C / C++ / MFC

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Re: Really Dumb (easy) Question alex.barylski14-Jan-04 22:46 alex.barylski 14-Jan-04 22:46  I just finished writting a bunch of verbage and an error occurd when I sent it And I don't think it sent...sux when that happens Anyways...you've helped me more often then not during my times here at CP so any time I can help back i'm more then happy. Cheers The word of the day is legs, let's go back to my house and spread the word Re: Really Dumb (easy) Question [James Pullicino]15-Jan-04 1:35 [James Pullicino] 15-Jan-04 1:35  The feelings you are having towards c++ are normal and understandable for a person trying to learn the language. Once you fully grasp the concepts and advantages (as well as disadvantages) of pointers you will view them in a much different light for sure. Re: Really Dumb (easy) Question Roger Wright15-Jan-04 4:32 Roger Wright 15-Jan-04 4:32  I suppose so, though I haven't yet found any use for a pointer, nor any need to use one other than to comply with the declaration of some class or other. "Another day done - All targets met; all systems fully operational; all customers satisfied; all staff keen and well motivated; all pigs fed and ready to fly" - Jennie A. Re: Really Dumb (easy) Question David Crow15-Jan-04 7:58 David Crow 15-Jan-04 7:58  Roger Wright wrote: But it seems an absurd layer of obscurity when applied to modern languages. I really hate that part of C++. Technically, pointers existed long before C++. A rich person is not the one who has the most, but the one that needs the least. Re: Really Dumb Reply Monty215-Jan-04 0:14 Monty2 15-Jan-04 0:14  Not knowing the difference between . and -> does not make you a stupid guy and Knowing the difference between . and -> does not make us any smarter either you are OK C makes it easy to shoot yourself in the foot; C++ makes it harder, but when you do, it blows away your whole leg filter control like Outlook Express message rules quzi14-Jan-04 20:07 quzi 14-Jan-04 20:07  Hi, Is anyone knowing if there is being code to do filter rules like the Outlook Express? Is a nicely way to building informations, and I would liking to do this. Thanking you with flipping toes 32 and 64 bits lobanovski14-Jan-04 20:07 lobanovski 14-Jan-04 20:07  hi everybody! i was asking this question in "general" forum, but got no replays... ---- i've got an opportunity to upgrade my system to amd 64 3200+. it's preaty cheap and it would be stupid to miss it, but... i do developing under windows and linux and MOST clients of mine are the users of 32-bit architecture. in the specs of the cpu i found misterious phrase "supports both simulteniously 32 and 64 arc's" huh? so, my dilema is - miss or not miss good chance for the upgrade. What are the issues will i face after upgrade to 64 (with regard to developing under win .NET studio)? What are the consiquences for my end-users? I mean only windows users, if they have win2k (just for example!) and 32-bit cpu (pIII), and they try to run a binary that was built on my winXPpro 64-bit cpu, will they have problems? please, share your opinion and experience, i really need it! thanx alex debug - is my life style Re: 32 and 64 bits alex.barylski14-Jan-04 21:07 alex.barylski 14-Jan-04 21:07  It's been a while since I read my A+ book so forgive me if i'm wrong. I believe 32 and 64 bit arc's are usually determined by the following factors: 1) Register size 2) Number of bits computer can transer per MOV instruction...your bus bandwidth I guess Anyways, most computers now are 32 bit because the internal registers are all 32 bit with I believe the exception of a few floating point registers which are 48 or 128 or something... So you shouldn't have any backwards incompatiability issues when developing on a 64 bit arc becuz so long as your compiler compiles using common 32 bit instruction set it should run on your 64 bit machine or my 32 bit one. Kind of like how I could use 16 bit MOV instruction on my computer, but I could only move 16 bits at a time, whereas I could also use a 32 bit MOV instruction, but now be able to move 32 bits. .NET uses an intermediate language...I can't remember what it's called... IL maybe...? Anyways...the .NET interpreter would determine which actual instruction to send the processor (I believe thats the idea behind .NET) so you shouldn't get any exception becuz of a bad instruction when you compile apps using .NET. Cheers The word of the day is legs, let's go back to my house and spread the word Re: 32 and 64 bits lobanovski14-Jan-04 21:28 lobanovski 14-Jan-04 21:28  right, thanx the scenario you've gave requires .NET being installed on the user's computer. or not? debug - is my life style Re: 32 and 64 bits alex.barylski14-Jan-04 23:02 alex.barylski 14-Jan-04 23:02  If you write an app in .NET and give it to somebody on a Windows 98 machine, I believe they would have to download the .NET framework in order to run you apps on their machine. I remember having to download the win32 SDK on win 3.1 back in the day inorder to run some neat program, I don't image this situation is much different. Cheers The word of the day is legs, let's go back to my house and spread the word MFC Models for ArgoUML StHubi14-Jan-04 19:53 StHubi 14-Jan-04 19:53  Hallo, does anyone know where I can get a model of the MFC in ArgoUML? Or does anyone have such a model, he would send to me? Thanks, StHubi "Have no fear, the saint is here!" worker thread communicate with user interface zecodela14-Jan-04 19:30 zecodela 14-Jan-04 19:30  hi, apart from using PostMessage(), i want to any method or example like callback function, or similar to delegate in C#. so that, worker thread able to communicate with user interface on a event. i want to learn more on this. any help? thanks! jim. Re: worker thread communicate with user interface Abhishek Srivastava14-Jan-04 22:46 Abhishek Srivastava 14-Jan-04 22:46  Hi, Have u tried PostThreadMessage() API , using this API u can post ur event message to ur worket thread. for e.g void yourFunction() { BOOL success = PostThreadMessage( idThread, your thread ID Msg, // message wParam, // first message parameter lParam // second message parameter ); } and in your Thread... DWORD WINAPI yourThreadProc(void *ptr) { MESSAGE msg; while(GetMessage(&msg,NULL, 0,0) { switch(msg.message) { ---do your work accordingly --- } } } Abhishek Srivastava Software Engineer (VC++) India ,Noida Mobile no 9891492921 HELP!! VS.NET namespaces are driving me nuts... Nik Vogiatzis14-Jan-04 19:16 Nik Vogiatzis 14-Jan-04 19:16  hi all.. ok, this is my problem... i have a number of namespaces in my app... now, i can call namespace 'b' from namespace 'c', but for some reason, namespace 'b' says that namespace 'a' doesn't exist... now, i have altered the 'resovle #using...' bit correctly all the class libraries are managed class libraries and they are all VC++.NET libs... any thoughts guys??? cheers and thanks in advance... nik Nik Vogiatzis PhD Candidate: University of South Australia +++++++++++++++++++++++++++ Developing new generation Traffic Micro-simulation Tools for Traffic Engineers em: nikolaos.vogiatzis@unisa.edu.au Saving ColeServerDoc kevcs214-Jan-04 17:43 kevcs2 14-Jan-04 17:43  Hi all, I'd posted this question earlier, but the contents have been deleted!! Anyway, my question is: I've MDI application with FullServer option selected in step3 of AppWizard and CFormView as base class. In the code I used CreateNewDocument(), CreateNewFrame(), InitailUpdateFrame().The document is getting created, but when I try to save the document, it shows illegal operation.The code works well for CScrollView and CFormView with 'None' option for step3 of appwizard. Can anyone help me solve this? regards kevcs2. How to close Afxmessageboxes and dialogs belonging to a particular window Raghunandan S14-Jan-04 16:46 Raghunandan S 14-Jan-04 16:46  Hi All, can someone tell me how to close all the messageboxes and dialogboxes belonging to a particular window in an MDI client application.I cannot use CWnd::MessageBox with the corresponding window as parent for displaying a message since any other modal dialog displayed when a messagebox is active will lose it modal property.Hence I'm using AfxMessageBox.I there any other alternative solution for this. Thanks in advance Raghu Traversing dialogs kvan0714-Jan-04 16:28 kvan07 14-Jan-04 16:28  I want to make an MFC application that traverses through a series of several (up to 6) dialogs, and then returns to the main dialog. The user starts at the main dialog box, and makes a selection, closing that dialog and opening a dialog corresponding to the selection. This process would be repeated several times. These dialogs must be able to share data and work together as a single program. I have tried using modal dialogs but am not able to do anything once the second dialog is opened. Does anyone have a suggestion? Thanks, kvan07 Re: Traversing dialogs valikac14-Jan-04 16:30 valikac 14-Jan-04 16:30  One solution is a global data structure that stores the univeral information. Kuphryn Re: Traversing dialogs kvan0714-Jan-04 16:35 kvan07 14-Jan-04 16:35  My problem at this point is not data related. I am unable to actually traverse through a series of dialogs. kvan07 Re: Traversing dialogs Prakash Nadar14-Jan-04 19:32 Prakash Nadar 14-Jan-04 19:32  How about CPropertySheet & CPropertyPage in wizard mode? I Touched Osama Bin Ladens Bushy Beard Re: Traversing dialogs David Crow15-Jan-04 8:00 David Crow 15-Jan-04 8:00  Sounds kinda kludgy. Have you considered a property-sheet wizard? A rich person is not the one who has the most, but the one that needs the least. pushing two keys to one key vancouver77714-Jan-04 15:42 vancouver777 14-Jan-04 15:42  I am trying to get two key and a key pusing event. I already found a way to get the even when pushing two keys at the same time in PreTranslateMessage by calling GetAsyncKeyState function. However when I keep pushing one key and relase the other there is nothing coming to PreTranslate Message. Anyone knows why? 1. push up arrow up key 2. ( while pushing arrow up key) pushing left arrow key 3. release the left arrow key after number 3, even I am pushing up arrow key nothing comes to PreTranslateMessage Function I dont' know why? Regards, Shin Re: pushing two keys to one key valikac14-Jan-04 16:20 valikac 14-Jan-04 16:20  Maybe windows ignores the event from the keyboard. It resets only when the key returns to its original state (no pressed). Kuphryn Re: pushing two keys to one key vancouver77715-Jan-04 7:49 vancouver777 15-Jan-04 7:49  thanks for your comment. so when one key is released, make keyborads state to nothing is pressed, right. Do you know how to make it by any chance? Otherwise, I will do some research. Thank you very much for your help. Shin Handle system menu (custom) alex.barylski14-Jan-04 14:46 alex.barylski 14-Jan-04 14:46  I have added an about menu item to the end of the system menu and I can't remember how to handle those messages? I am using plain C/SDK code....so no MFC please... I have looked into WM_COMMAND and WM_SYSCOMMAND and can't seem to get either working??? Heres how I added the MENU item <small>inside WM_INITDIALOG</small> HMENU hMenu = GetSystemMenu(hWndDlg, FALSE); AppendMenu(hMenu, MF_SEPARATOR, 0, NULL); AppendMenu(hMenu, MF_STRING, IDR_ABOUT_MENU, "About..."); The word of the day is legs, let's go back to my house and spread the word

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