mapped drives from service application in logon mode

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  - 1
    - Programmatically find the MAC ID of a disabled NIC HI all, In my project, I need to find out the MAC ID of all the NICs, including those which are disabled, on my system. How can I get this information using C/C++ code? Is there an api call or a CRT function? Can anyone help me please :) ? Thanks in advance, Shaji. Tag: mapped drives from service application in logon mode Tag: 282674
  - 2
    - Debug Global Objects In VC++Express, can you debug (display) the contents of a static global object within your current context, if you have not referenced it? Tag: mapped drives from service application in logon mode Tag: 282664
  - 3
    - UTF-8 std::string to System::String^ Hi, I have a std::string which I know is UTF-8 encoded. How can I make a System::String^ from it? I tried UTF8Encoding class, but it wants a Byte array, and I don't know how to get that from a std::string. Thanks for any help! Tag: mapped drives from service application in logon mode Tag: 282653
  - 4
    - Fatloss computer program I have been using this computer program for a couple weeks now and i am very pleased with the results so far. its a software fatloss program, if your looking for a diet/weightloss plan i reccomend you check this place out first: http://fatloss9.50webs.com Tag: mapped drives from service application in logon mode Tag: 282640
  - 5
    - HP Desktop for sale! Hi, I have an unused HP Pavilion with the fallowing specs: # Processor: AMD Athlon 64 X2 4000+ (2.1GHz, 2000MT/s System Bus) # Memory: 2048MB PC2-5300 DDR2 SDRAM memory (2x1GB) (expandable to 8 GB (4 x 2 GB) (64-bit OS)/ 4 GB (4 x 1 GB) (32-bit OS)) # Hard Drive:320GB 7200RPM SATA 3G (3.0 Gb/sec) hard drive # Optical Drive: 16X DVD(+/-)R/RW 12X RAM (+/-)R DL LightScribe SATA drive # Expandable Drive Bay: HP Pocket Media Drive bay # Video Graphics: Integrated graphics # Network Interface: Integrated 10/100BaseT network interface # Sound: High Definition 8-channel audio # Fax/Modem: 56K bps data/fax modem # Operating System: Genuine Windows Vista® Home Premium This is "used" but basically brand new (it has literally been on for no more than 6 total hours..) is only 1 month old.. PRICE: $425 OBO Email- pbdude911@yahoo.com Tag: mapped drives from service application in logon mode Tag: 282637
  - 6
    - Watch NFL Games Online Watch NFL Games Online! For every one who wants to watch the games online because they dont live in the teams town or are at work i found a site that has basically every game covered. Its perfect if you have afford a monthly $70 direct tv nfl access subscription. they got a bunch of channels The sites http://nflonline.wizhoo.com Tag: mapped drives from service application in logon mode Tag: 282635
  - 7
    - Suggestions for a Rusty C++ Developer? Hi, I've been going mostly .NET and Java development for the past nine years, with the last five focused on C#. I'd like to get my feet wet a bit with Windows programming in C++, mainly to get a little more under the hood and possibly to do some Windows Mobile development, most of which seems to be geared around C++ (at least to do anything very useful). I took a semester of C++ ("Introduction to Programming in C++) in college in 1998 and did well. On a scale of one to ten, I'd consider myself probably an eight as far as C# skills go. Does anyone have any suggestions about refreshers/tutorials (on MSDN or otherwise) that I should check out? Something like "C++ for C# developers" :-) Thanks! TWP Tag: mapped drives from service application in logon mode Tag: 282632
  - 8
    - Using thread synchronization My scenario follows - one thread fills a circular buffer and some 5 other threads read the data. The other details follows- 1. All threads operate independently. 2. Certain minimum and maximum difference limit the reading index of any thread from the writing index. In other words, since the speed of all threads are not similar the logic should limit the read index from the write index by some minimum difference and also by some maximum one. 3. I uses critical sections to ensure exclusive access to the buffer and it works fine. 4. I still have to use some synchronization mechanizm that controls the indexing difference between read and write threads(as described in 2) but I can't do it with Critical Section alone. I'm stack with the question which and how mechanisms of thread synchronization should I use(events, semaphores etc...) Can someone advise pleas? Regards Mark Tag: mapped drives from service application in logon mode Tag: 282631
  - 9
    - Using a Windows DLL in Delphi Hello! Sorry for the (kind off OT), but I'm trying to translate the headers for vssapi.dll to use the dll with Delphi. Almost everything is fine and dandy, but when trying to use "CreateVssBackupComponents", I see that the MSDN entry indicates that the function is exported as "CreateVssBackupComponentsInternal". This is true in the Vista version of the dll. In older versions (Xp and 2003) the funnction was exported as "?CreateVssBackupComponents@@YGJPAPAVIVssBackupComponents@@@Z" In vista the function is ALSo present with that name. Is it "safe" to use GetProcedure Address with that long name, seeing that the name has not changes in all three versions (only a new alias was added)? I know nobody can be 100% sure, but is this a safe guess? Why are there a lot of exported function in this dll with those unfriendly names? If not an API supposed to be clear? Tag: mapped drives from service application in logon mode Tag: 282620
  - 10
    - Order of Evaluation in Assignments Can I rely on the right hand side of a deep copy assignment being evaluated before the memory on the left hand side is released and reallocated ? In the following example, will the assignment A = A.Increment() work for all compilers ? #include <stdlib.h> class IntegerArray { public: IntegerArray(); IntegerArray(int length); IntegerArray(const IntegerArray & rhs); IntegerArray operator=(const IntegerArray & rhs); ~IntegerArray(); int GetLength() const; int GetInteger(int k) const; void SetInteger(int k,int entry); IntegerArray Increment() const; static int * intvec(int length); static void del_intvec(int * q,int length); private: int * itsInteger; // array of integers indexed from zero int itsLength; // length of array }; int main() { IntegerArray A(5); for (int j = 0; j < A.GetLength(); ++j) A.SetInteger(j,1); // is this guaranteed to work for all compilers ? A = A.Increment(); for (j = 0; j < A.GetLength(); ++j) printf(" Entry %d is %d.\n",j,A.GetInteger(j)); return 0; } IntegerArray IntegerArray::Increment() const { IntegerArray dummy(itsLength); for (int j = 0; j < itsLength; ++j) dummy.SetInteger(j,itsInteger[j]+1); return dummy; } IntegerArray::IntegerArray() : itsInteger(0), itsLength(0) { } IntegerArray::IntegerArray(int length) : itsLength(length) { // entries uninitialised itsInteger = (itsLength > 0) ? intvec(itsLength) : 0; } IntegerArray::IntegerArray(const IntegerArray & rhs) : itsLength(rhs.GetLength()) { // copy constructor itsInteger = (itsLength > 0) ? intvec(itsLength) : 0; for (int j = 0; j < itsLength; ++j) itsInteger[j] = rhs.GetInteger(j); } IntegerArray IntegerArray::operator=(const IntegerArray & rhs) { // assignment (deep copy) if (this == &rhs) return *this; if (itsInteger != 0) { // release memory del_intvec(itsInteger,itsLength); itsInteger = 0; } itsLength = rhs.GetLength(); // allocate memory itsInteger = (itsLength > 0) ? intvec(itsLength) : 0; for (int j = 0; j < itsLength; ++j) itsInteger[j] = rhs.GetInteger(j); return *this; } IntegerArray::~IntegerArray() { if (itsInteger != 0) del_intvec(itsInteger,itsLength); } int IntegerArray::GetLength() const { return itsLength; } int IntegerArray::GetInteger(int j) const { if (j < 0 || j >= itsLength) { printf(" Index out of range : IntegerArray::GetInteger.\n"); exit(1); } return itsInteger[j]; } void IntegerArray::SetInteger(int j,int entry) { if (j < 0 || j >= itsLength) { printf(" Index out of range : IntegerArray::SetInteger.\n"); exit(1); } itsInteger[j] = entry; } int * IntegerArray::intvec(int length) { return (new int[length]); // array of integers } void IntegerArray::del_intvec(int * q,int length) { delete [] q; // delete array of integers } Tag: mapped drives from service application in logon mode Tag: 282610
  - 11
    - Link Error for Parent class's default copy constructor I'm migrating VC++ 6.0 project to VC++ 2005 SP1 env and getting the linker error. The DLL I'm building has many classes and about 3-4 level deep hierarchy. The link error LNK2001 I get from a subclass's obj file is about missing root classes's default copy constructor - BaseClass::BaseClass(class BaseClass const &). No compiler error. Project compiles OK with VC++ 6.0. Wondering if any one has any suggestion where to look for error. Tag: mapped drives from service application in logon mode Tag: 282597
  - 12
    - recognize .Net controls properly and get infos/styles/properties In a Win32 project Is there a way to get infos/styles/properties for .Net GUI controls ? When using Spy++ and pointing to a .Net Checkbox (WindowsForms10.BUTTON.app.0.378734a) it return no styles like BS_CHECKED, BS_RADIOBUTTON, BS_CHECKBOX,BS_GROUPBOX. My application is similar to Spy++ ...how can I know if the window WindowsForms10.BUTTON.app.0.378734a is a button, a checkbox or something else?? How can I know the button state (Checked or not checked) since there is no BS_CHECKED for a .NET control ??? When looking under the style tab of Spy++ for a .Net checkbox we can see a 0000000B style (unknown style)....Maybe this will point to a solution? Is Win32 is appropriate appropriate to do a ".Net" spy++ ?? Is a managed application will offers more information on .net controls? Thanks, i really need help on this. Tag: mapped drives from service application in logon mode Tag: 282594
  - 13
    - Pimpl idiom without dynamic memory allocation Hello! I have just discovered a way to use the private implementation idiom (pimpl), without the overhead of dynamic memory allocation. For those of you who don't know what this is, Wikipedia has a nice article you can read. Anyway, I discovered that if you make all members in the implementation class mutable, you can in fact use this idiom without any "unnecessary" memory allocation. Here's a minimal example of the method: // In the header of your class called Line #include <string> class Line { public: Line(const std::string& name); const std::string& GetName() const; void SetName(const std::string& s); private: // Private implementation idiom: // all member variables are hidden in this class class LineImpl; const LineImpl& m_pimpl; // normally a non-const pointer }; // and in your implementation file: #include "Line.h" // Here we define the class with the member variables class Line::LineImpl { public: LineImpl(const std::string& s) : m_s(s) {} // all methods need to be const here const std::string& GetName() const { return m_s; } void SetName(const std::string& s) const { m_s = s; } private: mutable std::string m_s; // the trick! all members are mutable }; // create the pimpl instance without using new Line::Line(const std::string& s) : m_pimpl(LineImpl(s)) {} // forward all member functions to the private implementation const std::string& Line::GetName() const { return m_pimpl.GetName(); } void Line::SetName(const std::string& s) { m_pimpl.SetName(s); } Ok experts, what do you all think? This method sacrifies const-correctness for some extra speed. Is it worth it? -- Daniel Tag: mapped drives from service application in logon mode Tag: 282592
  - 14
    - Specify Volume Serial Number when writing Joliet CD Hi there, I know this isn't a 100% relevant group, but unfortunately being palmed onto the device.drivers forum resulted in me being palmed onto another optical specialist MSN group which doesn't see much activity and hasn't resulted in any replies as yet. I'm writing a Data CD using IMAPI and would like to be able to force the volume serial number to a specific value when burning, how can I achieve this? Many thanks in advance. Nick. Tag: mapped drives from service application in logon mode Tag: 282583
  - 15
    - Winsock select timeout Hi, i'm communicating with more than 40 serial devices connected thru' an serial hub. the pc has to communicate thru' UDP to the serial hub. since the response is quite sensitve, ( the application has to timeout within 100msec) we are using "select" call with timeout. There are around 100 threads that are parallely polling all the 40 devices on the serial hub. I noticed that the select call is timingout i.e. returning 0 eventhough there is socket in the buffer..does this mean that the timer got expired when that thread is in the sleep state (i.e. some other thread is running) and later when the thread resumes, it is just returning the previous state... I'm running this application on a 2.66G Pentium PC..will the context switching be an issue at all here. i dont see this problem if the number of threads is reduced...,meaning less context switching. thanks Tag: mapped drives from service application in logon mode Tag: 282579
  - 16
    - add application to firewall exception list on windows server 2003 Enterprise edition Hi , I am trying to add my application in the windows firewall exception list using vc++.I am using iNetFwMgr object to add application in exceptionlist with coCreateInstance functions. This works fine on windows XP and windows vista but when i am running my application on windows server 2003 enterprise edition. it is not adding my application in firewall exception list. Can anybody help me for that?what could be the problem? Regards, R2. Tag: mapped drives from service application in logon mode Tag: 282578
  - 17
    - fonts related query Hi, Is there any way to read the font matrices such as font name, font height, font height in twips from the font file? Regards, Ganesh Tag: mapped drives from service application in logon mode Tag: 282574
  - 18
    - create firewall interface "INetFwMgr interface" using CoCreateInstance failed on window server 2003 I am trying to create a interface of firewall using "INetFwMgr interface" with CoCreateInstance function on window server 2003 but it failed with give me error ERROR_SXS_KEY_NOT_FOUND means. "The requested lookup key was not found in any active activation context". i am not understand the what this error indicate, where i am wrong... please help me.. But the same code is running fine on all other operating system like xp, vista.... Code sample:: hr=CoCreateInstance(__uuidof(NetFwMgr), NULL, CLSCTX_INPROC_SERVER, __uuidof(INetFwMgr), (void **)&fwMgr); create instance Failed with error ERROR_SXS_KEY_NOT_FOUND on window server 2003... If any idea then help me... Tag: mapped drives from service application in logon mode Tag: 282568
  - 19
    - How to get code page from current language input method? Hi there, In my application, I need to get the code page for current IME device. For example, if user selected Chinese in language bar, and keyed in Chinese characters, I need to get code page 936 so I could translate the got key code, which is in unicode. into double byte character set. And if user uses Polish input method, my application should get 1250 as the code page. I am using _getmbcp() to get code page for current locale, but not accurate if the locale is English, but user is inputting other languages. Any idea how to get the code page? Thanks lot, Tag: mapped drives from service application in logon mode Tag: 282550
  - 20
    - A solution to warning C4251 - class needs to have dll-interface...? The following piece of code usually triggers warning C4251: 'MyClass::m_object' : class 'ThirdPartyTemplate<T>' needs to have dll-interface to be used by clients of class 'MyClass': template <typename T> class ThirdPartyTemplate { public: // Constructor. ThirdPartyTemplate() {} }; class __declspec(dllexport) MyClass { ThirdPartyTemplate<int> m_object; // warning C4251! }; Is there really anything wrong about it? Here at LKEB (www.lkeb.nl), we often get this kind of warning, when using Boost or STL. Now it appears that one can get rid of the warning, by wrapping the ThirdPartyTemplate<int> object inside a simple struct: struct WrapperStruct { ThirdPartyTemplate<int> wrappedObject; }; class __declspec(dllexport) MyClassWithoutWarning { WrapperStruct m_wrapper; // No warning! :-) }; Does this approach really solve the problem, or does it only hide the message? Kind regards, -- Niels Dekker http://www.xs4all.nl/~nd/dekkerware Scientific programmer at LKEB, Leiden University Medical Center Tag: mapped drives from service application in logon mode Tag: 282546
  - 21
    - __forceinline and SSE bug in VS2005? At the bottom of this message is an example of what I believe is a bug in the behavior of __forceinline when used with SSE intrinsics in Visual Studio 2005. The summary is it seems that when __forceinline is used on functions that contain SSE intrinsics, the functions are not inlined after a very small depth (something under 10 levels of functions). If __forceinline is replaced with __inline, the functions are all inlined. From what I've read, there is no way __forceinline should cause less inlining than __inline, but that's the behavior I'm seeing. Also, if the SSE intrinsics are replaced with regular C, the problem goes away as well. I know the functions don't get inlined by warning 4714 which gets raised on level 4 (not level 1 as MSDN seems to suggest), and by examining the assembly which clearly shows function calls. In the code below, the template parameter to the inlinetest function determines how many levels of function calls there are before the call to vset, which contains the SSE intrinsics. On my system, only very small numbers (around 5) will successfully be inlined - there's some ambiguity because the exact value has changed a few times and I'm not sure why. Replacing __forceinline with __inline or changing vset to not use intrinsics successfully inlines for much larger numbers (I've tested with 100). If anyone has any input on this problem - something I'm doing wrong or ways to proceed, I'd appreciate it very much. Thanks, -stephen diverdi -stephen.diverdi@gmail.com #include <stdio.h> #include <intrin.h> #define FORCEINLINE __forceinline FORCEINLINE void vset ( float * const _a, float x ) { #if 1 __m128 &a = *( __m128 * )_a; a = _mm_set1_ps( x ); #else for( int i = 0 ; i < 4 ; ++i ) _a[ i ] = x; #endif } template < int N > FORCEINLINE void inlinetest ( float * const a, int i ) { return inlinetest< N - 1 >( a, i + 1 ); } template < > FORCEINLINE void inlinetest< 1 > ( float * const a, int i ) { vset( a, ( float )i ); } int main () { float a[ 4 ]; inlinetest< 100 >( a, 0 ); fprintf( stderr, "%f\n", a[ 0 ] ); getc( stdin ); return 0; } Tag: mapped drives from service application in logon mode Tag: 282544
  - 22
    - Writing to stdin inside an c commandline Application Hello, Does Anybody know (or has an idea) how to Write to stdin stream inside an c Commandline Application? I tried : fprintf( stdin, "STRING" ); which did not work (returned -1 ; error) -- regards, Gerd Keller Tag: mapped drives from service application in logon mode Tag: 282543
  - 23
    - typeid comparision does not work inside macro I have two functions return a type_info. I used them to see if a class is of a specifed type. const type_info& MyOtherClass::desc() {return typeid( MyOtherClass() );}; and /*static*/const type_info& MyOtherClass::isA() const {return typeid(*this);} If i put them in the code straight up it works. I find that a class is of the same knd as itself. But if i put them in a macro the two return different typeIds for the same class. it worked perfect in VS.net (2002). What im i missing?? I can supply a minimal project to show my problem. /Matt Tag: mapped drives from service application in logon mode Tag: 282541
  - 24
    - Loading mulitple versions of a DLL Hi all I have a dll, the source code of which is in C++. I want to be able to load two versions of the dll at the same time. The second version of the dll has some changes to the C++ code. I know that Windows does not allow loading mulitple versions of dlls with the same name, so is there a work around? I know that the 'hacky' way to get around this is to change the name of the dll. But I do not want to do this. I was thinking of using assemblies, but I am not sure how to create one. Does anyone know how to use assemblies or is there something better? Thanks in advance Tag: mapped drives from service application in logon mode Tag: 282506
  - 25
    - vs 8 bug ? Hi Forum, I have some disassembly to post which I think indicates a bug ... if not, then hopefully one of the gurus here can tell me what I'm doing wrong ... The scenario here is a .exe making a call to a __declspec( dllexport ) declared c function ... both projects are configured for _cdecl linkage ... What follows are two dissambly blocks, the first with the ** alleged ** bug, and the second with what seems to ** fix ** the alleged bug ... ------------------------ "bad" code block ------------------------------------------ pApuUpdateHWclock(fCurrentSimulationTime); 00401266 83 EC 08 sub esp,8 00401269 DD 45 A8 fld qword ptr [ebp-58h] 0040126C DD 1C 24 fstp qword ptr [esp] 0040126F FF 15 E8 D4 47 00 call dword ptr [_pApuUpdateHWclock (47D4E8h)] // __asm nop _pApuFubar(x); 00401275 DD 45 E0 fld qword ptr [ebp-20h] 00401278 DD 1C 24 fstp qword ptr [esp] . . . --------------------------------"good" code block -------------------- pApuUpdateHWclock(fCurrentSimulationTime); 00401266 83 EC 08 sub esp,8 00401269 DD 45 A8 fld qword ptr [ebp-58h] 0040126C DD 1C 24 fstp qword ptr [esp] 0040126F FF 15 E8 D4 47 00 call dword ptr [_pApuUpdateHWclock (47D4E8h)] 00401275 83 C4 08 add esp,8 __asm nop 00401278 90 nop _pApuFubar(x); 00401279 83 EC 08 sub esp,8 0040127C DD 45 E0 fld qword ptr [ebp-20h] . . . --------------------------------------------------------------------------------------- So, obviously, inserting a nop into the instruction stream has "corrected" the stack cleanup issue ... What gives , gurus ? Best Regards , gordon Tag: mapped drives from service application in logon mode Tag: 282488
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  - 1
    - Determine windows Control types (win32) Hi, In a win32 project what is the best way to detect the control type just be using the handle (or using any other way.. Ex: I want to know if my object (hwnd) is one of the following windows control types : Animation Button ComboBox ComboBoxEx Date and Time Picker Drag List Box Edit Control Flat Scroll Bar Header Control Hot Key Image Lists IP Address Control List Box List View Month Calendar Pager Progress Bar Property Sheet Rebar Rich Edit Scroll Bar Static Control Status Bar SysLink Tab Task Dialog Toolbar ToolTip Trackbar Tree View Up-Down Control I try GetClassInfos, window style, extended style and other things...but it's always look "generic" and incomplete (no tab, treeview, status bar, etc..) Thanks!. Tag: mapped drives from service application in logon mode Tag: 282479
  - 2
    - Determine windows Control types (win32) Hi, In a win32 project what is the best way to detect the control type just be using the handle (or using any other way.. Ex: I want to know if my object (hwnd) is one of the following windows control types : Animation Button ComboBox ComboBoxEx Date and Time Picker Drag List Box Edit Control Flat Scroll Bar Header Control Hot Key Image Lists IP Address Control List Box List View Month Calendar Pager Progress Bar Property Sheet Rebar Rich Edit Scroll Bar Static Control Status Bar SysLink Tab Task Dialog Toolbar ToolTip Trackbar Tree View Up-Down Control I try GetClassInfos, window style, extended style and other things...but it's always look "generic" and incomplete (no tab, treeview, status bar, etc..) Thanks!. Tag: mapped drives from service application in logon mode Tag: 282478
  - 3
    - C2986 C2784 could not deduce template argument. So given this header. template < QSTYPE type, typename T, template <typename ELEM, typename = std::allocator<ELEM> > class CONT > CONT<T> quicksort(CONT<T>); // inside the main file. // I decided a function that takes vector of integer and returns a vector of integer. typedef boost::function<std::vector<int>(std::vector<int>)> sortfunc; // create a function list to hold the sorting function. // bunch of number include. #include <boost/assign/std/vector.hpp> std::vector<sortfunc> function_list; using boost::assign::operator+=; std::vector<sortfunc> function_list; // quicksort random function_list += (&algocpw::quicksort<algocpw::QSTYPE(algocpw::RANDOM), int, std::vector>), // quicksort median (&algocpw::quicksort<algocpw::QSTYPE(algocpw::MEDIAN), int, std::vector>), // quicksort mediantriple (&algocpw::quicksort<algocpw::QSTYPE(algocpw::MEDIANTRIPLE), int, std::vector>), // merge sort (&algocpw::mergesort<int, std::vector>), // heap sort (&algocpw::heapsort<int, std::vector>), // selection sort (&algocpw::selection_sort<int, std::vector>), // standard sort (&algocpw::standard_sort<int, std::vector>); I get the following errors. ./cs512/c++/sortingMain.cpp(63) : error C2896: 'boost::assign::list_inserter<boost::assign_detail::call_push_back<std::vector<_Ty,_Alloc>>,V> boost::assign::operator +=(std::vector<_Ty,_Alloc> &,V2)' : cannot use function template 'CONT<T> algocpw::mergesort(CONT<T>)' as a function argument c:\cpw\msvc\cs512\c++\def\../sortingAlgo.hpp(32) : see declaration of 'algocpw::mergesort' ./cs512/c++/sortingMain.cpp(63) : error C2784: 'boost::assign::list_inserter<boost::assign_detail::call_push_back<std::deque<T,Allocator>>,V> boost::assign::operator +=(std::deque<T,Allocator> &,V2)' : could not deduce template argument for 'std::deque<T,Allocator> &' from 'std::vector<_Ty>' with [ _Ty=sortfunc ] Where did "deque" come from.. i never included deque. Tag: mapped drives from service application in logon mode Tag: 282472
  - 4
    - Removing 1 character from the end of file using file streams Using std::ofstream (std::fstream, or std::filebuf), is there a way just to remove one character from the end of file (trailing '\n', for example) without copying it into a new file? Thank you. Tag: mapped drives from service application in logon mode Tag: 282470
  - 5
    - Its been a long time! Hello to all! I don't know if any of you guys remember me, I sure remember some of you. And you were great help on the questions that I posted on this newsgroup a year and a half ago. I was the fellow reading the petzold book and testing its programs in VC++! I got to the point where I was coding, classes, structures, objects and using API functions within VC++ (Fun stuff!). Bummer I had to put all that aside to carry on with electronics and processors which I programmed in C since this was a priority to my project. As you may guess, after a year and a half without touching VC++ I am quite rusty but would probably take me a a month or two of review and I would probably be up to par from where I left off. I have posted this question about two years ago, and since technology evolves every day, I figure I would ask it again in this post. At this point should I continue with VC++ (this would mean reviewing all that I had leanrt plus learning new stuff like STL and the rest of the 800 pages in Petzold's book) or jump straight into .NET? With regards Robert Tag: mapped drives from service application in logon mode Tag: 282464
  - 6
    - A more serious bug MSVC has some more problems with covariance. This one is much more of a showstopper than my previous bug. The following code compiles without warning on Comeau and g++. template<class T> class M; struct V { virtual V *vf(); }; struct A : virtual V { A *vf(); }; struct B : virtual V { B *vf(); }; struct D : A, B { D *vf() = 0; }; In Visual Studio 2005, it gives: error C2250: 'D' : ambiguous inheritance of 'A *V::vf(void)' Tag: mapped drives from service application in logon mode Tag: 282463
  - 7
    - Hidden overloaded operator in multiple inheritance All, I found in multiple inheritance only the first base class's overloaded operators are visible. My overloaded operators has different signatures in the different base classes. They are not ambiguous. 'using operator..' statements can bring them back. Please see my minimal example below. I'd like to know if it is a bug or a feature. Thanks for your help, Tamas #include <iostream> #include <string> template <class Parent> class basei { public: int bi; int operator + (int i) { bi += i; std::cout << "basei::operator+ : " << bi << std::endl; return bi; } Parent& operator << (int i) { bi += i; std::cout << "basei::operator<< : " << bi << std::endl; return (Parent&)*this; } }; template <class Parent> class bases { public: std::string bs; std::string operator + (std::string s) { bs += s; std::cout << "bases::operator+ : " << bs << std::endl; return bs; } Parent& operator << (std::string s) { bs += s; std::cout << "bases::operator<< : " << bs << std::endl; return (Parent&)*this; } }; class comp1 : public basei<comp1>, public bases<comp1> { }; class comp2 : public bases<comp1>, public basei<comp1> { }; class comp3 : public basei<comp1>, public bases<comp1> { public: using basei::operator+; using basei::operator<<; using bases::operator+; using bases::operator<<; }; int main(int argc, char* argv[]) { std::string s; int i = 0; comp1 c1; c1.bi = 0; c1 << 1; // c1 << std::string ("hello"); // C2679 i = c1 + 1; // s = c1 + std::string (" world!"); // C2679 comp2 c2; c2.bi = 0; // c2 << 1; // C2679 c2 << std::string ("hello"); // i = c2 + 1; // C2679 s = c2 + std::string (" world!"); comp3 c3; // all good c3.bi = 0; c3 << 1; c3 << std::string ("hello"); i = c3 + 1; s = c3 + std::string (" world!"); return 0; } Tag: mapped drives from service application in logon mode Tag: 282431
  - 8
    - IJolietDiscMaster->AddData returning STG_E_INVALIDFUNCTION Hi there, I am attempting to add a previously created IStorage container to an IJolietDiscMaster interface, although the file appears to have been created correctly and no errors were returned during it's creation, nor the streams that were added to it, unfortunately it returns STG_E_INVALIDFUNCTION. Could this be due to the way that I have created the streams? or not closed them correctly after adding data? Many thanks in advance as any help on this would be fantastic. Nick. BTW, this is being asked in this group as the device.drivers group isn't yielding any replies. Tag: mapped drives from service application in logon mode Tag: 282419
  - 9
    - Apparent Template Bug I've created the following minimal compilation failure from a much larger program. This compiles without warning in strict mode on both g+ + and Comeau. Any thoughts? template<class T> class D; class B { }; template<template <typename> class T, class U> class A : public T<U> { public: virtual U *f(); }; template<> class D<B> { public: virtual B *f(); }; class C : virtual public B { }; template<> class D<C> : virtual public D<B> { }; A<D, C> a; Tag: mapped drives from service application in logon mode Tag: 282412
  - 10
    - how to maximize reusability? Hello, I wonder what are the general methods to reuse a class component as much as possible? Like the case I showed you guys a few days ago class CPerson : public CPathFinder { }; class CSupervisor : public CPerson { }; I'd like to declare and define once for one single method... Some behaviours of classes are common, but don't know if I should put it in the base class or derived class.... For example: class CPathFinder { Render() }; Render() is used in CPerson and CSupervisor. But Render() in CPathFinder doesn't make sense cos it is not a tangiable object at all. How do I do classifications and encapsulations here? also if I put render in CPerson, Do all classes derived from CPerson needn't to declare and define the same method again? That should be what is meant by "reusable"? No??? Thanks Jack Tag: mapped drives from service application in logon mode Tag: 282401
  - 11
    - c2244 and namespace error. Recently i did some compilation test that resulted in C2244 unable to match function declaration and function definition. example.. inside the hpp file. namespace something { template <typename T, template <typename ELEM, typename = std::allocator<ELEM> > class CONT > extern void select_sort(CONT<T>&, typename CONT<T>::iterator, const typename CONT<T>::size_type&, const typename CONT<T>::size_type&); } inside the c file template <typename T, template <typename ELEM, typename = std::allocator<ELEM> > class CONT > void Something::select_sort(CONT<T>& array, typename CONT<T>::iterator Left, const typename CONT<T>::size_type& Size, const typename CONT<T>::size_type& Step) { typedef typename CONT<T>::iterator iter; iter IEnd(boost::next(Left, (Size-1)*Step)); iter JEnd(boost::next(Left, Size*Step)); iter min; iter Last(array.end()); BOOST_ASSERT(IEnd != Last); BOOST_ASSERT(JEnd != Last); for (iter i(Left); i < IEnd; std::advance(i, Step)) { min = i; for (iter j(boost::next(i, Step)); j < JEnd; std::advance(j, Step)) { if (*j < *min) min = j; } std::iter_swap(i, min); } } take it out of namespace and i don't get the error. Tag: mapped drives from service application in logon mode Tag: 282400
  - 12
    - VC++ Cursor mask problem on windows vista Hi Guys! I've built a test application in VC++ 6.0 which runs on windows XP. It is a just a simple mfc dialog app, which changes the cursor image using cur file. The code is: BOOL CProjectDlg::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) { // TODO: Add your message handler code here and/or call default m_hCurPenBlue = LoadCursor(AfxGetResourceHandle(), MAKEINTRESOURCE(IDC_CURSOR1)); ::SetCursor(m_hCurPenBlue); return TRUE; } The image is composed of a green mask, transparent on XP. While in XP the cursor has transparency over the dialog, running the same application in windows vista creates a black rectangle surrounding the cursor'ss image (It is not transparent any more). Do you know how to solve this (So the margin will be transparent on vista) Thanks, Ron Tag: mapped drives from service application in logon mode Tag: 282393
  - 13
    - Why memcpy on x64 is so slow ? Hello, Why memcpy on x64 (64-bit mode) is so slow ? Small sample: ----- char * src = new char[5*1024*1024]; char * dst = new char[5*1024*1024]; double before = secnds(); for(int i = 0; i < 10000; ++i) { memcpy(dst, src, 512*1024); } double after = secnds(); printf("delta %9.5f\n", after - before); before = secnds(); for(int i = 0; i < 10000; ++i) { long long * wdst = (long long *) dst; long long * wsrc = (long long *) src; for(int j = 0; j < 512*1024/8; ++j) { *wdst++ = *wsrc++; } } after = secnds(); printf("wdelta %9.5f\n", after - before); ---- Compiled with all possible optimization... on the same AMD Athlon 4800: X64: delta 2.98400 wdelta 1.45300 Win32: delta 1.25000 wdelta 2.14000 Regards, Sergey Tag: mapped drives from service application in logon mode Tag: 282373
  - 14
    - accessing a vector struct _myStruct { long idx; ... }; typedef vector<_myStruct> aStruct aStruct abc; if the vector, abc, shows [0](), how do I create an instance of "abc"? because it throws access violation at me when doing this abc[0].idx = count; where count is 0 Thanks a lot Tag: mapped drives from service application in logon mode Tag: 282360
  - 15
    - Convert C++ into VC 2005 I'm new to C++ but trying to compile some code into a Dll but i get the following errors when compiling the code Error 1 error C2440: 'default argument' : cannot convert from 'const char [1]' to 'CString' k:\c++ kode\sb5dll-1\sb5dll-1\station_source\queues.h 20 Error 2 fatal error C1903: unable to recover from previous error(s); stopping compilation k:\c++ kode\sb5dll-1\sb5dll-1\station_source\queues.h 27 here is a part of the code where the error appears #if !defined(AFX_QUEUES_H__B593B58B_7E9A_4FAA_8D9C_D5A1F251E8E0__INCLUDED_) #define AFX_QUEUES_H__B593B58B_7E9A_4FAA_8D9C_D5A1F251E8E0__INCLUDED_ #if _MSC_VER > 1000 #pragma once #endif // _MSC_VER > 1000 #include "TcpClient.h" //#include "Constants.h" /****************/ class CQueAlert : public CObject { public: CQueAlert(int AlertID, int LockID, CString AlertDesc = ""); here it points to virtual ~CQueAlert() {}; void CreateMsg(CTcpClient *pTcpClient); int m_AlertID; int m_LockID; CString m_AlertDesc; }; If I make the empty "" to " " then it moves in to the next char in Cstring and pop up with the same errors. PetterL Tag: mapped drives from service application in logon mode Tag: 282346
  - 16
    - VC++ 2005 /Tp /Tc difference. I came across this problem while migrating my project from VC++ 6.0 to 2005. The following test code behaves differently when compiled, as C++ (/Tp), with Visual C++ 2005 compiler in comparison with Visual C++ 6.0. However, when I compile code as "C" file (/Tc) instead of C++ on VS 2005, it behaves same as VC++ 6.0 /Tp option. I've shown the output from build made using release mode in both the env. I'm wondering if any one has any idea what is going on here. <Code> #include <stdlib.h> #include <stdio.h> int main(void) { char* p = "??"; // char p[3] = "??"; fixes the problem printf("P:%s;%c\n", p, *p); *p = 'A'; printf("P:%s;%c\n", p, *p); printf("P:%s;%c\n", p, *p); (*p)++; printf("P:%s;%c\n", p, *p); printf("P:%s;%c\n", p, *p); return 0; } </Code> Output with Visual Studio 2005 Prof. Ed. - Compiled as C++ (/Tp) ---------- P:??;? P:??;A P:??;? P:??;@ P:??;? Output with Visual C++ 6.0 - Compiled as C++ (/Tp) Output with Visual Studio 2005 Prof. Ed. - Compiled as C (/Tc) -------- P:??;? P:A?;A P:A?;A P:B?;B P:B?;B Tag: mapped drives from service application in logon mode Tag: 282341
  - 17
    - ambiguous call to overloaded function Heres the error message. c:\cpw\msvc\cs512\c++\cppdef/median.cpp(199) : error C2668: 'select_sort' : ambiguous call to overloaded function c:\cpw\msvc\cs512\c++\cppdef/median.cpp(118): could be 'void select_sort<std::string,std::vector>(std::vector<_Ty,_Ax> &,std::_Vector_iterator<_Ty,_Alloc>,const int &,const int &)' with [ _Ty=std::string, _Ax=std::allocator<std::string>, _Alloc=std::allocator<std::string> ] c:\cpw\msvc\cs512\c++\cppdef\../median.hpp(49): or 'void select_sort<std::string,std::vector>(std::vector<_Ty,_Ax> &,std::_Vector_iterator<_Ty,_Alloc>,const int &,const int &)' with [ _Ty=std::string, _Ax=std::allocator<std::string>, _Alloc=std::allocator<std::string> ] while trying to match the argument list '(std::vector<_Ty,_Ax>, iter, const int, int)' with [ _Ty=std::string, _Ax=std::allocator<std::string> ] Heres line 114-119 of median.cpp template <typename T, template <typename ELEM, typename = std::allocator<ELEM> > class CONT > void select_sort(CONT<T>& array, typename CONT<T>::iterator Left, const int& Size, const int& Step) Heres line 45-49 of median.hpp template <typename T, template <typename ELEM, typename = std::allocator<ELEM> > class CONT > extern void select_sort(CONT<T>&, typename CONT<T>::iterator, const int&, const int&); What is wrong? Tag: mapped drives from service application in logon mode Tag: 282340
  - 18
    - linker can't find my class methods I have an abstract class defined in a header file, and have derived my own class from it overriding the pure virtual methods. The .cpp's compile OK but the linker gives unresolved external symbol errors when trying to link my methods. // the abstract class, in abstract.h class CExchange { public: virtual short Exchange(BYTE *pabExchangeBuffer, DWORD eBufferSize, DWORD eNumberOfBytesToSend, DWORD &reNumberOfBytesReceived) = 0; virtual ~CExchange(void) { } }; ///////////////// // My derived class definition in Exchange.h #include "abstract.h" class C_Exchange : virtual public CExchange { public: virtual short Exchange(BYTE *pabExchangeBuffer, DWORD eBufferSize, DWORD eNumberOfBytesToSend, DWORD &reNumberOfBytesReceived); }; //////////////////// // The derived class implimentation in Exchange.cpp #include "abstract.h" class C_Exchange : virtual public CExchange { public: virtual short Exchange(BYTE *pabExchangeBuffer, DWORD eBufferSize, DWORD eNumberOfBytesToSend, DWORD &reNumberOfBytesReceived) { short ret = 0; return ret; } }; /////////////// // And the final use in main() #include "exchange.h" int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { C_Exchange* ex = new C_Exchange(); return 0; } It all works until I try to instantiate an object of C_Exchange, at which the linker says: error LNK2001: unresolved external symbol "public: virtual short __thiscall C_Exchange::Exchange(unsigned char *,unsigned long,unsigned long,unsigned long &)" (?Exchange@C_Exchange@@UAEFPAEKKAAK@Z) Also, if I change the include from abstract.h to exchange.h in the cpp the compiler says I have duplicate class definition. I always define a class in a header and implement it in a cpp without problems, why would this one be any different? Thanks Tag: mapped drives from service application in logon mode Tag: 282339
  - 19
    - Calling convention ( __stdcall, __cdecl ) and DLLs I declared and defined two functions in a simple DLL, (with no DllEntry) as follows: EXPORT void __stdcall Func1(void); EXPORT void __cdecl Func2(void); Then, from another program I loaded this DLL using LoadLibrary, which succeded. Then, I used GetProcAddress twice to get pointers to these two funcs in the DLL. The GetProcAddress failed on the __stdcall type, while the other func I was able to invoke. Why is this so? Tag: mapped drives from service application in logon mode Tag: 282333
  - 20
    - IMAPI Recording I'm just going through some code I found on MSDN regarding using the IMAPI interface. Unfortunately all it seems to do is enumerate the drives and then display their information, one comment made me laugh // This requires dealing with IEnumSTATPROPSTG--Ugh! That's really encouraging isn't it? Ideally I wanted to do this through VB.NET but examples seem to be a little lacklustre and unfortunately I cannot resort to the VB Accellerator binary that is available. Any pointers in the direction toward something that's a little more intuitive than "Ugh!" I would be most appreciative. Nick. Tag: mapped drives from service application in logon mode Tag: 282321
  - 21
    - http://Google.COM/groups?selm=Jeff_Relf_2007_Oct_4__1_49_A3@Cotse.NET If you know the Message-ID of a post, e.g. â?? news:Jeff_Relf_2007_Oct_4__1_49_A3@Cotse.NET â??, you can link to it like this: http://Google.COM/groups?selm=Jeff_Relf_2007_Oct_4__1_49_A3@Cotse.NET However, Google sometimes won't recognize a Message-ID younger than 3 days old. If you use â?? Search Engine Plugins â??, you can add a â?? Message-ID lookup â?? by typing this into the URL bar ( it must be a single line, hit â?? Go â?? twice ): â?? javascript: ( function() { window.external.AddSearchProvider( "http://www.cotse.net/users/jeffrelf/MessID.XML"); } )(); â??. FireFox 2.0 won't install a .XML file if it's not UTF-8 encoded, I discovered, nor can it be loaded from a hard-disk. Also, it won't load if the â?? image height â?? isn't 16. MessID.XML is just: â?? <OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/"> <ShortName>Message ID Lookup</ShortName> <Image height="16" width="16" type="image/png"> http://www.cotse.net/users/jeffrelf/X.PNG</Image> <Url type="text/html" method="get" template="http://Google.COM/groups?selm={searchTerms}"/> </OpenSearchDescription> â??. .+.+.+ Tag: mapped drives from service application in logon mode Tag: 282299
  - 22
    - Capturing stdout from a started process... Hello, My setup is as follows: WinXP Pro, VS2005 Pro. I would like to start a process from within my C/C++ application, then capture that process's stdout into a file. I've been able to do it completely successfully using the library system function, that is: system("MyProcess.exe > someFile") However, my process opens up a command window when it runs, which is really distracting if I'm doing something else at the time. Instead, I simply want the process to run "unnoticed" but still be able to capture its output. I originally tried this in C#, which does provide facilities for doing exactly what I want along with MSDN example code to do it. The only problem is that either .NET is buggy in this regard, the sample code is flakey, or I am simply too dumb to use it. In any case, while it does work most of the time, it often misses the last line output by the process, even though I do wait for the process to end. So, I decided to go back to the old reliable of C/C++ to see if I could do it. Any ideas? Thanks, Ray Mitchell Tag: mapped drives from service application in logon mode Tag: 282296
  - 23
    - C2614: Inheritance question c:\Documents and Settings\luckie\myApp\cObject.cpp(13): error C2614: 'CSupervisor' : illegal member initialization: 'm_vRotCenter' is not a base or member c:\Documents and Settings\luckie\myApp\cObject.cpp(13): error C2614: 'CSupervisor' : illegal member initialization: 'm_vPos' is not a base or member c:\Documents and Settings\luckie\myApp\cObject.cpp(13): error C2614: 'CSupervisor' : illegal member initialization: 'm_vRot' is not a base or member c:\Documents and Settings\luckie\myApp\cObject.cpp(13): error C2614: 'CSupervisor' : illegal member initialization: 'm_vScale' is not a base or member c:\Documents and Settings\luckie\myApp\cObject.cpp(13): error C2614: 'CSupervisor' : illegal member initialization: 'm_vScaleCenter' is not a base or member class CPerson : public CPathfinder private: ... D3DXQUATERNION m_quatRot; D3DXVECTOR3 m_vPos; D3DXVECTOR3 m_vScale; D3DXVECTOR3 m_vScaleCenter; D3DXVECTOR3 m_vRot; D3DXVECTOR3 m_vRotCenter; }; CObject.h ========================= class CSupervisor : public CPerson { public: CSupervisor(); ~CSupervisor(); }; CObject.cpp =========================== CSupervisor::CSupervisor(void) : m_vPos (0.0f, 0.0f, 0.0f), m_vScale (1.0f, 1.0f, 1.0f), m_vRot (0.0f, 0.0f, 0.0f), m_vRotCenter (0.0f, 0.0f, 0.0f), m_vScaleCenter (0.0f, 0.0f, 0.0f) { } Any thoughts? maybe some obvious reasons and silly causes I am not aware of... Thanks Jack Tag: mapped drives from service application in logon mode Tag: 282295
  - 24
    - deriving from abstract class I have a class module (class A) where the constructor requires a pointer to an object of an abstract class (class B). I understand that I have to derive another class (class C) from the abstract one and override all the virtual methods in order to instantiate an object. But when I use the derived class C object as the argument for the constructor of class A, the compiler says it can't convert form class C to class B. What to do? Thanks. Tag: mapped drives from service application in logon mode Tag: 282278
  - 25
    - recompile a DLL with _stdcall for VB hello sorry for the silly question, i am not familiar with VC (neither other C IDE ok..) but I need a dll to be compiled as stdcall instead of cdecl to use inside the VB IDE. The problem is that I have no sources but header file .h and a library file .lib. With this three (dll, h, lib) is possible to have a "fixed" .dll for my purposes? thanks Tag: mapped drives from service application in logon mode Tag: 282259

Hi all,

How to access mapped drives along with local drives (like A:\, C:\, D:\,
X:\, Y:\ and Z:\) list from VC++ 6.0 service application in logon mode
without using password.

If the above is not possible, with password how to do?

I tried with ".\\username", "password" as 12th and 13th args of
CreateService API. But, It didn't get success. Service is not registering.

How to resolve this issue?
--
Thanks & Regards,
Alex.

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Re: mapped drives from service application in logon mode by Alex

Alex
Mon Oct 22 08:02:45 PDT 2007

"Alex" wrote:
> How to access mapped drives along with local drives
> (like A:\, C:\, D:\,
> X:\, Y:\ and Z:\) list from VC++ 6.0 service application
> in logon mode
> without using password.

You should use UNC paths if you want to access drives from
service.

KB180362 - "INFO: Services and Redirected Drives"
http://support.microsoft.com/kb/180362/

Alex

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Re: mapped drives from service application in logon mode by Alexander

Alexander
Mon Oct 22 10:39:07 PDT 2007

You can't since mapped drives are specific to a logon session and
you are not running in the interactive session. You can create your
own mappings, but I'd suggest you use UNC names as Alex
already suggested. See WNetAddConnection2/3.

--
=====================================
Alexander Nickolov
Microsoft MVP [VC], MCSD
email: agnickolov@mvps.org
MVP VC FAQ: http://vcfaq.mvps.org
=====================================

"Alex" <Alex@discussions.microsoft.com> wrote in message
news:9FB93585-C7BF-425A-BAEF-72EB8839B3C8@microsoft.com...
> Hi all,
>
> How to access mapped drives along with local drives (like A:\, C:\,
> D:\,
> X:\, Y:\ and Z:\) list from VC++ 6.0 service application in logon mode
> without using password.
>
> If the above is not possible, with password how to do?
>
> I tried with ".\\username", "password" as 12th and 13th args of
> CreateService API. But, It didn't get success. Service is not registering.
>
> How to resolve this issue?
> --
> Thanks & Regards,
> Alex.

Top