C / C++ / MFC

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Thank you everbody! overflow28-Sep-01 14:51 overflow 28-Sep-01 14:51  Thanks! Stack Overflow Kiddxin27-Sep-01 23:58 Kiddxin 27-Sep-01 23:58  Hello, What is stack overflow? When I debug a program with iterative function. It said "Unhandled exception in Go.exe, 0xC00000FD: Stack Overflow". Who can tell me the reason. Did that mean my program ask for too many system resource? Kidd Re: Stack Overflow Joaquín M López Muñoz28-Sep-01 2:43 Joaquín M López Muñoz 28-Sep-01 2:43  Each time you call a function, some information (namely the parameters passed, the address of the return point, etc.) is stored on a memory area called the stack, whose name stems from the fact that it behaves like a stockpile of items, i.e. it is fed up and emptied from the top. The stack grows as the program goes deeper into functions calling other functions and shortens as these functions return. Now consider this function for computing the factorial of a number: int factorial(int x) { if(x==0)return 1; else return x*factorial(x-1); } factorial() works fine as long as you call it with a positive argument, but what happens if you invoke factorial(-1)? The function calls itself again and again with arguments more and more negative, until the memory space reserved by the system for the stack fills up and the exception you report pops up. What most probably happened to you is some kind of neverending recursive loop like this, though possibly in a more convoluted fashion. Hope this helps. Joaquín M López Muñoz Telefónica, Investigación y Desarrollo echo cancellation..... 27-Sep-01 23:38 27-Sep-01 23:38  hi I want to remove echo sound when record wave file form sound card.... Hooking the File System !!! Plz Help !! dudy_boy27-Sep-01 23:37 dudy_boy 27-Sep-01 23:37  Hi !! i want to hook the File Directory system of my machine so that any File changes (like create,modify, rename etc) can be detected. i am using FindFirstChangeNotificcation('Root Dir:\') to get the handles of all subdirectories inside the root. then using WaitForMultipleObjects() i wait for a change notification. but this approach is not working fine. could someone suggest me a better approach. i can give further details. PLZ HELP !! Re: Hooking the File System !!! Plz Help !! Oscar Vazquez28-Sep-01 3:11 Oscar Vazquez 28-Sep-01 3:11  You are using the right method. I don't know what's your problem with this, but look at this for more info. MSDN article Monitoring Changes in a Directory or Directory Tree Platform SDK: Files and I/O I need a list that can display files and folders 27-Sep-01 23:32 27-Sep-01 23:32  I need a list that can display files and folders of hard disk, and also support drag and drop, Re: I need a list that can display files and folders Ahmad9928-Sep-01 0:11 Ahmad99 28-Sep-01 0:11  Create two views View1 and View2 and then attach CTreeCtrl with view1 and CListView with view2.The member function of these classes are so much rich that all of explorer functionality could be implemented..... and at the end "Thanks The MFC Classes".;P Event provider using C++ 27-Sep-01 23:05 27-Sep-01 23:05  Hi I am writting an application to monitor the hardware device. My application is a DLL and I want it to send event notification to the mail application when something happens. Anyone has any idea how to do that event notifications ? Thanks in advance Quang Re: Event provider using C++ Michael P Butler28-Sep-01 2:35 Michael P Butler 28-Sep-01 2:35  What kind of event notifications? What kind of mail application? Michael Bar_Chart 27-Sep-01 22:47 27-Sep-01 22:47  Hi guys, i want to make a bar chart schema,and i would like to ask U,if there is any way to make it with activex ,and how! Thank u in advance! Re: Bar_Chart Michael P Butler28-Sep-01 2:36 Michael P Butler 28-Sep-01 2:36  I'd recommend you look at ATL/WTL. With these you can make any activex you want. Michael Bar_Chart 27-Sep-01 22:46 27-Sep-01 22:46  Hi guys, i want to make a bar chart schema,and i would like to ask U,if there is any way to make it with activex ,and how! Thank u in advance! Something wrong with GetStockObject ??? Youknowme27-Sep-01 22:36 Youknowme 27-Sep-01 22:36  The MSDN said, calling GetStockObject with SYSTEM_FONT will return: + Windows 95/98 and NT: The system font is MS Sans Serif. + Windows 2000: The system font is Tahoma but I always have it return System.fon (like on Win3.x ) How to handle ClipBoard Problem binnu27-Sep-01 21:59 binnu 27-Sep-01 21:59  Dear Friends Hi i want to copy the contents of clipboard, everytime it is changing in a program variable say pText[].For i want to access Ctrl+c but i am not getting either through accelerator or through WM_KEYDOWN,WILL U PLEASE GIVE SOME small example for doing that. Thanks in advance Binay Re: How to handle ClipBoard Problem Ganesh Ramaswamy28-Sep-01 10:40 Ganesh Ramaswamy 28-Sep-01 10:40  make ur application as clipboard viewer using setclipboardviewer API and handle wm_drawclipboard and related messages. check msdn for further information May I know Who have the program? zhangyifei27-Sep-01 21:43 zhangyifei 27-Sep-01 21:43  the program of print priview?It's style as if CoreDraw Thanks a lot! (VC6.0 MFC VIEW/FRAME) ZHANGYIFEI how i do ? zhangyifei27-Sep-01 21:20 zhangyifei 27-Sep-01 21:20  how can i get the region of printing page after cutting down the size of region that may print! ZHANGYIFEI Right To Left Allignment of Dialog Box....Microsoft Bull-Sh*t Ahmad9927-Sep-01 21:09 Ahmad99 27-Sep-01 21:09  when i set the "Right to left Layout" property of Dialog. the compilation greets me with the error " Dlg1.rc (89): error RC2104 : undefined keyword or key name: WS_EX_LAYOUT_RTL" The complier generates this error as "WS_EX_LAYOUT_RTL" is not found.I have checked the same thing in Windows98 and Windows 2000 Operating system. What should I do.I want to change the allignment of Dialog. 2nd Qusetion. I want to change the allignment at run time....and Dialog has been statistically created. Is it possible to change its allignment at run time. Have a good wishes for HELPER Re: Right To Left Allignment of Dialog Box....Microsoft Bull-Sh*t Michael P Butler28-Sep-01 2:45 Michael P Butler 28-Sep-01 2:45  Its a bug in Visual Studo. Replace with WS_EX_LAYOUTRTL. Have a look at http://www.microsoft.com/msj/defaultframe.asp?page=/msj/0499/multilangunicode/multilangunicode.htm&nav=/msj/0499/newnav.htm Michael creating a virtual serial port 27-Sep-01 19:54 27-Sep-01 19:54  Hi, I want to create a virtual serial port (like a COM3). I want to write data on it, so another program thinks it comes from a real serial port (and vice versa). I don't have a clue on how to begin writing this, so any help would be welcome. Jef NO XP Style MaTrIX2k227-Sep-01 18:10 MaTrIX2k2 27-Sep-01 18:10  Well, i read an article that shows how to make that XP skin your app, but i don't want that XP skin my Caption bar and buttons, and dialog either, i want to make my own skins(using MFC), but xp skin all of this, how can i make that xp doesn't skin my app? Play GDI+ EMF file on a printer dc Robert Cao27-Sep-01 17:04 Robert Cao 27-Sep-01 17:04  I am uing VC6.0/W2k to develop a small app. to try some of the new GDI+ alpha chanel pen/brush stuff. The app. generate EMF file and play back on a printer DC. I found is emf file can only draw properly on the GDI+ app to the screen DC. It doesn't produce the right result on any printer DC. Why? Is there any new supprise stuff behind GDI+ EMF file format!??? Please, help with AVI 27-Sep-01 12:47 27-Sep-01 12:47  How can i get an information about pixels (RGB) in each frame of AVI file? And how can i SAVE AVI frame as BMP file? Pointer to Member Operator? JamesPrevallet27-Sep-01 11:20 JamesPrevallet 27-Sep-01 11:20  The amazing yet ellusive ->* operator appears to require an object of a known type. Suppose you want to call a member function of an arbitrary object? For example, in the creation of a service, I designed an interface to allow consumers to pass in a "this" pointer and their callback function. What's the recommended way to dish up the program counter to them when all I have are these two items? void *pThis; typedef BOOL (CALLBACK * LPFGETMESSAGE)(IN EMS_HANDLE hSentMessage, IN CString &Body, IN BOOL bSuccess); I have no way to find out what type of object "pThis" is, nor do I WANT to know. Best of, James Prevallet http://www.mp3.com/JamesPrevallet

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