C / C++ / MFC

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Re: activex hou_12610-Nov-04 15:09 hou_126 10-Nov-04 15:09  sorry,I　scratched your head over.I revoice　it now. I have a c/s program which acess oracle .now it was demanded to insert on webe page.I decided to make a ACTIVEX control.i wish client don't need to setup oracle's client,it can download the activex and use it .but don't konw it can be realized or not. Visual C++ test act_x10-Nov-04 12:57 act_x 10-Nov-04 12:57  Hi , I was planning to take the brainbench visual C++ test . Has anyone here taken it ? any suggestions or areas that they focus on . And which book do they recommend for practice ? Thanks Re: Visual C++ test Christian Graus10-Nov-04 13:17 Christian Graus 10-Nov-04 13:17  Seriously, who cares ? What good will it do you ? Christian I have several lifelong friends that are New Yorkers but I have always gravitated toward the weirdo's. - Richard Stringer Re: Visual C++ test Anonymous10-Nov-04 13:23 Anonymous 10-Nov-04 13:23  Basically im in the process of looking for a new job and this is the company's requirement . Apart from that is there a good book that can help me prepare for this ? Ive worked with MFC for past 3 yrs but cannot say that my knowledge about MFC is complete . ive worked on a small subset of components that MFC provides . Thanks Re: Visual C++ test Christian Graus10-Nov-04 13:25 Christian Graus 10-Nov-04 13:25  The company requires you to take the test there, or show them your result ? Do the test, and have google in another window to look things up. Christian I have several lifelong friends that are New Yorkers but I have always gravitated toward the weirdo's. - Richard Stringer Re: Visual C++ test Anonymous10-Nov-04 13:27 Anonymous 10-Nov-04 13:27  show the result . yup thats a thought . though i d like to go over the concepts myself . Re: Visual C++ test Christian Graus10-Nov-04 13:36 Christian Graus 10-Nov-04 13:36  Yeah, I'd absolutely recommend reading up on anything that comes up which you can't answer yourself. Christian I have several lifelong friends that are New Yorkers but I have always gravitated toward the weirdo's. - Richard Stringer Re: Visual C++ test Anonymous10-Nov-04 15:01 Anonymous 10-Nov-04 15:01  ctiveX Controls MFC Properties/Events/Methods General C++ Language By Reference vs. By Value Classes and Objects Exception Handling Inheritance/Encapsulation Keywords/Operators Pragmas Virtual Functions/Overloading/Polymorphism General Visual C++ 16 bit vs. 32 bit DLL Debugging DLL Exporting Methods DLL Loading/Unloading DLL Regular vs. Extension Portability Issues General Windows Programming Clipboard usage Common Controls Common Dialog Boxes Device Context Dialog Boxes GDI Graphics International Considerations Memory Management Menus Message Handling Multitasking/Multithreading Printing Registry Resources Text/Fonts Timers Window Management Window Painting MFC Calling Win SDK Functions Common Base Classes Database Access Document/View Architecture Drag/Drop File I/O And Serialization FTP/Sockets General Helper Macros Message Handling Property Sheets/Property Pages Toolbars/Status Bars Utility Classes Worker Threads/User Interface Threads OLE/COM Aggregation/Containment Apartments Automation CLSID / Prog ID DCOM / Security Interfaces/ IDL Interfaces/IDL Marshalling Servers/Containers Singleton Surrogate/EXE/Inprocess vs. Out Of Process Using ATL Visual C++ IDE Add Ins/Macros Class Wizard Debugging Environment Settings Project Creation Project Customization Source Browser Utilities/Tools Seems like an ocean Re: Visual C++ test Christian Graus11-Nov-04 8:51 Christian Graus 11-Nov-04 8:51  Wow - there's a fair bit there that I never learned. You need to know all of this ? Christian I have several lifelong friends that are New Yorkers but I have always gravitated toward the weirdo's. - Richard Stringer Re: Visual C++ test Steve S11-Nov-04 0:46 Steve S 11-Nov-04 0:46  Can I quote that? It applies to so many things in life... Steve S Developer for hire GUI design bug MDowning10-Nov-04 11:42 MDowning 10-Nov-04 11:42  I've been building a GUI for an embedded meter test environment. Its getting very crowded, when all of the sudden I can't create buttons or fields from the tool bar. I also can't create them by copy and paste. I have to go in and modify the source to create the objects. Anyone seen this. Re: GUI design bug Graham Bradshaw10-Nov-04 12:06 Graham Bradshaw 10-Nov-04 12:06  It's a Visual Studio limitation - you can have up to 256 controls on the dialog, and then you can't add any more. [That must be one very complicated GUI] RGB values without using GetPixel and SetPixel TITOWBASS10-Nov-04 11:04 TITOWBASS 10-Nov-04 11:04  Hi I have create program for some operation's on bitmap ,but when using GetPixel And SetPixel program apprare slow. then i need some help for Retrive RGV valuse without GetPixel and SetPixel. Thanx to you. adnan Re: RGB values without using GetPixel and SetPixel Christian Graus10-Nov-04 11:23 Christian Graus 10-Nov-04 11:23  You need to load your image into a DIBSection. There are DIBSection wrappers here on CP. Christian I have several lifelong friends that are New Yorkers but I have always gravitated toward the weirdo's. - Richard Stringer Importing DIalogs Nitron10-Nov-04 10:48 Nitron 10-Nov-04 10:48  Anyone know of an easy way to take a dialog resource from a VS6 project and import it into a VS7.1 project? I _really_ don't feel like doing it the hard way (as in re-creating everything)... ~Nitron. ññòòïðïðB A start Re: Importing DIalogs Yulianto.10-Nov-04 16:10 Yulianto. 10-Nov-04 16:10  I have almost the same problem. I think there isn`t a way, have to do it manually <italic>Work hard and a bit of luck is the key to success. You don`t need to be genius, to be rich. Re: Importing DIalogs BlackDice11-Nov-04 4:00 BlackDice 11-Nov-04 4:00  Open the .dsw file from VS .NET. Make sure this is a copy, because it will change everything. It will convert your whole project for you. Then you can remove or add anything you want. If I write code in my sleep, does that make me brilliant, or just a lazy programmer? My articles www.stillwaterexpress.com BlackDice - the programmer formerly known as bdiamond Sample of ReadFileEx Howard789010-Nov-04 10:43 Howard7890 10-Nov-04 10:43  I am new to C++ and I am trying to use ReadFileEx. I would like to put it in a loop and be able to perform other operations. I have looked at the MSDN, but I would like to see a sample. Thanks, Hooking - Client - Server Application Suggestion? JohnnyG10-Nov-04 9:18 JohnnyG 10-Nov-04 9:18  I've got a friend who I work with who asked me to program an application for his wife who is a teacher. The problem? She teaches a computer course and when she is talking or teaching, the kids are ignoring her and playing on the computer. She'd like to have an application on her desktop computer that remotely locks/unlocks the keyboard and mouse of all of her students' computers. Of course when the students' computers are locked, a message should be displayed as they type (pound?) on the keyboard or move the mouse. I figured a couple of hooks (system wide) for mouse and keyboard should do it. I'm new to the subject and have read a couple of the articles here on CodeProject but have some questions. One article said that you shouldn't use MFC and/or C runtime library calls. No problem but I need to communicate to the teacher's computer using Winsock so my question is since, I believe, that Winsock is part of the platform SDK and/or part of the standard Win32 API, can I use Winsock in the global dll implementation? Or, should it be a separate executable that communicates with the DLL via windows messages and relays the commands to the server app (teacher's computer) via Winsock? Anyone have any suggestions on how I should implement this? I figure the teacher runs an executable on her machine that sends/receives command to the students' (client) computers using Winsock. The students' computers should all run the DLL (should this be a service?) or should I also create an executable for the clients that install the DLL and autoruns as a service? OT. Why hasn't anyone already built this application and is it worth selling? String Replacement Blake Miller10-Nov-04 8:33 Blake Miller 10-Nov-04 8:33  I have a string that might contain one or more occurences of 'search' text and I want to replace all occurrences with some 'replace' text. However, it can not be the usual dumb replacement, because I can not afford to have the text Tag100 replaced with TAG200 if the search text is 'TAG1' and the replace text is 'TAG2'. Anyone know existing locations of some 'smart' text replacement code in C or C++? Re: String Replacement John R. Shaw10-Nov-04 8:54 John R. Shaw 10-Nov-04 8:54  I am not sure if the regular expression search in VC++ can do it, but I am sure that Regex++ can. Regex++ is part of the boost library and is free for downloading. I hope that helps! Good Luck! INTP sockets question CherezZaboro10-Nov-04 7:41 CherezZaboro 10-Nov-04 7:41  Strange! I have a server and a client. Using straight winsock2 API and event notifications. Dual processor machine!!! Problems/obesvations: 1) If client and server are both running on the dual processor (same computer) and client allowed to use both processors, often but not always client does NOT get notification about incomming data. 2) If client and server are both running on the dual processor (same computer) and client is limited to either processor, client gets all the notifications fine. 3) If client is running on the dual processor and allowed to use either processor, and Server is running on a different machine, client gets all the notifications fine. 4) If Server is running on the Dual processor and can use either processor, and client is running on a different machine, often but not always client does NOT get notification about incomming data. 5) If Server is running on the Dual processor and is restricted to a single processor, and client is running on a different machine, often but not always client does NOT get notification about incomming data. 6) If client and Server are both run on same dual proc machine, and server restricted to one processor but client is allowed to use both, often but not always client does NOT get notification about incomming data. Any ideas why? Help! Re: sockets question Nitron10-Nov-04 10:51 Nitron 10-Nov-04 10:51  I've run across this myself. Are you spawning the socket in its own thread? It seems that sockets aren't inherently thread-safe, so the easiest way I found to work around this is to keep the socket in the UI thread (for better or worse). ~Nitron. ññòòïðïðB A start Re: sockets question CherezZaboro10-Nov-04 11:58 CherezZaboro 10-Nov-04 11:58  Wow! You lost me there. Should I or should I not spawn it in it's own thread? Also how does UI trhead solve that? Excuse my uneducated ignorance. Do you mean you post messages to that thread with things to do? ascii to binary Anonymous10-Nov-04 7:14 Anonymous 10-Nov-04 7:14  hai, I'm working on VC++ win32...In my program i'm reading some ascii characters in char[] from say a file. I want to convert the ascii char to binary value...is there any easy way to do the conversion??pls help... Thanks a lot.

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