Answer Questions

• CompiledMonkey CBitmap - Simple example

  Hi, I am trying to load some images in a Picture Area. I only have the pointers to the images, and this pointers are of the type unsigned long* (I can also convert it to IplImage* to use with OpenCV). This unsigned long* get the images grabbed from an camera and I would like to display these images in this Picture Area (it is real time, I get the images from my camera and display them). I have tryied to use this (HBITMAP)LoadImage function, but ...Show All

• hsacks Connection pointer in ATL with Visual Stadio 2005

  I created a ATL project using wizard, added an "ATL sample object" class supporting connection points. For instance:The library name is TestATL, the object's short name is Test, I got four classes:ITest, _ITestEvents,CTest, CProxy_ITestEvents But I can find tow enties in "Class View": the root node and TestATLLib. I added method for _ITestEvents with wizard displaying after right click the node under the TestATLLi ...Show All

• MichaelVictoria GetTapeParameters

  Hi, I'm trying to retrieve the block size from a tape. I'm using the method GetTapeParameters, with the flag TAPE_GET_MEDIA_PARAMETERS. The block size returned is 0, although I know that the block size used to write the tape was 64k. Is there anything more I need to do to retrieve the tape block size from a tape Here's the code snippet: TAPE_GET_MEDIA_PARAMETERS m_TapeMediaParameters; DWORD dwSize = sizeof (TAPE_GET_MEDIA_PARAMETERS ...Show All

• programmerjoey Using an ArrayList to store instances of a class in VS2005

  Hi all, As you may gather from the title I am trying to use an arraylist to hold instances of a class, so I can later loop through the values held in the different instances of that class easily. The class declaration is: public ref class Notes { public: Notes(void); int note; int duration; }; this is then instantiated in another class along with the arraylist: public ref class Score { public: Score(void); //arra ...Show All

• Svetik __stat64, redefinition; different type when including sys\stat.h after wchar.h

  #include <windows.h> #include <wchar.h> __stat64 a; #include <sys\stat.h> __stat64 b; // <-- compiler error Example compiler output: d:\temp\t3test1\t3test1\stdafx.h(20) : error C2146: syntax error : missing ';' before identifier 'b' d:\temp\t3test1\t3test1\stdafx.h(20) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int d:\temp\t3test1\t3test1\stdafx.h(20) : error C237 ...Show All

• Sebastian Chiariello migration from Visual c++ 2003 to visual c++ 2005

  Hi, We are in process of migration from Visual c++ 2003 to visual c++ 2005.(VC 7 to VC 8) My question is that ..... Will VC 8 binaries work with VC 7 binaries. Suppose there are 100 dll in my Application which are generated under VC 7. Now I migrate only 50 of them to VC 8. and let other binary be in VC 7. Now I make integration(create a setup) and install it on clean/fresh machine. will my application will work under ...Show All

• Nidal-Fouad-Hajj-Youssef aspell compilation problems

  Hi, I tried to post on the forum but it kept coming up with an internal error so i was wondering if you could help me with the following:I have recently been trying to compile aspell (a spell checker written in c and c++) in visual studio .NET (2003) which has taken forever but i managed to get it to compile a dll now. When i come to add this dll file into another project which will be using the methods from this dll it keeps giving ...Show All

• CTY Problem using argv in main

  Hello there, I am pretty new at this C/C++ I am writing a console program, and from what I read here, and around the internet is that the argv array in main()  is supposed to hold any arguments entered on the command line... argv[0] is the name of the program, and argv[1] to argc is the arguments. So if I were to write a program that opened a file in binary mode. To run it I would type executable and then the file I want to open and oper ...Show All

• rhc_advent OpenFileDialog

  I have this code that I want to put in my project but I do not know exactly where to put it or how to complete it, if someone could please help me with this CommonDialog.Flags = OFN_FILEMUSTEXIST + OFN_HIDEREADONLY + OFN_ALLOWMULTISELECT CommonDialog.DialogTitle = "Select Map" CommonDialog.Filter = "Map Files (*.map)|*.map|All Files(*.*)|*.*" CommonDialog.FilterIndex = 2 CommonDialog.CancelError = True CommonDialog.Action = ...Show All

• Rajeev Gupta About unicode settings in visual studio 2005, it really puzzled me a lot

  When I tried to open a file whose name contains non-english words by using ifstream in vc6, everything was OK. But in vc2005, any file path contains non-English words will never be openned successfully. How to do it the right way My code is as below:  ifstream f;  f.open("C:\\Documents and Settings\\Could\\桌面 \\hehe.txt",ios::in );  //f.open("F:\\My Cpp\\Projects\\__stl_read\\__stl_read\\hehe.txt",ios::in); assert(!f ...Show All

• Becky N Optimization problem

  Our application crashes during execution a floating point instruction. It seems to be an incorrect optimization. When the method 'CLPController::StopPlaying' is called from the 'CLPController::SetLogTime', a floating point value is remaining on the top of the FPU stack: 00AC4575  call        CLPController::StopPlaying (0AC3090h) 00AC457A  fstp        qword ptr [es ...Show All

• Mike_Toth porting expression templates to generics

  I'm trying to port simple expression template to generics but I get this errors (The code is shown below): (1) left of '.Apply' must have class/struct/union (2) left of '.GetRowNum' must have class/struct/union (3) 'return' : cannot convert from 'Expression<Lhs,Rhs>' to 'Expression<Lhs,Rhs>' Cannot copy construct struct 'Expression<Lhs,Rhs>' due to ambiguous copy constructors or no available copy constructor ...Show All

• John Vulner - MSFT Manifest missing info about msvcr80.dll (NET 7.1 -> 8)

  Hi, I converted a C++ project from VS .NET 7.1 to VS .NET 8. The project uses old fopen methods and similar. Under 7.1 the project compiles and runs, but under 8, I am unable to run. First, when running the application, it complains about missing msvcr80.dll. Then, when I locate it (somewhere) on the computer, I get the error that the application tried to load the dll in an illegal manner. When searching for info on this, I stumble int ...Show All

• deadlycow1337 Creating Strings

  Hello, I've been wondering how is it possible to create a global String variable When I write "String^ str" it says: global or static variable may not have managed type 'System::String ^' 1>        may not declare a global or static variable, or a member of a native type that refers to objects in the gc heap But when it's in a private operation it works. With Thanks,          ...Show All

• John Dallman Question about the express edition(switching the compiler)

  I have a purchased copy of visual C++ 6 standard. I recently decided to try the 2005 express edition as i was considering upgrading. I found that while I like the ui better, it lacks a large amount of the header files that came with VC++6. I was wondering how i would go about switching 2005 to the compiler and header set of 6.0 or if that is even possible. Yep, thats what i needed, thanks :) ...Show All