C / C++ / MFC

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Re: Did I Miss Something Here... markkuk27-Aug-02 5:41 markkuk 27-Aug-02 5:41  GCC 3.2 warns about the deprecated fstream.h header, but the structure declarations don't cause any errors. Re: Did I Miss Something Here... Roger Allen27-Aug-02 6:11 Roger Allen 27-Aug-02 6:11  It could be that your version on the C/C++ compiler does not support the use of constants ints when declaring an array. It is valid C/C++ in the latest standard, but now all recent compilers currently support it. There is a way around this using what is known as the "enum hack" enum {Num_of_scores = 7} ; float scores[Num_of_scores] ; Most, if not all compiler support this old method, where an enum can be used in the place an int is used. Roger Allen Sonork 100.10016 I think I need a new quote, I am on the prowl, so look out for a soft cute furry looking animal, which is really a Hippo in disguise. Its probably me. Choosing the best view? kc5zrs27-Aug-02 4:42 kc5zrs 27-Aug-02 4:42  Can anyone point me to a good source of comparison of the various views available in the MFC doc/view architecture? I'd like to know more about the pros and cons of using one view vs. another, and how one might go about choosing the best or most appropriate view for their application. Thanks! Re: Choosing the best view? Tomasz Sowinski27-Aug-02 4:51 Tomasz Sowinski 27-Aug-02 4:51  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_mfc_View_Classes_.28.Architecture.29.asp[^] Tomasz Sowinski -- http://www.shooltz.com Free your mind and your ass will follow. Figuring out someone else's program Like2Byte27-Aug-02 4:14 Like2Byte 27-Aug-02 4:14  We all know how hard it is to figure out our own programs after it has been a while since we programed it. Now, the question is, how do you approach figuring out someone else's Windows program written in C++? I already know that it's a win32 application (Well, honestly it's a WinCE platform) written with MFC (Functions tailored to fit CE). Where should I begin to start learning how this software does what it does? At theApp? Just start reveiwing classes and put the pieces together later? Procedurally? Thanks for your responses. Re: Figuring out someone else's program Tomasz Sowinski27-Aug-02 4:20 Tomasz Sowinski 27-Aug-02 4:20  If the program uses doc/view, then document and view classes will contain most interesting stuff. Does your project generate browse info? If not, make a copy and turn browse info generation on. You'll be able to easily look at class hierarchies. Tomasz Sowinski -- http://www.shooltz.com Free your mind and your ass will follow. Re: Figuring out someone else's program Like2Byte27-Aug-02 4:35 Like2Byte 27-Aug-02 4:35  Hey! That's really cool. Is there any documentation on how to effectively use this browser? {{Opens MSDN....}} Thanks! imus de buss umis de buss weall mis de buss How to speed up from DDB to DIB?Emergency csqlhy27-Aug-02 4:14 csqlhy 27-Aug-02 4:14  Dear, I meet a problem to speed up the function from DDB to DIB. The program I write is to read the wave data from the data files, then output the wave drawing by BMP files. And the BMP files may output 8bit, 16bits, 24bits, 32bits. so, we design it as following, 1. From data file to draw wave (not need display in screen, draw draw in Memory DC is OK. We need create a CBitmap, then use Memory DC to draw in the CBitmap) 2. Then write them to bitmap files. So, as you know, we should use GetDibits() function to transfer from DDB to DIB. But I find that GetDibits() function use much time, and it cause the reason of the bottleneck of my program. Because I must speed up my program, I look for your help. Can you tell me how to speed up the function from DDB to DIB? Is any other function can substitute the GetDibits() function to transfer from DDB to DIB? Or our project design is too complicated, can use other easy and fast method to complete? Welcome any suggestion! Best Regards, Re: How to speed up from DDB to DIB?Emergency Tomasz Sowinski27-Aug-02 4:18 Tomasz Sowinski 27-Aug-02 4:18  I think you should use CreateDIBSection and work on DIB exclusively. This gives you additional advantage of direct access to bitmap bits in device independent format - may be helpful if you need to push performance. Tomasz Sowinski -- http://www.shooltz.com Free your mind and your ass will follow. Throwing an exception from a constructor Le centriste27-Aug-02 3:57 Le centriste 27-Aug-02 3:57  If an object throws an exception from a constructor, is it considered constructed? Michel It is a lovely language, but it takes a very long time to say anything in it, because we do not say anything in it, unless it is worth taking a very long time to say, and to listen to. - TreeBeard Re: Throwing an exception from a constructor Tomasz Sowinski27-Aug-02 4:02 Tomasz Sowinski 27-Aug-02 4:02  No. Tomasz Sowinski -- http://www.shooltz.com Free your mind and your ass will follow. Sys Tray icon behavior Mike Fenske27-Aug-02 3:39 Mike Fenske 27-Aug-02 3:39  Is there a programmitic way to set a systray item to be "Always show"n as opposed to "Hide when inactive". The notification behavior can be changed by right clicking on the start bar/menu, clicking properties, then clicking the Customize button in the Notification area group box on the Taskbar tab. I would like to be able to change a setting through code. Is there an SDK call to do this? Thnx! Re: Sys Tray icon behavior Todd Smith27-Aug-02 9:02 Todd Smith 27-Aug-02 9:02  You might want to add a timer and update your icon every minute or so. I imagine that's how the system tray detects inactive icons by tracking their updates. Todd Smith Sending mails using MAPI... Neha27-Aug-02 2:54 Neha 27-Aug-02 2:54  Hi, I have written a application which sends mail using MAPI calls.It works fine.Now i want the user to enter the recepient mail id. If i set lpszName=""; then m_lpfnMAPISendMail(MAPISession, 0, &msg, MAPI_DIALOG , 0); function returns 25.Is there anyway to specify the recepient mail id at run time? Thanks Neha Re: Sending mails using MAPI... Michael P Butler27-Aug-02 3:18 Michael P Butler 27-Aug-02 3:18  Have you looked at http://www.codeproject.com/internet/cmapi.asp[^] Michael Time flies like an arrow. Fruit flies like a banana Task bar suresh_sathya27-Aug-02 2:54 suresh_sathya 27-Aug-02 2:54  How to hide my application name from Task bar.Please tell me the answer other than property called WS_EX_TOOLWINDOW. Re: Task bar User 665827-Aug-02 3:05 User 6658 27-Aug-02 3:05  You could use the ITaskbarList interface to add/remove your app from the taskbar. I tried it and it works fine. See MSDN for the documentation, it's quite easy to use modified 12-Sep-18 21:01pm. Re: Task bar Rickard Andersson2027-Aug-02 4:31 Rickard Andersson20 27-Aug-02 4:31  Gregor S. wrote: ITaskbarList Can use this to add text box to the task bar? Like the standard Run text box that I can add to the task bar? Or does the AddTab function just add a task bar icon!? Do you understand? Rickard Andersson@Suza Computing C# and C++ programmer from SWEDEN! UIN: 50302279 E-Mail: nikado@pc.nu Speciality: I love C#, ASP.NET and C++! Re: Task bar User 665827-Aug-02 6:58 User 6658 27-Aug-02 6:58  AddTab simply creates a new taskbar button with icon for any window you like. I does not create an edit box or something like that modified 12-Sep-18 21:01pm. Re: Task bar Tomasz Sowinski27-Aug-02 3:12 Tomasz Sowinski 27-Aug-02 3:12  KB article Q205158 'HOWTO: Prevent a Window from Appearing on the Taskbar' presents two methods. One is using WS_EX_TOOLWINDOW, and other isn't. Tomasz Sowinski -- http://www.shooltz.com Free your mind and your ass will follow. Urgent CStringArray help needed BK Pradeep27-Aug-02 2:34 BK Pradeep 27-Aug-02 2:34  Hi all, Below is the code snippet and at the end is the questions. class{ CStringArray *m_pstringarray; ... ... }; fun1(CWnd hwnd) { CString temp; hwnd.Getwindowtext(temp) m_pstringarray->Add(temp); } fun2() { CString str = m_pstringarray->GetAt(1); if(strcmp(str,"dialog editor") { } } Now the question is whether a.what actually does stringarray "Add" do?? b.Do i need to make "cstring temp" in fun1 heap allocate or static allocate will do?(that is should the string exist even after adding to the string array?) c.if i do RemoveAll for the string array, will deallocation of the memory of the strings takes place? Thanks for your patient reading. waiting for your reply. Regards Pradeep Re: Urgent CStringArray help needed Tomasz Sowinski27-Aug-02 2:37 Tomasz Sowinski 27-Aug-02 2:37  Is there any reason for using a pointer to CStringArray? Can't you just use CStringArray member in your class? Tomasz Sowinski -- http://www.shooltz.com Free your mind and your ass will follow. Re: Urgent CStringArray help needed BK Pradeep27-Aug-02 2:49 BK Pradeep 27-Aug-02 2:49  Ok lets think its the data member of the class.How does it matter? Re: Urgent CStringArray help needed Tomasz Sowinski27-Aug-02 2:52 Tomasz Sowinski 27-Aug-02 2:52  BK Pradeep wrote: How does it matter? Not very much. But you have to call new in order to create your array --and-- you need to delete it. a.what actually does stringarray "Add" do?? It adds the string at the end of the array. b.Do i need to make "cstring temp" in fun1 heap allocate or static allocate will do?(that is should the string exist even after adding to the string array?) No. CStringArray copies your string. c.if i do RemoveAll for the string array, will deallocation of the memory of the strings takes place? Yes. Tomasz Sowinski -- http://www.shooltz.com Free your mind and your ass will follow. Re: Urgent CStringArray help needed BK Pradeep27-Aug-02 3:01 BK Pradeep 27-Aug-02 3:01  Thanks a lot Pal.You have been helping me a lot!

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