C / C++ / MFC

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Re: Drag'n Drop, between applications, to get HWND ? 24-Apr-02 11:33 24-Apr-02 11:33  cool thx ! How to use DLLs Aoife24-Apr-02 1:55 Aoife 24-Apr-02 1:55  Hello, I need to use a dll file (that I downloaded from the net) in my MFC VC++ application, but I am new to dll's and VC++ and don't know where to start. I was hoping that someone knew of a document that I could read that would show me how to do this. Thanks, Aoife Re: How to use DLLs Sameer Maggon24-Apr-02 1:59 Sameer Maggon 24-Apr-02 1:59  What kind of a DLL you have downloaded, and how do you intend to use that.. Re: How to use DLLs Tom Archer24-Apr-02 2:29 Tom Archer 24-Apr-02 2:29  Typically, the DLL is going to come with a header file and an import library. 1) Simply include the header file where you need to - either in the file that will be references any of the DLL's exported types or functions) or in the stdafx.h file 2) Add the import library to the project. 3) Place the DLL in one of the following folders (This is the order windows searches for DLLs) The current folder The Windows folder The Windows system folder The folder where the main application is being run from The folders listed in the PATH environment variable A mapped network folders Let me know if you need any more help. Cheers, Tom Archer Author, Inside C# Please note that the opinions expressed in this correspondence do not necessarily reflect the views of the author. Re: How to use DLLs Ravi Bhavnani24-Apr-02 7:32 Ravi Bhavnani 24-Apr-02 7:32  If the DLL doesn't come with an import lib, you can get at an exported function by using GetProcAddress(). However, you'll still need a .h file that describes the function's prototype. /ravi "There is always one more bug..." http://www.ravib.com ravib@ravib.com SetSockOpt, NO_DELAY and buffering pmarki24-Apr-02 1:43 pmarki 24-Apr-02 1:43  Hello. I have a problem sending packets at the right time. My app sends a packet (16-100kbytes) each 10 seconds... but they are paired up and received as 2 packets each 20 seconds. I used setsockopt with no_delay set to 1 and it didn't help. My send buffer is 8192 bytes, I use win98 and winsock 1.1 How can I force winsock to send each packet separately ? Any help would be appreciated... Re: SetSockOpt, NO_DELAY and buffering Sameer Maggon24-Apr-02 1:58 Sameer Maggon 24-Apr-02 1:58  Hi, Actually, it might be that the packets are buffered and sent when buffer is full (normal behavior).. So you have to flush the data from the buffer so that it writes the data. Sameer Re: SetSockOpt, NO_DELAY and buffering pmarki24-Apr-02 2:04 pmarki 24-Apr-02 2:04  Yes, that's what I am trying to do... Do you know how to flush the data using windows sockets 1.1 ? I think I should switch to winsock version 2.2, there is a SIO_FLUSH command in WSAIoctl()... anyone used that with positive outcome ? Re: SetSockOpt, NO_DELAY and buffering Joaquín M López Muñoz24-Apr-02 2:21 Joaquín M López Muñoz 24-Apr-02 2:21  Winsock buffers data, but does not wait as long as 10 seconds (by default, it's buffering time, i.e. the time it waits for more data before flushing to the net, is 100 ms.) So I'd say the problem is somewhere else. Joaquín M López Muñoz Telefónica, Investigación y Desarrollo Re: SetSockOpt, NO_DELAY and buffering pmarki24-Apr-02 3:31 pmarki 24-Apr-02 3:31  Yeah, you were right... the problem was one else statement which somehow got commented out and I don't know why... Thanks m8 I was almost ready to switch to w2k ... Application HOOK Sameer Maggon24-Apr-02 1:35 Sameer Maggon 24-Apr-02 1:35  Hi, I've created a DLL and exposed two functions InstallHook and DeleteHook Actually one of my application hooks this dll for getting the application which have started on my computer The problem is that, i am writing all that in a log file (a simple .txt file), but the filename is Hard Coded. How can i make this filename such that, my dialog based application which is actually initiating this DLL pick up this filename. Re: Application HOOK Joaquín M López Muñoz24-Apr-02 2:36 Joaquín M López Muñoz 24-Apr-02 2:36  Pass the filename along as a command line parameter. Read this parameter in your InitInstance using CCommandLineInfo (for example.) Joaquín M López Muñoz Telefónica, Investigación y Desarrollo Re: Application HOOK Sameer Maggon24-Apr-02 16:25 Sameer Maggon 24-Apr-02 16:25  Hi, I can't pass any arguments.. Actually i have an MFC application which inturns just calls the Install Hook function, which in turn sets the hook to the system.. So even if i pass argument to Installhook, it cannot send the argument to my DLLMAIN function.. RFC: Managed C++ Forum Chris Maunder24-Apr-02 1:20 Chris Maunder 24-Apr-02 1:20  Is there enough interest in MC++ to warrant a separate forum? cheers, Chris Maunder Re: RFC: Managed C++ Forum Tom Archer24-Apr-02 1:25 Tom Archer 24-Apr-02 1:25  YES! Cheers, Tom Archer Author, Inside C# Please note that the opinions expressed in this correspondence do not necessarily reflect the views of the author. Re: RFC: Managed C++ Forum Michael P Butler24-Apr-02 1:48 Michael P Butler 24-Apr-02 1:48  I've not seen a lot of MC++ questions asked in the C++ forum so I'm not sure the demand is there yet. If there isn't a lot of work to add the new forum then there is no reason why a seperate forum can't be created, I'm just not sure that people still wouldn't post the questions in the C++ forum as that is the one which will get the most views. Michael Re: RFC: Managed C++ Forum Nish Nishant24-Apr-02 1:51 Nish Nishant 24-Apr-02 1:51  Chris Maunder wrote: Is there enough interest in MC++ to warrant a separate forum? Yes Chris. It's a good idea. If we have a MC++ forum, there will be questions asked. Right now people might be scared to ask for fear of being ridiculed. Nish The rumours that I am an AI bot are absolutely false. These rumours have been propogated by *them* to focus all the attention on to me, while *their* bots take over the planet. Thank y%%%% Divide by zero. Cannot proceed. Abort(y/y)? Re: RFC: Managed C++ Forum Christian Graus24-Apr-02 1:59 Christian Graus 24-Apr-02 1:59  I don't think so, but it's hard to say. I'd vote for it being created though, although I'll never use it. It can't possibly be as dead as the XML/XSL forum. Christian The tragedy of cyberspace - that so much can travel so far, and yet mean so little. And you don't spend much time with the opposite sex working day and night, unless the pizza delivery person happens to be young, cute, single and female. I can assure you, I've consumed more than a programmer's allotment of pizza, and these conditions have never aligned. - Christopher Duncan - 18/04/2002 Re: RFC: Managed C++ Forum Chris Maunder24-Apr-02 2:13 Chris Maunder 24-Apr-02 2:13  Christian Graus wrote: It can't possibly be as dead as the XML/XSL forum I think you should say that louder while looking over at Paul Watson when you say that (damn - he's not here) cheers, Chris Maunder Re: RFC: Managed C++ Forum Kannan Kalyanaraman24-Apr-02 2:44 Kannan Kalyanaraman 24-Apr-02 2:44  Yes Hopefully(if made available), there is enough interest in it to keep the forum busy. Kannan I am not here to accommodate the requirements of mass hysteria. Re: RFC: Managed C++ Forum Albert Pascual24-Apr-02 5:49 Albert Pascual 24-Apr-02 5:49  Of course! Re: RFC: Managed C++ Forum Mike Nordell25-Apr-02 9:36 Mike Nordell 25-Apr-02 9:36  I don't know, but I can say I'm enough uninterested in it to not want to see discussions about it in a C++ forum. Security in Windows 98 Sameer Maggon24-Apr-02 1:20 Sameer Maggon 24-Apr-02 1:20  Hi, Can i programmatically stop users of Windows 98 from changing some system parameters like Network Identification Machine name I mean, some kind of a Hook can be applied which can monitor and stop certain things. Please help Regards Sameer Re: Security in Windows 98 Matt Gullett24-Apr-02 2:37 Matt Gullett 24-Apr-02 2:37  I am not sure if this is what you want, but: There are numerous registry settings which you can set to lock-down a Windows 9X, NT and 2000 PC. We do this at my office to prevent users from changing their configurations. We have about 100 registry settings which we apply but we lock them down pretty tight. What you are asking for is probably just 5-10 registry settings. If you want, I will email you the registry settings we use. (All of the settings can be found on the net, but some can be hard to find.) Send me an email at gullettm@yahoo.com. Thanks, Matt Gullett VC Project can use HTML and images from a DB Pere LLibre24-Apr-02 1:15 Pere LLibre 24-Apr-02 1:15  Dear all, I have a VC Project and I need to load html pages with images from a database (not saved in files). I read from database the html, and using an ActiveX of HTML show it like a browser, but the images doesn't. I need some ideas of how I can show Html pages with images, the html pages are in the database, the images can be a file of the project or a register in a database. I hope that somebody can help me to find one solution!! Thanks to all!! Regards, --------------------- Pere Llibre Software Engeneering

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