C / C++ / MFC

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Re: trapping dlgbar sys commands Tomasz Sowinski17-Jun-01 23:36 Tomasz Sowinski 17-Jun-01 23:36  CControlBar-derived objects (including CDialogBars) are not destroyed when you click on the 'x' icon - MFC just hides them. To trap this event, you can override virtual method CControlBar::DelayShow. The function is undocumented, but worked OK for me. What kind of problems are you having with resizing? No WM_SIZE message? Tomasz Sowinski -- http://www.shooltz.com.pl Re: trapping dlgbar sys commands Wayne Janaway18-Jun-01 13:14 Wayne Janaway 18-Jun-01 13:14  Thanks. That sounds like it might be what I need, but what are the parameters for DelayShow()? As for the other, it's not a problem with resizing as such, but rather a result of any user action on the dlgbar window itself. This particular bar is set to float or dock, and it contains a listcontrol which is its main feature. Whenever the bar is moved, the input focus switches to the bar itself, and stays there. I need it to return to the listcontrol after the move is complete ( as soon as the mouse is released ). Thanks again. Re: trapping dlgbar sys commands Tomasz Sowinski19-Jun-01 0:32 Tomasz Sowinski 19-Jun-01 0:32  > what are the parameters for DelayShow()? It's declared like this in afxext.h: virtual void DelayShow(BOOL bShow); Are you using 'raw' CDialogBar or some derived class? Tomasz Sowinski -- http://www.shooltz.com.pl Re: trapping dlgbar sys commands Wayne Janaway19-Jun-01 11:41 Wayne Janaway 19-Jun-01 11:41  I'm using a derived class with one additional member -- a boolean flag representing the bar's visibility state. Thanks again. MSCOMM help !!! Hadi Rezaee16-Jun-01 22:30 Hadi Rezaee 16-Jun-01 22:30  Hi all. I'm writing program by MSCOMM ... I wrote sending data section in my program. My problem is in getting data section !!! It mean i don't know for getting data i must use which function !!! I must use, GetInput() or SetInput() or ... ?!!! Please help me ... My month article: Game programming by DirectX by Lan Mader. Please visit in: www.geocities.com/hadi_rezaie/index.html Hadi Rezaie Re: MSCOMM help !!! D.D. de Kerf17-Jun-01 21:32 D.D. de Kerf 17-Jun-01 21:32  There are a couple of ways to take care of this problem. I'll tell you about the way I solved it in my project a couple of weeks ago... The GetInput function gives you the content of the input buffer and it resets the input buffer to empty (that is, if you do it correctly in respect to VARIANT types... I told you this a few weeks ago). Now you can choose to work on event-basis or on time-basis. If you work on even-basis, you have to catch the 'input buffer threshold reached' event. You can program the 'GetInput' function right inside the event handler and store the received character(s) in a string member variable. If you choose to work on a time-basis you will have to start polling the size of the string already in the inputbuffer. Don't forget to program a time-out procedure in the latter case, because if you don't and the communication gets messed up, your program will hang! Now, in either case, you have to think of some wat to package your communication. I packaged my messages inside STX and ETX commands (some low-value ASCII characters). You can then extract the messages from your member string variable by searching for ETX commands (you can use whatever you want of course, even \n if you like). Hope this helps a little! Structured programming vs. chaotic mind boggling Re: MSCOMM help !!! Hadi Rezaee18-Jun-01 2:42 Hadi Rezaee 18-Jun-01 2:42  Thanks for your help ... Your helps is very nice. Now, i have other question, how can i take the phone ? Does i must use of ATH1 for do it ? My month article: Game programming by DirectX by Lan Mader. Please visit in: www.geocities.com/hadi_rezaie/index.html Hadi Rezaie Re: MSCOMM help !!! D.D. de Kerf18-Jun-01 20:48 D.D. de Kerf 18-Jun-01 20:48  Answering the phone: 1) Wait until it rings 2) Pick up the horn and say your name, preferably 'goodmoring' as well Just kidding Now this is how your modem should do this: First you have to set the DTR to true. Don't ask me why, you just have to. You can use the SetDTREnable(true) function for that. Then send the next message to the modem: ATE1S0=1 followed by a carraige return - line feed again. Now it will pick up the phone (if everything's okay, you will probably see the AA light on your modem light up... Auto Answering mode). Now you're gonna have to poll the input buffer and as soon as you get a message from the modem (ended by a carraige return - line feed) which starts with the string 'CONNECT ', then you know the handshake has succeeded and your connection is open... Good luck! Structured programming vs. chaotic mind boggling Re: MSCOMM help !!! Hadi Rezaee19-Jun-01 2:08 Hadi Rezaee 19-Jun-01 2:08  Thanks aloooooooot for all helps. My month article: Game programming by DirectX by Lan Mader. Please visit in: www.geocities.com/hadi_rezaie/index.html Hadi Rezaie Re: MSCOMM help !!! Hadi Rezaee21-Jun-01 2:33 Hadi Rezaee 21-Jun-01 2:33  Hi again ... I want to know can i control the Microphone in MSCOMM ? Because i can dialing by MSCOMM, and i can hang up the phone and ... but when i speak in microphone, my friend can't hear my voice !!! why ??? My month article: Game programming by DirectX by Lan Mader. Please visit in: www.geocities.com/hadi_rezaie/index.html Hadi Rezaie Re: MSCOMM help !!! D.D. de Kerf21-Jun-01 4:14 D.D. de Kerf 21-Jun-01 4:14  Oh, well, you lost me there. All I ever did was let 2 PC's communicate. I've no idea where the voice comes in... I don't even know if it IS possible, even though I think it should be... Good luck! Structured programming vs. chaotic mind boggling Re: MSCOMM help !!! Hadi Rezaee27-Jun-01 4:14 Hadi Rezaee 27-Jun-01 4:14  Hi again, How are you ?, i have other question ... I see example about MSCOMM in MSDN ..., in this example he write function for sending data(I wrote, too), but he write this function, too !!! void DoEvents() { MSG msg; while(PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE)) { if(!AfxGetThread()->PumpMessage()) return; } } Just, i want to know for recieving data, i must use of this function ??? Thanks. My month article: Game programming by DirectX by Lan Mader. Please visit in: www.geocities.com/hadi_rezaie/index.html Hadi Rezaie Re: MSCOMM help !!! D.D. de Kerf27-Jun-01 21:15 D.D. de Kerf 27-Jun-01 21:15  Hello again to you too, I'm doing fine, thanks. What about you? I'm starting to get curious about the sort of application you're building at the moment... If it's not too rude sticking my nose into your business Anyways, I've left the MSComm story a month ago and am now busy programming some ASP-website. About your question, this function looks like some weird windows-messaging function. I think it's probably a GUI-related function from the example. Shouldn't worry about it too much. I never used it and my application is working great. Good luck! Structured programming vs. chaotic mind boggling Re: MSCOMM help !!! Hadi Rezaee28-Jun-01 10:21 Hadi Rezaee 28-Jun-01 10:21  Thanks, you really helped me ... My month article: Game programming by DirectX by Lan Mader. Please visit in: www.geocities.com/hadi_rezaie/index.html Hadi Rezaie CEdit - Horizontal scroll to start Sara Burns16-Jun-01 11:25 Sara Burns 16-Jun-01 11:25  Using Visual C++ 6.0 and MFC I have populated a CEdit control programmatically. Sometimes the text is longer than the display area. Can anyone please tell me how to issue a command to scroll back to the start of the text. Currently it always scrolls to the end. Thanks in anticipation Sara Re: CEdit - Horizontal scroll to start Igor Sukhov16-Jun-01 13:06 Igor Sukhov 16-Jun-01 13:06  How did you get the such a strange behaviour ... ? I've just created a MFC dialog-based app with a single line edit control and I tried that code: 1)m_edtText.SetWindowText("I'm the man with the mission"); and that: 2)m_strText = "I'm the man with the mission"; UpdateData(FALSE); and all works fine (it means - I can't reproduce your app behaviour =). Anyway - try this code: m_edtText.SetSel(0,0); Hope it will help you. Best regards, ----------- Igor Soukhov (Brainbench/Tekmetrics ID:50759) igor_soukhov@yahoo.com | ICQ:57404554 | http://siv.da.ru Re: CEdit - Horizontal scroll to start 20-Jun-01 3:54 20-Jun-01 3:54  Calling the CEdit member function SetSel(0, 0, FALSE) will scroll it so the first character is visible. p1514 Using STL Rostrox16-Jun-01 6:00 Rostrox 16-Jun-01 6:00  Many thanks to Ben, anonymous , markkuk. As a result of your help (jun 14) I share the next example program that worked very well for my purposes: // Example about using map #include <iostream> #include <string> #include <utility> #include using namespace std; const int tam=10; struct stTot { string stLey; double dMonto[tam]; }; stTot myTot; map<string, sttot=""> mpCont; string clave; int main() { myTot.stLey = "Text one"; for(int i=0; i<tam; i++) ="" mytot.dmonto[i]="i+11; " mpcont["one"]="myTot; " mytot.stley="Text two" ; ="" for(i="0;" i<tam;="" clave="two" mpcont[clave]="myTot; " map<string,sttot="">::iterator it = mpCont.find("one"); cout << (*it).first << " " << (*it).second.dMonto[3] << endl; it = mpCont.find(clave); cout << (*it).first << " " << (*it).second.stLey << endl; return 0; } /* Output obtained for both cases is: one 14 two Text two */ Re: Using STL Rostrox16-Jun-01 6:16 Rostrox 16-Jun-01 6:16  Unfortunately, some words or characters seems not to be displayable, for example the include files: these are iostream, string, utility and map, all enclosed in angular parenthesis. There some others but I think these are easy to discover for the interested people. Re: Using STL Christian Graus17-Jun-01 11:23 Christian Graus 17-Jun-01 11:23  They're lost because HTML is parsed in our posts. SO a < > pair is assumed to contain an HTML command and is therefore not shown. To get those signs I used & lt and & gt, without the spaces. Christian #include "std_disclaimer.h" People who love sausage and respect the law should never watch either one being made. The things that come to those who wait are usually the things left by those who got there first. Re: Using STL Michael Martin17-Jun-01 19:52 Michael Martin 17-Jun-01 19:52  Alternatively you could use the <pre> tag before your code segment and the </pre> after, everything in between should be exactly as you typed it. Michael Martin Pegasystems Pty Ltd Australia martm@pegasystems.com +61 413-004-018 Saving a Drawing as Image file Nitish Kumar16-Jun-01 5:51 Nitish Kumar 16-Jun-01 5:51  hey guys, how do i save my drawing, which i make using onDraw(CDC* pDC) in a MFC application as an image file or how do i export it to word or any other software?? Nitish Re: Saving a Drawing as Image file Christian Graus17-Jun-01 11:25 Christian Graus 17-Jun-01 11:25  GDI+ lets you save images in a variety of formats, at last count GDI supports - none. Sorry Seriously though, there is code on the CP to save bmp files, if you want a variety of formats, you can go to www.paintlib.de and download paintlib. It supports bmp, gif, jpg, png, tif and if they've finally put in the code I gave them last year, tga as well. Christian #include "std_disclaimer.h" People who love sausage and respect the law should never watch either one being made. The things that come to those who wait are usually the things left by those who got there first. Opening a Dialog Window By clicking a hyperlink 16-Jun-01 3:21 16-Jun-01 3:21  Actually i am facing the problem to open a new dialog window by clicking a hyperlink in the client area of the window-- How is it possible? Can i insert menu in a dialog window? Re: Opening a Dialog Window By clicking a hyperlink Igor Sukhov16-Jun-01 4:11 Igor Sukhov 16-Jun-01 4:11  Hi Syjoy ! 1)To open dialog you should write a responce code (to a hyperlink click) like the sample below: CYourDlg dlg; dlg.DoModal(); please note that rhe example is for a modal dialogs only ... hope it will be enough for you. 2)Yes it's possible. 3)To insert menu into dialog (assuming that you're using MFC, ClassWizard and other usefull stuff =): a)Insert a new menu into resources ... name it IDR_MENU1 b)select a dialog you'd like menu insert into (Resource View "Tab"->Dialog->) c)Select diagog properties - (rigth click on the dialog) d)Select "General" Tab e)In "Menu" combo select IDR_MENU1. f)compile project g)link project h)debug it a little i)run it j)enjoy =) I'm in a rather good mood today =);P Best regards, ----------- Igor Soukhov (Brainbench/Tekmetrics ID:50759) igor_soukhov@yahoo.com | ICQ:57404554 | http://siv.da.ru

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