C / C++ / MFC

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Re: How can I change the bitmap of a toolbar button at runtime? Tomasz Sowinski4-Oct-02 2:52 Tomasz Sowinski 4-Oct-02 2:52  Use CToolBar::GetToolBarCtrl and CToolBarCtrl::AddBitmap to load bitmap from resource and append it to toolbar's image list, then CToolBar::SetButtonInfo to change the index of button's image. Bitmap should have the dimensions of your toolbar buttons, usually its 16 x 15. RGB(192, 192, 192) - light gray - is used as transparency by MFC toolbars. Tomasz Sowinski -- http://www.shooltz.com *** Si fractum non sit, noli id reficere. *** Re: How can I change the bitmap of a toolbar button at runtime? Daniel Strigl4-Oct-02 2:59 Daniel Strigl 4-Oct-02 2:59  Thanks... I try it... -- Nice greets, Daniel. how to change the title of a dialog Daniel Strigl3-Oct-02 22:15 Daniel Strigl 3-Oct-02 22:15  How can I change the title of a dialog at runtime? I want to add a constructor to my dialog, so that I can set the title of the dialog, like CMyDialog dlg(_T("Settings"));. I save the title text in the constructor and want to set the title in the OnInitDialog function, but how can I set the title? -- Nice greets, Daniel. Re: how to change the title of a dialog adara3-Oct-02 22:31 adara 3-Oct-02 22:31  void SetWindowText( LPCTSTR lpszString ); trap errors/exceptions occured while running exe through commandline souchakra3-Oct-02 20:44 souchakra 3-Oct-02 20:44  In my application I am using Shellexecute to run SQLs through isql.exe. I want to trap the exceptions/errors which isql throughs in messagebox dialogs. Can I trap those messages anyway out. Souchakra Re: trap errors/exceptions occured while running exe through commandline Juergen Froehlich3-Oct-02 21:13 Juergen Froehlich 3-Oct-02 21:13  Try using SQL Server 2000 commandline tool osql which is the recommended tool for running sql scripts on commandline (if you not need to connect to SQL Server 6.5 or before). All sql server 2000 commandline tool output errors on stdout/stderr and there should be no message box at least. To catch the output it is a good idea to use the -o switch which directs it to the given file. (For more options see sql server 2000 online help "Using the SQL Server Tools) Possibly the messagebox may occur because ShellExecute is used and has this (configured?) effect for the case of a stderr output? Re: trap errors/exceptions occured while running exe through commandline souchakra3-Oct-02 21:27 souchakra 3-Oct-02 21:27  Hai Juergen, Thanx for your urly response.U suggested me of using osql but, I have to use Sybase Anywhere 5.5 which has the rtdsk50 eng free to distibute.For the same I am using isql.exe. Could u suggest me anything related to this.... DDE Messages Mustafa Demirhan3-Oct-02 19:56 Mustafa Demirhan 3-Oct-02 19:56  How can I register one file type with my application? I want my application to open all files that have the extension of ".tsx". I also would like to use DDE because I one instance of my program is always running and I do not want to run another instance. All I want is to send a message to the running instance. I am looking forward to hearing from you guys Mustafa Demirhan http://www.macroangel.com Sonork ID 100.9935:zoltrix <nobr>They say I'm lazy but it takes all my time Re: DDE Messages Stephane Rodriguez.3-Oct-02 20:12 Stephane Rodriguez. 3-Oct-02 20:12  More than one hundred native Windows apps are using DDE file association already. So I guess it's not cumbersome to find them. First thing to do is in Windows Explorer file association, check the use DDE checkbox, and type Open("%1") as DDE message, and system as Topic. This in itself in almost enough (depending then on how you handle default verbs in your apps). sometimes it helps to look at the IL generated code a MS guy on develop.com "answering" .NET issues Re: DDE Messages Mustafa Demirhan3-Oct-02 20:49 Mustafa Demirhan 3-Oct-02 20:49  In fact I did that. But when I do that, CWinApp tries to open the file on its own. But what I want is to do different things but I could not figure out how to. I overrided CWinApp::OnDDECommand () but this method is never called Mustafa Demirhan http://www.macroangel.com Sonork ID 100.9935:zoltrix <nobr>They say I'm lazy but it takes all my time Re: DDE Messages Stephane Rodriguez.3-Oct-02 21:33 Stephane Rodriguez. 3-Oct-02 21:33  You must also have this in your CWinApp implementation : // enable file manager drag/drop and DDE Execute open EnableShellOpen(); RegisterShellFileTypes(); // ... And you have MSDN articles [^]about it. From a former app I somewhat remember, I also had a WIN32 message loop scrutening for WM_DDE_xxx messages. But this advanced advanced DDE use to transfer data using the clipboard. sometimes it helps to look at the IL generated code a MS guy on develop.com "answering" .NET issues Re: DDE Messages Mustafa Demirhan3-Oct-02 23:07 Mustafa Demirhan 3-Oct-02 23:07  Thanks a lot. This is a good start for me. But I still get error messages. I added these two lines, but OnDDECommand is never called. All I get is a stupid error message: "Windows cannot find 'c:\temp\yourfile.tsx'. Make sure that you typed the name correctly, and then try again. To search a file, .....". The error message directly comes from Windows Explorer and then my program is executed. But it never calls OnDDECommand. I don't know what's going on there Mustafa Demirhan http://www.macroangel.com Sonork ID 100.9935:zoltrix <nobr>They say I'm lazy but it takes all my time Re: DDE Messages Mustafa Demirhan3-Oct-02 23:08 Mustafa Demirhan 3-Oct-02 23:08  Upps. One correction: First my program is started and then the error message comes directly from Windows Explorer Mustafa Demirhan http://www.macroangel.com Sonork ID 100.9935:zoltrix <nobr>They say I'm lazy but it takes all my time OK. I got it :) Mustafa Demirhan3-Oct-02 23:11 Mustafa Demirhan 3-Oct-02 23:11  I found my mistake: As the topic in Windows explorer I forgot to write "system". After I made the correction, everthing works great! Mustafa Demirhan http://www.macroangel.com Sonork ID 100.9935:zoltrix <nobr>They say I'm lazy but it takes all my time LVS_EX_CHECKBOXES checked state change notification chajadan3-Oct-02 19:34 chajadan 3-Oct-02 19:34  I've searched high and low for some notification message that is fired when the checked state changes on a list-view with LVS_EX_CHECKBOXES set. It seems a little silly to have to do a hit test every time someone clicks the list-view window and check the mouse coordinates again to see if it falls in the checkbox area. Am I missing something here? --charlie Re: LVS_EX_CHECKBOXES checked state change notification Holger Persch3-Oct-02 20:00 Holger Persch 3-Oct-02 20:00  Hi, please have a look to the following article: http://www.codeproject.com/listctrl/listcheckbox.asp[^] Best regards Holger Persch C++ Professional Publications? JennyP3-Oct-02 19:01 JennyP 3-Oct-02 19:01  Hello, I'm interested in expanding my C++ knowledge (OOD, MFC mechanics, etc.) and I would like to get advice on any publications/subscriptions that you folks believe is worth getting. Any ideas? What other resources (books, etc.) do you recommend? Thanks! JennyP Re: C++ Professional Publications? Stephane Rodriguez.3-Oct-02 20:06 Stephane Rodriguez. 3-Oct-02 20:06  JeffProsise - MSPress - Programming Windows 95 with MFC DaleRodgerson - MSPress - Inside COM Those two teach the very roots of everything else. Also a very valuable archive, free online : MSJ 1991-1998[^]. sometimes it helps to look at the IL generated code a MS guy on develop.com "answering" .NET issues Re: C++ Professional Publications? Tomasz Sowinski4-Oct-02 0:25 Tomasz Sowinski 4-Oct-02 0:25  http://www.gotw.ca/gotw/index.htm[^] Tomasz Sowinski -- http://www.shooltz.com *** Si fractum non sit, noli id reficere. *** Re: C++ Professional Publications? Christian Graus4-Oct-02 11:27 Christian Graus 4-Oct-02 11:27  I'm amazed that no-one has suggested you buy the Bible - 'The C++ Programming Language' by Bjrne Stroustrup. Every C++ programmer should own it, and also his 'Design and Evolution of C++' Beyond that, you should own the Langer & Kreft book on iostreams, a good STL reference, such as 'Generic Programming and the STL', and you may benefit from subscibing to the C Users Journal, despite a recent drop in quality it still has lots of good info on standard C++. Christian Hey, at least Logo had, at it's inception, a mechanical turtle. VB has always lacked even that... - Shog9 04-09-2002 During last 10 years, with invention of VB and similar programming environments, every ill-educated moron became able to develop software. - Alex E. - 12-Sept-2002 General error: Unable to read from file buffer occurred. Native Error Msg is: State:S1000,Native:0,Origin:[Microsoft][ODBC Cursor Library] achandra0073-Oct-02 18:44 achandra007 3-Oct-02 18:44  I get the error General error: Unable to read from file buffer occurred. Native Error Msg is: State:S1000,Native ,Origin:[Microsoft][ODBC Cursor Library] from using a CRecordset derived class. Trouble is, I don't know which Open call is causing it because I have tried to comment the code in several places and it hangs up at different points each time. I can see the CTTC* files in C:\TEMP directory and I have plenty of space there. Does anyone have any idea? I looked up Microsoft Knowledge Base and they don't have anything for this error. Thanks a lot in advance for any responses. ashish Detect System Inactivity Paul M Watt3-Oct-02 17:03 Paul M Watt 3-Oct-02 17:03  Hi All, Does anyone know a better way of detecting an inactive system other than Global Mouse and Keyboard hooks. It would be nice if I could tell how long it has been since the user has performed any sort of user input to their system. I do not like the GLobal hooks solution. Thanks Build a man a fire, and he will be warm for a day Light a man on fire, and he will be warm for the rest of his life! Re: Detect System Inactivity Shog93-Oct-02 18:22 Shog9 3-Oct-02 18:22  If you're on Win2k or better, you could maybe use GetLastInputInfo(). Or maybe install your own screensaver. Hooks do seem to be the most popular way though... Shog9 ------ Crazy lady with the shiny shoes, where are you? Kick your feet and calm the space that makes you hollow Live, Insomnia And The Hole In The Universe Re: Detect System Inactivity Paul M Watt3-Oct-02 19:40 Paul M Watt 3-Oct-02 19:40  Thanks, that's pretty much what I need. (I guess I can live with hooks on Windows 98.) Build a man a fire, and he will be warm for a day Light a man on fire, and he will be warm for the rest of his life! Working with C++ and C together Soepa3-Oct-02 16:06 Soepa 3-Oct-02 16:06  I'm working on a project on C++ of numeric calculus. I need to incorporate to a complete project that is written on ansi C ... Naturally, after compilation, the C functions are presenting big errors. Is it possible to incorporate, in any way, to my C++ project, other projects written on ansi C? Thanks in advance !

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