C / C++ / MFC

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Re: Windows styles Tim Smith31-Mar-02 2:24 Tim Smith 31-Mar-02 2:24  if ((GetWindowLong(hWnd, GWL_EXSTYLE) & WS_EX_LAYERED) != 0) ... Tim Smith I know what you're thinking punk, you're thinking did he spell check this document? Well, to tell you the truth I kinda forgot myself in all this excitement. But being this here's CodeProject, the most powerful forums in the world and would blow your head clean off, you've got to ask yourself one question, Do I feel lucky? Well do ya punk? Any api to encrypt the text?? 30-Mar-02 23:17 30-Mar-02 23:17  Hi, I want to encrypt the password & store it in registry.Also i should be able to decrypt the string. How can i do that? Re: Any api to encrypt the text?? SeNs31-Mar-02 4:32 SeNs 31-Mar-02 4:32  There are a few libraries available on the net that contain ready made encryption functions.. One of the more popular ones is called cryptpak or something similar, and contains quite a few popular encryption algorithms like DES, Blowfish etc. Or you could write your own encryption functions - try searching for encryption algorithms on google and you should find a few sites that explain the basics of how to write code to encrypt data. Re: Any api to encrypt the text?? Neville Franks31-Mar-02 10:03 Neville Franks 31-Mar-02 10:03  There are several Crypto articles here on CP. Also Windows includes Crypto functions. And finally look at Crypto++ http://www.eskimo.com/~weidai/cryptlib.html Neville Franks, Author of ED for Windows. www.getsoft.com Re: Any api to encrypt the text?? alex.barylski31-Mar-02 21:54 alex.barylski 31-Mar-02 21:54  Neville Franks wrote: There are several Crypto articles here on CP There is...? I've only seen the one implementation on CBlowFish...perhaps you could direct me to another...? Thanx! "An expert is someone who has made all the mistakes in his or her field" - Niels Bohr Re: Any api to encrypt the text?? Neville Franks31-Mar-02 23:15 Neville Franks 31-Mar-02 23:15  HockeyDude wrote: There is...? Do an Article search on Crypt. Also look at codeguru. Here's a few: http://www.codeproject.com/file/filecrypt32.asp http://www.codeproject.com/file/logit.asp BTW Crypto++ rocks. Can't comment on these articles though as I've not read them. Neville Franks, Author of ED for Windows. www.getsoft.com Re: Any api to encrypt the text?? alex.barylski31-Mar-02 23:21 alex.barylski 31-Mar-02 23:21  Cool thanx...i'll check em out! "An expert is someone who has made all the mistakes in his or her field" - Niels Bohr Re: Any api to encrypt the text?? James R. Twine1-Apr-02 6:17 James R. Twine 1-Apr-02 6:17  Anonymous wrote: I want to encrypt the password & store it in registry.Also i should be able to decrypt the string. How can i do that?    For a different approach, consider this...  I never use encryption for things like Passwords in applications: instead, I use a one-way hash (like MD5) and store the hash instead.    So basically, when the user sets a password, you take the password, calculate a hash from it, and store the calcualted hash value in the registry/database/wherever/whatever.    Later on, when you need to verify a password, you take the entered password, calculate a hash from it, and then compare it aganist the previously stored hash value.    BYW: This method also allows you to use passwords of any length, because the hash value (in the case of MD5) is always the same length.    Peace! -=- James. FormView and Printing Mazdak30-Mar-02 21:40 Mazdak 30-Mar-02 21:40  I have Formview so it does not support printing,I want when user click on one of menu print preview open and user print it.How can I do that? I know how to write in print preview but donna know how to open it. Mazy "So,so you think you can tell, Heaven from Hell, Blue skies from pain,... How I wish,how I wish you were here." Wish You Were Here-Pink Floyd-1975 How do I display system date and time?? girishc30-Mar-02 20:54 girishc 30-Mar-02 20:54  I am looking for a way to display system date and time in my Win32 application?? any suggestions. Re: How do I display system date and time?? Nish Nishant30-Mar-02 21:13 Nish Nishant 30-Mar-02 21:13  You can use GetSystemTime and/or GetLocalTime Nish Has anyone seen my sig? Re: How do I display system date and time?? Jack Handy30-Mar-02 21:46 Jack Handy 30-Mar-02 21:46  Also if you happen to be using MFC you could use CTime. -Jack To an optimist the glass is half full. To a pessimist the glass is half empty. To a programmer the glass is twice as big as it needs to be. Re: How do I display system date and time?? girishc31-Mar-02 5:30 girishc 31-Mar-02 5:30  Thx for the response. Now, if I have to keep displaying accurate time, I will have to invoke a thread to repeatedly update it, right?? Please tell me if I am thinking on the right lines Re: How do I display system date and time?? Nish Nishant31-Mar-02 5:48 Nish Nishant 31-Mar-02 5:48  girishc wrote: Now, if I have to keep displaying accurate time, I will have to invoke a thread to repeatedly update it, right?? Yes, that's what you'll need to do. Need not have a separate thread. Just start a timer. Nish Has anyone seen my sig? Re: How do I display system date and time?? Ravi Bhavnani31-Mar-02 5:56 Ravi Bhavnani 31-Mar-02 5:56  When updating the displayed time, be sure to update the displayed string only if it's (the string) different. Otherwise you'll see unnecessary flicker. If you're using a timer (as Nish suggested), set the interval to slightly less than one second. /ravi "There is always one more bug..." http://www.ravib.com ravib@ravib.com Re: How do I display system date and time?? girishc31-Mar-02 6:07 girishc 31-Mar-02 6:07  Wont setting the timer to less than a sec. hog up CPU and my program might not be able to do anything else?? or is it ok?? Re: How do I display system date and time?? Ravi Bhavnani31-Mar-02 6:21 Ravi Bhavnani 31-Mar-02 6:21  No it won't hog up the CPU. WM_TIMER are among the lowest priority messages and are automatically compacted by Windows. That is, if you receive 4 WM_TIMER messages for the same timer, Windows will automatically compress them into a single message. Try it, you'll see! /ravi "There is always one more bug..." http://www.ravib.com ravib@ravib.com Printing Mazdak30-Mar-02 19:43 Mazdak 30-Mar-02 19:43  I wanna print some text.I have formview so I don't wanna use OnDraw().In my OnPrint(),I don't know how can I check if it reaches to the end of page ,and how to set the next page true. Mazy "So,so you think you can tell, Heaven from Hell, Blue skies from pain,... How I wish,how I wish you were here." Wish You Were Here-Pink Floyd-1975 Re: Printing Mazdak30-Mar-02 20:32 Mazdak 30-Mar-02 20:32  I think I find it.m_rectDraw and m_bContinuePrinting are the things I need,I guess. Mazy "So,so you think you can tell, Heaven from Hell, Blue skies from pain,... How I wish,how I wish you were here." Wish You Were Here-Pink Floyd-1975 system() vs. CreateProcess 30-Mar-02 18:28 30-Mar-02 18:28  Hello. I have a cmd line process that returns a value via the command interpreter (using sytem()). How do I get the same result value using Createprocess()? Re: system() vs. CreateProcess sultan_of_6string30-Mar-02 18:54 sultan_of_6string 30-Mar-02 18:54  If I follow you correctly, you're creating a process and want to get it's exit code, right? HANDLE hProcess = CreateProcess(...); WaitForSingleObject(hProcess, INFINITE); // Make sure it's done DWORD dwExitCode; GetExitCodeProcess(hProcess, &dwExitCode); If the process is still active, dwExitCode == STILL_ACTIVE. Hope this helps. Re: system() vs. CreateProcess Nish Nishant30-Mar-02 19:08 Nish Nishant 30-Mar-02 19:08  sultan_of_6string wrote: WaitForSingleObject(hProcess, INFINITE); // Make sure it's done sultan_of_6string wrote: If the process is still active, dwExitCode == STILL_ACTIVE. It wont be active as you are waiting INFINITEly Nish Has anyone seen my sig? Re: system() vs. CreateProcess sultan_of_6string30-Mar-02 20:15 sultan_of_6string 30-Mar-02 20:15  I know. Just telling you. Re: system() vs. CreateProcess Nish Nishant30-Mar-02 21:16 Nish Nishant 30-Mar-02 21:16  sultan_of_6string wrote: I know. Just telling you. Ok, thanks! Nish Has anyone seen my sig? Re: system() vs. CreateProcess Don Burton31-Mar-02 7:38 Don Burton 31-Mar-02 7:38  Thanks. Just what I needed.

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