C / C++ / MFC

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Bitmap Masking.. Neha28-Nov-01 0:36 Neha 28-Nov-01 0:36  Hi, I have written a MFC application using VC++ 6.0. I have an image displayed in my application,if i select the part of the image,rest of the image color should be faded..It is like Quick Mask tool in adobe photoshop. Any idea... Thanks in advance.. Neha Re: Bitmap Masking.. Christian Graus28-Nov-01 1:50 Christian Graus 28-Nov-01 1:50  The easiest way to do this would be with a DIBSection or GDI+, so you can grab the bitmap and do a brightness filter with a negative value on the sections you want to fade. Christian After all, there's nothing wrong with an elite as long as I'm allowed to be part of it!! - Mike Burston Oct 23, 2001 Sonork ID 100.10002:MeanManOzI live in Bob's HungOut now Re: Bitmap Masking.. Neha28-Nov-01 16:59 Neha 28-Nov-01 16:59  Hi, Thanks for the reply. Could you pl give some code hints. Thanks in advance. Neha Re: Bitmap Masking.. Christian Graus28-Nov-01 17:14 Christian Graus 28-Nov-01 17:14  Well, use Chris Maunders DIBSection wrapper and you'll have a bitmap you can treat as a HBITMAP, but also iterate through the bits directly. Christian After all, there's nothing wrong with an elite as long as I'm allowed to be part of it!! - Mike Burston Oct 23, 2001 Sonork ID 100.10002:MeanManOzI live in Bob's HungOut now ::listen() function gotcha ?!?!?! Davide Calabro27-Nov-01 23:34 Davide Calabro 27-Nov-01 23:34  Do someone know why if I put a socket listening using: listen(MyServerSocket, 1); // Accept ONLY 1 connection and then try to connect to this socket with 2 applications (at the same time) both connect ?!?!?!? The first application that connects can send and receive bytes, while the second application cannot send/receive anything. I've tried various socket examples (included some found on the MSDN and Microsoft website) but all of them have this problem. Any clue? Thanks very much in advance for any help!!!!!!! SoftechSoftware Davide Calabro' davide_calabro@yahoo.com http://www.softechsoftware.it Re: ::listen() function gotcha ?!?!?! Nish Nishant27-Nov-01 23:39 Nish Nishant 27-Nov-01 23:39  you have specified a backlog of 1 This means when there is one existing connection,one more connection is possible. An ideal situation would have been to be able to specify a backlog of zero. Unfortunately if you use zero it is reset to 1 automatically and I really dont know why this is so. I had similar situations often where I wanted only one connection. What I finally did was to set a flag and if the flag was true whenever a new connection came I closed the socket. I allowed a connection only when the flag was false. It's a silly work-around but that's the way it works. Nish Sonork ID 100.9786 voidmain www.busterboy.org Nish is a BIG fan of Goran Ivanisevic Re: ::listen() function gotcha ?!?!?! Davide Calabro28-Nov-01 1:54 Davide Calabro 28-Nov-01 1:54  Thanks very much for your help! SoftechSoftware Davide Calabro' davide_calabro@yahoo.com http://www.softechsoftware.it Socket connect function fails and WSAGetLastError returns WSAECONNREFUSED in a WIN32 service 27-Nov-01 23:13 27-Nov-01 23:13  Hi I am using the following function to send a mail. In a normal exe if I use it it works properly.But I have converted my application into a service. Then in the following function connect function fails and WSAGetLastError returns error WSAECONNREFUSED. int CSMTP::SMTPSendMail(char *lpszMail) { char szHostName[100]; SOCKET sSock; bool bData = FALSE; int iErr; char szSendBuf[1000]; char szRecvBuf[2000]; int iSend = 0; int iCount = 0; int PORT=25; DWORD dwRecCount = 0 ; char * SMTPCOMMANDS[]={"HELO", "MAIL FROM:","RCPT TO:", "DATA", "QUIT"}; // Default Time Out Values See RFC 1123.Sec.5.3.1 DWORD TimeOut[6]={18000000,18000000,18000000,7200000,10800000,36000000}; DWORD dwSndTO = 90000; gethostname(szHostName,100); try { SOCKADDR_IN SendSock; SendSock.sin_family=AF_INET; SendSock.sin_addr.s_addr= m_dwServerIP; SendSock.sin_port=htons(PORT); if ( (sSock=socket(AF_INET,SOCK_STREAM,0))==INVALID_SOCKET) { wsprintf(m_szErrorMsg,"SMTPSendMail::Socket creation failed"); return -1; } //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // Connect and Get Greeting SMTP ERROR CODE Success == 220 Failure = 421 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ if ((iErr=connect(sSock,( const struct sockaddr FAR *)&SendSock,sizeof (SendSock)))==SOCKET_ERROR) { wsprintf(m_szErrorMsg,"Connect Attempt failed to %s Server",m_lpszMailServer); int code = WSAGetLastError (); // returns WSAECONNREFUSED closesocket(sSock); return -1; } iErr = setsockopt(sSock,SOL_SOCKET, SO_RCVTIMEO ,(char *)&TimeOut[0],sizeof(TimeOut[0])); iErr = setsockopt(sSock,SOL_SOCKET, SO_SNDTIMEO ,(char *)&dwSndTO,sizeof(dwSndTO)); ZeroMemory(szRecvBuf,2000); iErr = 0 ; iCount = 0; ... ... ... } What is the problem? Please help. Thanks in advance. rgds Venkatesh Re: Socket connect function fails and WSAGetLastError returns WSAECONNREFUSED in a WIN32 service Masaaki Onishi28-Nov-01 6:21 Masaaki Onishi 28-Nov-01 6:21  Hello, the codegurus around the world.;) I don't understand the meaning of Win32 Service? I think that you use the blocking socket, and WSAGetLastError() simple gets the last error of the socket operation. This means that even though you put on WSAGetLastError() in connect, the other process, for example, gets the result of connect, and get to the requirement of the user id and password of the email, this WSAGetLastError () may get another error generated the operation except connect(). Or, maybe Win32 Service has the conflict with your socket operation. Please, don't send me your email about your questions directly. Have a nice day! Sonork - 100.10571:vcdeveloper -Masaaki Onishi- Modeless Dialog without leakages Braulio Dez27-Nov-01 21:15 Braulio Dez 27-Nov-01 21:15  Hi, I want to create a modeless dialog ( create, show...), but I don´t what is the correct way to avoid leakages when closing the dialog, or destroyin or... should I notify the parent that the modeless dialog has been closed to call there DestroyWindow, or... ? Thanks, Bye ! Braulio Re: Modeless Dialog without leakages Michael Dunn27-Nov-01 21:31 Michael Dunn 27-Nov-01 21:31  In MFC, you override PostNcDestroy() and call delete this. In ATL, it's supposed to be similar, but I'm writing code at the moment that has a modeless dialog and the docs seem to be wrong. I just posted about this, so keep an eye on that post too. --Mike-- http://home.inreach.com/mdunn/ While I can't be correct on all matters, I can make the reassuring claim that where I am inaccurate, I am at least definitively inaccurate. your with and Sonork - 100.10414 AcidHelm A simple problem for help 27-Nov-01 21:11 27-Nov-01 21:11  i have declared a combobox (CComboBox m_selector)under my CMainFrm class in MDI environment. but in MyAppView class i need to use the m_selector to get its current selection (m_selector.GetCurSel()). i dunt know how to go about referring the mainfrm to the myappview so that i can work on the combobox in the myappview class. pls help Re: A simple problem for help Eugene Pustovoyt27-Nov-01 21:18 Eugene Pustovoyt 27-Nov-01 21:18  Use the AfxGetMainWnd() for get pointer to the MainFrame. Best regards, Eugene Pustovoyt Re: A simple problem for help 27-Nov-01 21:46 27-Nov-01 21:46  so sorry because i am a beginner to vc++ how do i actually code that in under myappview class? actually i need to code something in myappclass which require the combobox declared in the mainframe class for example if i do it in mainframe.c, will be int selector m_selector.GetCurSel(); but now i wish to do it in myappview.c, with the combobox declared in mainframe.h how can i code it as above? thanks for help Re: A simple problem for help Eugene Pustovoyt27-Nov-01 22:41 Eugene Pustovoyt 27-Nov-01 22:41  Try next... 1. Include to the ...View.cpp file next string #include "MainFrm.h" 2. When needed add next... CMainFrame * pFrame = (CMainFrame*)AfxGetMainWnd(); int selector = pFrame->m_selector.GetCurSel(); Note, than m_selector MUST be public variable. Best regards, Eugene Pustovoyt GetCurrentDirectory problem on Windows 98 27-Nov-01 20:56 27-Nov-01 20:56  Hello, I have an app which uses GetCurrentDirectory(). Works fine when I start it up by typing its name on the command line. BUT when I start up the app (being an OLE server) via DCOM (Invoke by another program the OLE client) it always returns "C:\" as the current directory unless it runs in "C:\Program Files\anotherDir\Dir2". I experience this problem particularly on Windows 98. Does anyone out there have the same experience? Is there an explanation for this behaviour? How to 'solve' this? Thanks in advance. Geert. Re: GetCurrentDirectory problem on Windows 98 Nish Nishant27-Nov-01 23:03 Nish Nishant 27-Nov-01 23:03  use GetModuleFileName instead Nish Sonork ID 100.9786 voidmain www.busterboy.org Nish is a BIG fan of Goran Ivanisevic Re: GetCurrentDirectory problem on Windows 98 27-Nov-01 23:21 27-Nov-01 23:21  Hi Nish, Thanks for answering. This indeed works. But you have to admit: it's a workaround. You have to strip the file name and the backslash to get the directory. I just want to know why the function GetCurrentDirectory() doesn't simply do what it is intended for: "retrieving the current directory for the current process" as MSDN states. Geert. Re: GetCurrentDirectory problem on Windows 98 Jon Hulatt27-Nov-01 23:25 Jon Hulatt 27-Nov-01 23:25  You're missing the point: GetCurrentDirectory() is indeed for "retrieving the current directory for the current process", and it works as such. Imagine a console program that calls GetCurrentDirectory, and displays the output to the console. Put this program in c:\myprojects\test\test.exe Then, from a command prompt, in c:\windows, type "c:\myprojects\test\test.exe" . The output will display c:\windows. Because the current directory is not the same as the directory that the executable resides in. Sorry to dissapoint you all with my lack of a witty or poignant signature. Re: GetCurrentDirectory problem on Windows 98 Nish Nishant27-Nov-01 23:33 Nish Nishant 27-Nov-01 23:33  GetCurrentDirectory is an often misunderstood API call. It can only return the current directory for the process as the OS reports it. I mean there is no point in GetCurrentDirectory returning the application exe directory if the current directory is different huh? Think about it this way. You run c:\abc.exe. Now GetCurrentDirectory should return c:\ if you have run it from c:\ Now imagine this :- somewhere you give a SetCurrentDirectory("d:\") Now from what you said, it would seem as if you still expect GetCurrentDirectory to return c:\ when it should actually return d:\ which is what it does. Nish Sonork ID 100.9786 voidmain www.busterboy.org Nish is a BIG fan of Goran Ivanisevic Re: GetCurrentDirectory problem on Windows 98 27-Nov-01 23:53 27-Nov-01 23:53  Hi guys, Thanks for clarifying this. I indeed confused 'current directory' with 'directory the app is in'. In fact for what I want I don't need GetCurrentDirectory(). Nish, you're right, I should use GetModuleFileName(). Thank you. Geert. ToolBar Alignment 27-Nov-01 20:54 27-Nov-01 20:54  Hello guys, I have two toolbar, but when they are created, they are place one under the other. I would align them on the same row. How can I do that?. Thank you. Giancarlo Re: ToolBar Alignment Nish Nishant27-Nov-01 23:00 Nish Nishant 27-Nov-01 23:00  Create a CReBar and add your toolbars to the rebar. By default they'll be on the same line. If you want them on separate lines you'll need to use RBBS_BREAK flag explicitly when adding the toolbars to the rebar Nish Sonork ID 100.9786 voidmain www.busterboy.org Nish is a BIG fan of Goran Ivanisevic Re: ToolBar Alignment Christian Graus27-Nov-01 23:35 Christian Graus 27-Nov-01 23:35  Have a look at my CGSToolbar class on CP - it shows you how to put them in a row without having to lose floatability ( rebars do not float ). Christian After all, there's nothing wrong with an elite as long as I'm allowed to be part of it!! - Mike Burston Oct 23, 2001 Sonork ID 100.10002:MeanManOzI live in Bob's HungOut now File Dialog Problem San27-Nov-01 20:11 San 27-Nov-01 20:11  Hi All... Pls Help me to resolve this problem... I want to Give Filter Command in a File Dialog... I could give one Line in that Combo Box..How can I Insert more that One line In that Combo Box Thanks in Advance

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