, so I added the following lines to my ...more >>

When trying to deploy my C#/C++/CLI application on a Win XP Pro SP2 with .NET FW 1.1 and 2.0 I get the following error when opening my C++/CLI application with dependency walker: Besides the MPR.DLL module in dependency walker there is a Delay-load module warning. And when I run the applica...more >>

hi.. Group, is there any lock statement like C# in managed C++? thanks ...more >>

Hi, I have a c# GUI that needs to untimately send its data down to unmanaged c++. I've decided to do this by having a ref struct in the CLI layer and have the c# populate this, and then pass it back to the CLI layer. The CLI layer will then populate the unmanged struct where the data needs ...more >>

I am attempting to manually load debug symbols for a module. I am doing it by carrying out the ff steps: i). Select the call stack window ii). right click and select 'Load Symbols' from displayed menu iii). The Find Symbols: MyModule.pdb dialog box is displayed However, when I navigate ...more >>

How do I get it to work? I keep getting the likes of LIBCMT.lib(tidtable.obj) : error LNK2005: __decode_pointer already defined in atlmincrt.lib(atlinit.obj) for the following (none of which I explicitly call). __encode_pointer __encoded_null __decode_pointer _osplatform _get_osplatfo...more >>

Hello, I have code written using the basic fstream object on a Win32 system. This is of course simply a typedef for basic_fstream<char, char_traits<char> >. This object can not be used to write or read files that are larger than 2Gb in size, as it would appear (from looking at the iosfwd ...more >>

Hello everybody, Been just thinking how actually one could convert the following unmanaged code to the managed C++: struct JustAnExample { char value1[100]; int value2[120]; // etc .... } There're numerous examples how to cope with unamnaged C++ to C# conversions, but I don't f...more >>

Hello guys, Right now I have run into a problem. In my windows application I wish to run a function called waitForClient(), which waits for a clients connection using WinSock. Anyway, within the button click event, I have inserted this function. The only problem is that when you click the but...more >>

I have a Visual Basic 6.0 ActiveX Control. It seems there is no way with VS 2005 to create a similar control for containers that host ActiverX controls, is this correct ? I'm thinking of converting the VB 6 project to VC in VS 2005. This seems to be a very different process. Where is a...more >>

I have an algorithm that processes data recursively. When I'm testing it works fine, but when I feed it data from the actual application, I get "stack overflow". What bothers me is that the data my recursive processor is seeing in production is identical to the test data; the only difference i...more >>

Hi friends, i making a COM DLL in vc++ , this DLL is using a 3rd party dll function. i m calling a function of this DLL. But i m getting error error PRJ0050: Failed to register output. Please ensure you have the appropriate permissions to modify the registry. when i m commenting t...more >>

Hi, I'm facing an issue and your help could be very helpful. In few words, I have a app build with VC++ 2005 SP1. I want to deploy it on a target machine, because the CRT dependency described in the manifest can't be resolved -> I have to deploy the CRT on my traget computer. No real issu...more >>

I'm fairly good with VB6, and as far as I know there is nothing in the reference books that allow manipulation of Int13h. There must be a way using VC++, but I have no documentation. Could someone lead me in the right direction? Thanks. -- EndTime -----------------------------------...more >>

Hello, I want to know how to statically link GDIPlus.dll with VC++ application that should be able to run on W2k machine without the existence of GDIPlus.dll on the target machine. Currently, when i statically link the dll and run the application on target (W2K) machine it throws an exce...more >>

I get this error message in VS 2005 when compiling Vista icon: ..\File.rc(623) : error RC2176 : old DIB in res\main.ico; pass it through SDKPAINT Using VS 2005 with latest SP1 for Vista ...more >>

Hello everyone. The problem may be obvious, though I'm a bit puzzled by the error LNK2028 when attempting to utilize my static library. The all methods of the class defined within that library do not pose any troubles, but template based methods. Let's say this is a header: class LooseFunc...more >>

I am working on a largish project (about 40 modules). I have created a solution that builds all 40 modules/projects. However, I want to be able to automate the build process - and kick it off without having to start the IDE etc. I fiddled around with NAnt for a while but it seems VC8 dosent...more >>

I have a solution with a two projects. The first project contains my classes and an executable using those classes. The second project contains unit tests for the classes. Because the unit test framework that I use requires a main function I have to keep the tests in a separate project. Now wh...more >>

If I understand the difference correctly, when compiling with /EHs "catch" will only catch objects that were "throw"n. With /EHa, "catch" will catch thise plus will catch things like addressing exceptions. When compiling with /EHa, can exceptions like addressing exceptions be caught as a sp...more >>

Hi, I'm trying to have a unmanaged object contatined in a a managed class. THis is no problem, but I need access to this object in other managed classes. I'm not sure how to do this. I mean, it wouldn't really make sense to be able to pass in a unmanaged object into a managed anything beca...more >>

Found another variation on my previous bug (https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=100917) I would welcome validation and votes. class ISkewEstimator { virtual void get_Sum(double* const pdRetval) const = 0; }; class CSkewEstimator : ...more >>

Hi all, Why is the following code doesn't work? public ref struct MyType { .................. }; MyType GetMyType() { MyType result; ...................... return result; } The compiler says Error 3 error C2440: 'return' : cannot convert from 'MyLib::MyType' to 'MyLib::MyT...more >>

In C++.NET 2003 Windows Forms App I fill a ListView control with process name & second column is the Process ID. I would like to kill the selected process, which is simple in VB.NET or C#, but cannot work it out in C++. In VB.NET, I'd do the following: Dim intProcID As Int32 Dim Proc ...more >>

After VS2005 SP1 crashes enough times, it stops offering to send crash dumps to Microsoft. But it doesn't stop crashing. When VS2005 SP1 reloads a project after a crash, it still displays a reminder "ha ha, you forgot to spend 30 minutes doing an Analyse in SourceSafe". Then it still proc...more >>

Hi, Is it possible to define DllMain in a static library for use in dlls? The reason is that I am defining a platform abstraction for being loaded as a shared library and I figured the simplest way is to implement DllMain in a static library, which then calls mydllmain. I define this lib...more >>

Dear All, I am a NewBie in Visual C++. I would like to know how to call a "Active X Dll" COM Library created by VB 6.0 At this moment, i am using a simple hello world console program and a customized VB 6 COM as the client. Should i use something like ?: #import "D:\testing.dll" htt...more >>

I am trying to override WndProc like I would in this VB.NET sub. How do I do it? <System.Security.Permissions.PermissionSetAttribute(System.Security.Permissi ons.SecurityAction.Demand, Name:="FullTrust")> _ Protected Overrides Sub WndProc(ByRef m As System.Windows.Forms.Message) If m....more >>

Can anyone convert this to managed C++.NET 2003? Private Function PrevInstance() As Boolean If UBound(System.Diagnostics.Process.GetProcessesByName(System.Diagnostics.Proc ess.GetCurrentProcess.ProcessName)) > 0 Then Return True Else Return False End If End Fun...more >>

hi.. Group Some unmanaged code invokes my code to show a form. If I use ShowDialog() to show the form, form shows but main application stops running. If I use Show() to show the form, main application runs but my form does not get shown. Does anyone have experience on how to handle th...more >>

I am trying to migrate code to MSVS 2005. I found some code trying to take sizeof a member in a nested struct, see below. I know the typedef is wacky, probably a C coder who did not know C++ well. Now, to me, neither sizeof() looks right, I thought there were restrictions on that kind of th...more >>

Hello everyone, I'm totally new to the group and I would like to learn from you. Thank you in advance! I need to write a program to track whether a mathematical function has changed during run-time or not. The program should work with any mathematical function provided by users. Let's ta...more >>

Hi all, What is the equivalent construction in managed C++ to CSharp's IS and AS keywords? Thanks. ...more >>

Hi, I'm trying to deploy an application written in C++, C++/CLI and C# on pc's that do not have VC2005 installed. I am having issues with assemblies loading, in particular the C++/CLI one and am getting FileLoadException when it tries to load the dll. I know I can get round this problem by ru...more >>

I have write some simple code,this code does not shows network mapped drives when we run it under system account, otherwise under user account it shows them correctly. Any body tell me why did its behaviour change under system account, and how we can do it under system account. CFileDialo...more >>