Search Results - CodeGuru Forums
CodeGuru Home VC++ / MFC / C++ .NET / C# Visual Basic VB Forums Developer.com

Search:

Type: Posts; User: AlanCCC

Page 1 of 3 1 2 3

Search: Search took 0.01 seconds.

  1. How new/delete stores the internal info about the allocated buffer?

    I am using C++ new/delete operators to allocate/deallocate the buffers. I think for each allocated buffer, there should be an additional info block stores the size and other info about the buffer....
  2. How to determine size of an allocated buffer

    I use new to allocate a buffer, as follows:

    BYTE *p;

    p = new BYTE[20];


    If I do NOT store the size of the allocated buffer, how to determine the buffer size via p only?

    Thanks
  3. How to determine if a buffer is freed or not

    I use new to allocate a buffer, as follows:

    BYTE *p;

    p = new BYTE[20];


    ...

    delete p;
  4. Replies
    6
    Views
    429

    Code Style Checking Tool

    Hi,

    Are there any good free or commercial software that can check the C++ code style and find any codelines that violate a given code style specification? For example, whether the codeline is...
  5. Can two functions in same DLL be called by two threads?

    I write a DLL MyDLL.dll with Visual C++ 2008, as follows:

    (1) MFC static linked
    (2) Using multi-thread runtime library.

    In the DLL, this is a global data m_Data shared by two export functions,...
  6. Replies
    12
    Views
    772

    Best way to allocate large memory

    In my Visual C++ app, I know the total objects(CMyObject) to be allocated is 16728064 and each object is 64 byte, so the total memory to be allocated is 1GB. The memory will be allocated in the...
  7. Invoke AfxThrowMemoryException cause "Access Violation"

    I want to override the operator new in a class, as follows:

    class CMyclass
    {
    public:
    void* operator new(size_t);
    void operator delete(void*);
    };
  8. Pass more parameter in overriding new operator

    I want to override new operator in C++, by following the instructions at http://www.cprogramming.com/tutorial/operator_new.html

    class CMyclass
    {
    public:
    CMyClass(BOOL...
  9. Replies
    3
    Views
    418

    How to clone an object in C++?

    I define two classes in C++, as follows:

    class CBaseClass
    {

    }

    class CDerivedClass : public CBaseClass
    {
  10. Replies
    7
    Views
    895

    Check if a given 8 byte is a valid double

    Hi,

    Is there a function in C/C++ that can check if a given 8-byte data block is a valid double value in the valid range?

    Thanks

    Alan
  11. Replies
    2
    Views
    1,253

    How to reduce the size of an object

    I am using Visual C++ to write an app. I write CMyObject class and may allocate a lot of instances of CMyObject object, so I want to reduce the size of CMyObject class.

    What I can figure out to do...
  12. Replies
    3
    Views
    452

    Store some variables in disk

    Hi,

    I am using Visual C++ to write an app. One problem is that the application will allocate a lot of object instances of a specific class CMyObject, maybe 400, 000. This will cause “Out of...
  13. How to use ATL 7.0 string conversion macros?

    I have a problem in using ATL 7.0 string conversion macros.

    My codes looks like this, which uses ATL 3.0 string conversion macros in the past:

    Void Myfunc()
    {
    USES_CONVERSION;

    LPSTR lpszA;...
  14. SEH hanlder cause compiler warnings and errors

    I use a SEH handler in my code, like this:
    __try
    {
    .. Some codes ...
    }
    __except(
    EXCEPTION_EXECUTE_HANDLER
    )
    {
    TRACE(_T("Exception"));
  15. Whether 0xFFFF is a valid Unicode character?

    Hi,

    I just wonder whether 0xFFFF is a valid Unicode character.

    When I using the following code:

    CStringW strTempW;
    CString strTemp1;
    INT_PTR nLen;
  16. Replies
    5
    Views
    899

    Re: Preallocate memory for CByteArray

    If I using the following codes:

    CByteArray Buf;

    Buf.SetSize(65536); // preallocate buffer

    ...

    ...
  17. Replies
    5
    Views
    899

    Preallocate memory for CByteArray

    Hi,

    I am using CByteArray as a buffer in Visual C++. I want to preallocate nSize memory for for CByteArray, so that later when I try to change the buffer, by calling SetSize, Add, Remove, etc., as...
  18. How to know if a VS2008 project supports multithread or not?

    Hi,

    I get a VC2008 project with full source. How to know whether it supports multithread or not? I think as long as the “Runtime Library” under “C/C++” - “Code generation” category is set to...
  19. Determine the type in the function template

    Hi,

    I want to detect the type in a function template, like this:

    template <class myType> myType Function (myType a, myType b) {

    // Detect the myType
    If (myType is int)
    {
  20. How to convert UTF-8 string to Unicode string

    I am using Visual Studio 2008. I just wonder if there are any library function in Windows SDK or MFC, or from third-parties, that can convert a UTF-8 string into Windows Unicode string(used in...
  21. Simple Web-based Teamwork Publishing System

    Hi,

    I am looking for a simple web-based teamwork publishing system, to trace the bugs of my software project.

    The system should:

    1. Be hosted on our webserver
    2. All the members of a...
  22. Replies
    2
    Views
    527

    Debug-only AfxMessageBox

    Hi, I am looking for a function like AfxMessageBox, but will only available in Debug Version, to display some error messages. I have thought of TRACE, but it will only dump the error message in the...
  23. Replies
    5
    Views
    1,049

    Re: Compatibility of MFC-based Automation?

    Then how to make it work with Word 2007, 2010 and 2013? Does these Word provides type libraries and I can import them with Class Wizard as well?
  24. Replies
    5
    Views
    1,049

    Compatibility of MFC-based Automation?

    I am reading the article http://msdn.microsoft.com/en-us/library/office/aa155776(v=office.10).aspx . I am just curious if I using Visual Studio Class Wizard to create MFC class based on Microsoft...
  25. Replies
    4
    Views
    973

    Problems in Passing File Handle to DLL

    I write a small application and using the following API to open the file:

    hHandle = CreateFile(lpszFileName, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
    NULL,...
Results 1 to 25 of 52
Page 1 of 3 1 2 3


Windows Mobile Development Center


Click Here to Expand Forum to Full Width

This is a CodeGuru survey question.


Featured


HTML5 Development Center