C / C++ / MFC

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Problem with menu 1-May-02 0:23 1-May-02 0:23  I'm writing a SDI application, which allows users to create models, and then save them. I've implemented most of the create functionalities, and I'm in the progress to working on saving the models. The problem I'm having is that when I try to add a message handler for 'Save' or 'Save As' from the menu, they don't seem to work??? I mean, the program doesn't even go through those bits of code??? I've put messageboxes, and breakpoints at different places, but the program just never gets there??? I think, is because of some code the MFC wizard has put there, e.g, built in code when using the wizard to create the project. For some strange reason, 'File Open' works fine??? Any help would be much appreciated Robert Re: Problem with menu Matt Philmon1-May-02 1:54 Matt Philmon 1-May-02 1:54  Could probably help you out but I'd need to see the code. I don't do well in generalities for these kinds of problems. Up to you. mphilmon@pobox.com Re: Problem with menu Renjith Ramachandran1-May-02 7:36 Renjith Ramachandran 1-May-02 7:36  hey yaar in the OnCommand u can filter your menu command by LOWORD(WPARAM) all the menu commands will be go there....so try.. sofware behind everything... Enjoy with the codes... Renjith Pandalam PC Camera Capture Sameer Maggon30-Apr-02 21:41 Sameer Maggon 30-Apr-02 21:41  Hi, Can ne body help me to write an application which takes a shot from camera and save it into a file on HDD.. Its a LG camera Any links or nething that i can read Sameer Re: PC Camera Capture Derek Lakin30-Apr-02 22:27 Derek Lakin 30-Apr-02 22:27  There's a good example (several actually) in the DirectX 8.1 SDK (available from the MSDN Downloads). Under Samples\Multimedia\DirectShow\Editing. It's called StillCap and illustrates movie and still capture. Derek Lakin. I wish I was what I thought I was when I wished I was what I am. Salamander Software Ltd. Re: PC Camera Capture Sameer Maggon2-May-02 18:24 Sameer Maggon 2-May-02 18:24  Hi, Actually what i want is that in my application whenever a user presses a button, the camera is turned on.. takes a shot and saves that in a JPG or BMP file and frees the resources.. This should be done w/o doing anything on the screen I've done it for a Motion (avi - timebased).. but how to do it for a Shot Please Help Sameer Re: PC Camera Capture Derek Lakin2-May-02 19:54 Derek Lakin 2-May-02 19:54  Then I guess you'll have to get your hands dirty and rip out the frame grabbing stuff and put it into your app. Sorry, but I don't enough about video capture to help much. I just hacked the example I mentioned to get it to behave how I wanted (but I didn't change the video capture functionality). Derek Lakin. I wish I was what I thought I was when I wished I was what I am. Salamander Software Ltd. Need Help with Dialogs Brind_Foin30-Apr-02 21:03 Brind_Foin 30-Apr-02 21:03  Hi everybody! I need help to achieve a project at work. My app is a MFC dialog based. I need to access variables and control between 3 modeless dialog. How can I do that. I've tried everything I know. I have already a lot of work done in both 3 dialogs... Let me explain what I've done. - I have 3 templates : IDD_MainDlg , IDD_Dialog1 , IDD_Dialog2 - IDD_MainDlg's class is CMainDlg (Created with the wizard at startup...) - IDD_Dialog1's class is CDialog1 and then IDD_Dialog2 is CDialog2. - I've declared : CDialog1 m_Dialog1; CDialog2 m_Dialog2; inside the CMainDlg header file. - I've created : m_Dialog1.Create(IDD_Dialog1,this); m_Dialog2.Create(IDD_Dialog2,this); m_Dialog1.ShowWindow(SW_SHOW); m_Dialog2.ShowWindow(SW_SHOW); inside the OnInitDialog() of CMainDlg; Let say that I have a CSliderCtrl object called 'm_Slider' declared inside the CDialog2 header file. When I'm in CMainDlg, I can access this variable by typing m_Dialog2.m_Slider without problem or error. Where I'm confused is when I'm inside CDialog1 and want to access m_Slider. This is the 'best one' of all codes I've tried : CDialog2* pWnd; CMainDlg pdlg; pWnd = &pdlg.m_Dialog2; pWnd->m_Slider.SetPos(0); I always get an assertion error. When debugging it always say that there is no handle _AFXCMN_INLINE void CSliderCtrl::SetPos(int nPos) { ASSERT(::IsWindow(m_hWnd)); ::SendMessage(m_hWnd, TBM_SETPOS, TRUE, nPos); } (m_hWnd is always 0x00000000 ) What can I do to get all the things working well ?!?!?! I have a lot of data to pass between theses three dialogs so... Best regards, Brind If coding looks like drugs... I should go on therapy... Re: Need Help with Dialogs Tom Archer30-Apr-02 22:33 Tom Archer 30-Apr-02 22:33  You're code is not working because the window has not been created yet. Always keep in mind that just because you create an instance of an MFC class such as CDialog (or a derived class), the encapsulated window isn't actually there until you tell the class to create it. With regards to communicating data between these various dialogs, there several ways to achieve this. If you're simply trying to get initialization data to one dialog from another, you can change the constructor to accept this information. Then in the dialog's constructor, you save this information in member variables and finally use it to init the dialog's controls in either the OnInitDialog or DoDataExchange function. Cheers, Tom Archer Author, Inside C# A total abstainer is one who abstains from everything but abstention, and especially from inactivity in the affairs of others. Re: Need Help with Dialogs Brind_Foin1-May-02 3:13 Brind_Foin 1-May-02 3:13  Hi Tom , I don't understand what you said when you tell that 'the encapsulated window isn't actually there until you tell the class to create it'. Is this because I create my window inside the main window or what? Would you supply me a small example that will point me in the right direction. Also, my datas to be communicated aren't only to be passed at initialisation of the dialog, they are to be communicated all the time until I stop the app. Im newbie in C++ so, there's a lot of thing that confuse me!! Thanks, Brind If coding looks like drugs... I should go on therapy... Re: Need Help with Dialogs Tom Archer1-May-02 3:23 Tom Archer 1-May-02 3:23  When you instantiate a CDialog, you don't have a window yet. You won't until you specifically tell the class to create its underlying window. In the case of a modal dialog this is done via DoModal. In the case of a modeless dialog, this is done via Create or CreateIndirect. In you situation, you're referring to controls on a dialog that haven't been created because their containing window (the dialog) hasn't been created. Therefore, you'll need to move that code using one of the techniques I described. Cheers, Tom Archer Author, Inside C# A total abstainer is one who abstains from everything but abstention, and especially from inactivity in the affairs of others. CFtpConnection::SetCurrentDirectory() Tony Fontenot30-Apr-02 20:16 Tony Fontenot 30-Apr-02 20:16  What is this function used for? No seriously, I have been playing around with CFtpConnection, specifically PutFile, and I have found that i need to specify exacly where the file should be placed on the server. I tried to use SetCurrentDirectory but to no avail. The functions returns success but when I just put the file name in PutFile it transfers it to the root. To me SetCurrentDirectory should let me put just the file name(no path) in PutFile. So my question is. Am I doing it wrong and SetCurrentDirectory should work the way I want it to, or am I suck with PutFile with the Path\FileName. Thanks in advance *********************** Tony Fontenot Recreational Solutions tony@recsolutions.com *********************** Re: CFtpConnection::SetCurrentDirectory() Tom Archer30-Apr-02 21:02 Tom Archer 30-Apr-02 21:02  That's definitely strange because I've written a very basic FTP client and it works fine. Cheers, Tom Archer Author, Inside C# A total abstainer is one who abstains from everything but abstention, and especially from inactivity in the affairs of others. Re: CFtpConnection::SetCurrentDirectory() Joao Vaz30-Apr-02 21:24 Joao Vaz 30-Apr-02 21:24  It worked perfectly for me, you tried using GetCurrentDirectory and then set the path relatively with SetCurrentDirectory ? What was the error that GetLastError() reports ? x = GetLastError(); Better put the variable x on the watch window with the modifier hr like this: x,hr what the error says ? See this on this page for a basic ftp tool using wininet : Some tips Cheers, Joao Vaz Frustrated TCL programmer,good c++ programmer wannabe Re: CFtpConnection::SetCurrentDirectory() Tony Fontenot1-May-02 10:20 Tony Fontenot 1-May-02 10:20  Got it working thanks all *********************** Tony Fontenot Recreational Solutions tony@recsolutions.com *********************** How can i use explorer's functions in my program? xsword30-Apr-02 20:07 xsword 30-Apr-02 20:07  how can i add Explorer's functions ,for example,the list view of the Explorer ,to my program? i am coming quietly just as i am leaving quietly. Re: How can i use explorer's functions in my program? loket30-Apr-02 23:37 loket 30-Apr-02 23:37  You have to implement IShellBrowser. CFormView question ... Hadi Rezaee30-Apr-02 19:13 Hadi Rezaee 30-Apr-02 19:13  Hi there, I made 3 forms(dialogs) in the resource in my project. How can i change the document's form in my program ? For example the menu has 3 items: FORM 1 FORM 2 FORM 3 Now, i want to when i click on each items, program show me the forms ... So, please tell me how can change forms in the document(formview) ?!!! Thanks. My month article: Game programming by DirectX by Lan Mader. Please visit in: www.geocities.com/hadi_rezaie/index.html Hadi Rezaie Re: CFormView question ... Swinefeaster30-Apr-02 20:02 Swinefeaster 30-Apr-02 20:02  You need to create a CFormView-derived class via the ClassWizard for each dialog resource that you defined. Then you need to call CFrameWnd::CreateView() for each view. Then use CFrameWnd::SetActiveView() to switch between them. cheers, swinefeaster Check out Aephid Photokeeper, the powerful digital photo album solution at www.aephid.com. Re: CFormView question ... Hadi Rezaee30-Apr-02 20:05 Hadi Rezaee 30-Apr-02 20:05  Thanks for help My month article: Game programming by DirectX by Lan Mader. Please visit in: www.geocities.com/hadi_rezaie/index.html Hadi Rezaie Re: CFormView question ... Tom Archer30-Apr-02 21:05 Tom Archer 30-Apr-02 21:05  In addition to swinefeasters' advice (gotta love a handle like that), check out this thread where I've explained step by step how to do this. Cheers, Tom Archer Author, Inside C# A total abstainer is one who abstains from everything but abstention, and especially from inactivity in the affairs of others. Re: CFormView question ... Hadi Rezaee30-Apr-02 21:16 Hadi Rezaee 30-Apr-02 21:16  Hello Master. Tom Archer, Thanks alooot for example, it is my honor that someone like you answer me With Best Regards. My month article: Game programming by DirectX by Lan Mader. Please visit in: www.geocities.com/hadi_rezaie/index.html Hadi Rezaie Re: CFormView question ... Tom Archer30-Apr-02 22:26 Tom Archer 30-Apr-02 22:26  You're very welcome. Let me know if you need any further assistance. Cheers, Tom Archer Author, Inside C# A total abstainer is one who abstains from everything but abstention, and especially from inactivity in the affairs of others. Putting an OLE or ActiveX in CView ... Hadi Rezaee30-Apr-02 19:02 Hadi Rezaee 30-Apr-02 19:02  Hi there, For example i want to put Flex Grid activex in CView ... How could i do that ? My month article: Game programming by DirectX by Lan Mader. Please visit in: www.geocities.com/hadi_rezaie/index.html Hadi Rezaie Re: Putting an OLE or ActiveX in CView ... Mazdak1-May-02 0:32 Mazdak 1-May-02 0:32  Haven't test it before but I guess you can do it with Create() function of that ActiveX. Mazy "The path you tread is narrow and the drop is shear and very high, The ravens all are watching from a vantage point near by, Apprehension creeping like a choo-train uo your spine, Will the tightrope reach the end;will the final cuplet rhyme?"Cymbaline-Pink Floyd

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