C / C++ / MFC

FirstPrevNext

Re: TIming Jeff Archer17-Nov-09 2:34 Jeff Archer 17-Nov-09 2:34  It's really not that complicated once you have done it a couple of times. The do while loop that you are using is extremely wasteful in terms of CPU utilization. The proper way to block a thread is with WaitForMultipleObjects. Also, you should never block the main thread of your application. The best solution would really be to use a background thread to draw on a BITMAP and use use BitBlt to transfer the image to the screen every 333 ms. As a side note the values returned by GetTickCount are really only accurate to 15.2 ms so using it to time 33 ms isn't going to work well on a loaded machine. The advantage of the multimedia timer is that you can truely have 1 ms accuracy. And by using a background thread and proper thread synchronization your code will scale properly on faster and multi core machines and still work correcly on a slower or heavly loaded machine. Re: Timing Anthony Appleyard17-Nov-09 19:09 Anthony Appleyard 17-Nov-09 19:09  In this case I need to wait not 333ms absolutely, but (333ms minus (the time taken to read that frame from a file)). How to add a dual interface to a non-ATL, non-MFC Application [closed] jmen@moc16-Nov-09 2:15 jmen@moc 16-Nov-09 2:15  Hello VC++ gurus, I have to add a dual interface to a non-MFC, non-ATL application. I have a non-ATL, non-MFC enabled project and a plain Win32 application. Now, this Win32 exe must expose some services through an IDispatch interface. My question: Can I somehow use ATL to help me with that IDispatch implementation? Event if the project is a non-ATL project? Note: My Win32 exe must act as Local Server (CLSCTX = CLSCTX_LOCAL_SERVER) here. I'll appreciate your help a lot. Regards P.S.: Thanks to all how replied to this thread. I'll try to use ATL in my non-ATL project: use CComObjectRootEx, CComCoClass, IDispatchImpl and CAtlModuleT<base> etc. straight away. So far, it looks OK. Regards, Joerg Re: How to add a dual interface to a non-ATL, non-MFC Application Richard MacCutchan16-Nov-09 3:05 Richard MacCutchan 16-Nov-09 3:05  Getting the most out of IDispatch[^] may have the answer you are looking for. Re: How to add a dual interface to a non-ATL, non-MFC Application jmen@moc16-Nov-09 3:57 jmen@moc 16-Nov-09 3:57  Thanks. Now, let me try to understand the XYZDispatchDriver: does it assume that the IDispatch Interface has been defined (in an IDL) and a coclass has been implemented? Or, is this created dynamically on the fly? In my situation, I do not yet have IDL defined, class implemented. Regards, Joerg Re: How to add a dual interface to a non-ATL, non-MFC Application Richard MacCutchan16-Nov-09 4:14 Richard MacCutchan 16-Nov-09 4:14  Sorry, I'm not a COM expert, I just remembered this article from my own studies on the subject. You could try posting your question at the end of the article as it will then go to the author, who probably is an expert. Re: How to add a dual interface to a non-ATL, non-MFC Application jmen@moc16-Nov-09 4:22 jmen@moc 16-Nov-09 4:22  Thanks anyway. Re: How to add a dual interface to a non-ATL, non-MFC Application CPallini16-Nov-09 5:42 CPallini 16-Nov-09 5:42  See here [^]. If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile. This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke [My articles] Re: How to add a dual interface to a non-ATL, non-MFC Application jmen@moc16-Nov-09 5:54 jmen@moc 16-Nov-09 5:54  I've seen that; just trying to be lazy and avoid all that handwriting... Is there a "lazy way"? Re: How to add a dual interface to a non-ATL, non-MFC Application CPallini16-Nov-09 6:13 CPallini 16-Nov-09 6:13  jmen@moc wrote: Is there a "lazy way"? Quote Selected Text Yes: ATL (Active Template Laziness). If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile. This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke [My articles] Re: How to add a dual interface to a non-ATL, non-MFC Application Nemanja Trifunovic16-Nov-09 7:05 Nemanja Trifunovic 16-Nov-09 7:05  CPallini wrote: Yes: ATL Using ATL once you know it is "laziness" (in a good way), but learning it? utf8-cpp Re: How to add a dual interface to a non-ATL, non-MFC Application CPallini16-Nov-09 8:36 CPallini 16-Nov-09 8:36  I don't need a code obfuscator: I'm writing a template library wrapping COM. --The ATL's author, former Klingon developer. I don't need to learn it, I just need to use it. --The VB6 developer If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile. This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke [My articles] Re: How to add a dual interface to a non-ATL, non-MFC Application jmen@moc16-Nov-09 8:38 jmen@moc 16-Nov-09 8:38  You mean, I can add ATL templates, macros and an ATL IDispatch implementation, eveen if my project is not an ATL Project? Would be good enough for me. Regards, Joerg Re: How to add a dual interface to a non-ATL, non-MFC Application CPallini16-Nov-09 9:38 CPallini 16-Nov-09 9:38  I suppose (note: suppose) it would be simpler transforming you project in a ATL one. If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile. This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke [My articles] Re: Off topic Richard MacCutchan16-Nov-09 7:34 Richard MacCutchan 16-Nov-09 7:34  A message in Italian in the .NET Framework forum; can you help with it? Re: Off topic CPallini16-Nov-09 9:22 CPallini 16-Nov-09 9:22  There's something wrong in the post: it looks like a direct request to another Italian woman (i.e an e-mail (un)intentionally posted on the forum). The same poster was able to write a request in good English here http://www.codeproject.com/Messages/3272888/Re-Problem.aspx[^]. If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile. This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke [My articles] Win32 DLL Resource not found Error Nitheesh George16-Nov-09 1:56 Nitheesh George 16-Nov-09 1:56  Hi every one, I develpoing a MFC application which uses a Win32 dll. This Win32 dll contains a DIALOG Box resource. I wanted to show this dialog by calling an exported function from this dll. But when calling this dialog through DialogboxParam API it returns with error 1812( RESOURCE NOT FOUND). I am solved this problem in MFC by calling AFX_MANAGE_STATE(AfxGetStaticModuleState( )). How to do this in Win32 way. thanks Nitheesh Jose Jo Martin http://www.simpletools.co.in Re: Win32 DLL Resource not found Error Iain Clarke, Warrior Programmer16-Nov-09 2:13 Iain Clarke, Warrior Programmer 16-Nov-09 2:13  For pure Win32... The DialogBox function has a first parameter of hInstance , which is the HINSTANCE of the DLL where you get the resource from. If you loaded the DLL using LoadLibrary, then you already have that parameter. If not, then when the DllMain function of the DLL is called at load time, then the HINSTANCE is passed then. Just remember it! (ie, in a extern variable that all the CPP files in the DLL have access to. That's how I did it in the old days! Iain. I have now moved to Sweden for love (awwww). If you're in Scandinavia and want an MVP on the payroll (or happy with a remote worker), or need contract work done, give me a job! http://cv.imcsoft.co.uk/[^] Re: Win32 DLL Resource not found Error Nitheesh George16-Nov-09 2:55 Nitheesh George 16-Nov-09 2:55  Hi Iain, I am loading the dll using LoadLibrary from a MFC application. And i am using a global HINSTANCE value from DllMain.But still this cause problem. Is this cause the resource handle of the dll be changed? thanks Nitheesh Jose Jo Martin http://www.simpletools.co.in Re: Win32 DLL Resource not found Error Iain Clarke, Warrior Programmer16-Nov-09 3:02 Iain Clarke, Warrior Programmer 16-Nov-09 3:02  Erm, your first email said you were succeeding with MFC. I told you how to do things in pure Win32. Now you say you still have problems. These facts do not fit each other. Please expand on what you are doing, so I can help better, Iain. I have now moved to Sweden for love (awwww). If you're in Scandinavia and want an MVP on the payroll (or happy with a remote worker), or need contract work done, give me a job! http://cv.imcsoft.co.uk/[^] Re: Win32 DLL Resource not found Error Randor 16-Nov-09 11:43 Randor 16-Nov-09 11:43  Hi, Try passing AfxGetResourceHandle[^] as the first parameter to the DialogBoxParam Function[^]. P.S. Your signature says your name is: Jose Jo Martin and your username says your name is Nitheesh George. Are you suffering from an identity crisis? Best Wishes, -Randor (King of Eternia) and (David Delaune) VTK & Windows Forms moon8416-Nov-09 1:02 moon84 16-Nov-09 1:02  Hi: I have started working with the library VTK and I want to use Windows Forms as GUI. I supposed that I have to create an OpenGL view on a Windows Form, and then connect in some way with VTK classes. HOW I can do that? I'm trying to represent an VTK object in a Windows Forms. Anyone have any simple example? I'm new in that and any kind of help would be welcome. Regards, María running program information itay1016-Nov-09 0:55 itay10 16-Nov-09 0:55  Hi I need to collect information about applications that running on the computer while my application's working. Information like the size of the form, how many buttons are on the application's form etc. I'm using c++, how can I do that? Whee is this information been saved? Can I have an access to it? Thanks a lot Itay Re: running program information Richard MacCutchan16-Nov-09 1:28 Richard MacCutchan 16-Nov-09 1:28  You can use the EnumWindows()[^] function and then go through all the children for each top level window you find. Re: running program information itay1016-Nov-09 3:15 itay10 16-Nov-09 3:15  thanks for the quick answer. how can I find top level window? what kind of information can I get with this function?

Last Visit: 31-Dec-99 18:00     Last Update: 2-May-24 12:32 Refresh ᐊ Prev1...2361236223632364236523662367236823692370 Next ᐅ

General    News    Suggestion    Question    Bug    Answer    Joke    Praise    Rant    Admin   

Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.