how to traverse/delete files from a perticular directory - C / C++ / MFC Discussion Boards

need projects in VC++

premium122-Jul-06 21:28

premium1

22-Jul-06 21:28

i need some projects in VC,related to sound processing

http://www.engineeringproject.net

Re: need projects in VC++

Hamid_RT23-Jul-06 3:00

Hamid_RT

23-Jul-06 3:00

You can search in codeproject and find your answer what do you need?

whitesky

Re: need projects in VC++

premium123-Jul-06 5:42

premium1

23-Jul-06 5:42

no have searched.
i need algorithm for pcm mixing

http://www.engineeringproject.net

Newbie's WinAPI question

q8q8q122-Jul-06 20:41

q8q8q1

22-Jul-06 20:41

Hi, I am a newbie to WinAPI. I have 2 projects in one workspace: 1 has a window handle, is there a way of accessing this window handle in the second project?

Re: Newbie's WinAPI question

A_Fa22-Jul-06 21:26

A_Fa

22-Jul-06 21:26

FindWindow can be useful

Re: Newbie's WinAPI question

q8q8q123-Jul-06 8:58

q8q8q1

23-Jul-06 8:58

Thanks, it works!

Re: Newbie's WinAPI question

ThatsAlok23-Jul-06 21:24

ThatsAlok

23-Jul-06 21:24

quziguang wrote:

Thanks, it works!

EnumWindow!

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV
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how to traverse/delete files from a perticular directory

Raj Prathap22-Jul-06 19:17

Raj Prathap

22-Jul-06 19:17

dear all,
Please help me how to delete all files or how to get the file names of all files in a directory.
I know a method in UNIX. But I need to do in Windows environment. I'm using VC++ 6.0.
Same as in UNIX, can I use (DIR structure) or different method should be followed?

Thanks in advance.
Raja Pratap.

Re: how to traverse/delete files from a perticular directory

Michael Dunn22-Jul-06 20:11

Michael Dunn

22-Jul-06 20:11

Look up FindFirstFile() and FindNextFile()

--Mike--
Visual C++ MVP Cool | :cool:

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Re: how to traverse/delete files from a perticular directory

Raj Prathap22-Jul-06 20:17

Raj Prathap

22-Jul-06 20:17

thank you Mr. Mike.

Re: how to traverse/delete files from a perticular directory

Anonymuos22-Jul-06 22:00

Anonymuos

22-Jul-06 22:00

Raj Prathap wrote:
how to delete all files or how to get the file names of all files in a directory.

Reuse code from CodeProject? Smile | :)

CDiskObject: Simplifying common disk operations[^]

Re: how to traverse/delete files from a perticular directory

Hamid_RT23-Jul-06 2:59

Hamid_RT

23-Jul-06 2:59

You can use FindFirstFile /FindNextFile in the loop and you can use form DeleteFile

whitesky

How to create a CScrollView window from my own class

abednego0022-Jul-06 16:44

abednego00

22-Jul-06 16:44

I am trying to make my own class that, when called/instantiated from a program, will create its own window that has the CScrollView properties. I do not need menus, toolbars, or anything fancy... I just need it create a window on which to draw on that is a certain size (pixel x pixel), to be able to draw simple vectors, and have the ability to scroll if the drawing gets bigger than the window.

Basically, if I call the class and set the size of the window to be 400x400 pixels big, it creates a CScrollView window to that size, and gets ready to draw vectors using the MoveTo and LineTo functions in the OnDraw class.

Online searching on MSDN and this forum, as well as many books from the bookstore have not been able to get me a working program...

Any help would be much appreciated, and I thank you all in advance for any aid provided!

Thanks,
dan

Re: How to create a CScrollView window from my own class

Hamid_RT27-Jul-06 7:44

Hamid_RT

27-Jul-06 7:44

Do you want to create your ScrollView?

WhiteSky

Terminating Process Error "Access Denied"

ku1983200122-Jul-06 11:26

ku19832001

22-Jul-06 11:26

Hi all

i have a code where i am starting the process from a windows service that i created. Now i want to terminate that process using some other application(MFC stand alone) application. But when ever i try to do that,it gives error 5 which documentation says is "Error Access Denied"......here r the codes that i m using for creating and stopping the process

1)Creating a process

success = ::CreateProcess(temp,cmdstr,0,0,FALSE,CREATE_NEW_CONSOLE,0,0,&startupinfo,&procinfo);

where temp and cmdstr are application path and command line argument that i pass

2) terminating process

HANDLE hn = ::OpenProcess(PROCESS_ALL_ACCESS,false,id);

if(hn != NULL)

{

::TerminateProcess(hn,0);

}

now here OpenProcess API fails and gives error........id is the process id of the process i started using a service......please suggest me a way out of this.

thanks

kunal s patel

Re: Terminating Process Error "Access Denied"

dnuts6922-Jul-06 21:42

dnuts69

22-Jul-06 21:42

The MSDN documentation here suggests that if you are trying to do OpenProcess with all access, you need to enable SeDebugPrivilege privilege. This is because all PROCESS_ALL_ACCESS includes access like reading/writing the target process' address space which is a privilege normally reserved for debuggers.

If all you are doing is terminating the process, you should specify the minimum amount of access required to do that.

FTS Technology Solutions

Re: Terminating Process Error "Access Denied"

ku1983200123-Jul-06 13:09

ku19832001

23-Jul-06 13:09

Considering wat u said i changed the PROCESS_ALL_ACCESS to PROCESS_TERMINATE and tried it but again it failed so now i guess only option left is setting SeDebugPrivilege....now i really dont have a clue how to do it....please suggest me a way out of it

displaying bitmap in CView

Tara1422-Jul-06 10:35

Tara14

22-Jul-06 10:35

Hi,

I have created a SDI application in vc++6, mfc. I have to place a bitmap in the CView. Please can to tell me how to do this?

Thanks,
Tara

Fortitudine Vincimus!

Re: displaying bitmap in CView

Trollslayer22-Jul-06 11:21

Trollslayer

22-Jul-06 11:21

Use BitBlt in the OnPaint method.

The tigress is here Big Grin | :-D

Re: displaying bitmap in CView

peterchen22-Jul-06 21:53

peterchen

22-Jul-06 21:53

You can use one of the image controls provided on this site.
Create them as child window of the view. In the views OnSize, resize the child also.
To avoid flicker, override WM_ERASEBKND and do nothing, returning true.

I've written an article trying to detail everythign yu have to take care of when showing a buitmap (plus a few features) here: WndImage Control[^]

But there are controls with more features available on this site.

Some of us walk the memory lane, others plummet into a rabbit hole

Tree<t> in C# || Fold With Us! || sighist

Re: displaying bitmap in CView

Tara1422-Jul-06 21:58

Tara14

22-Jul-06 21:58

Thanks.

Actually I have a crazy client who likes the splash screen a lot. He wants the splash screen to remain on the screen. I thought the best way to do this would be to draw it in the CView. Is it correct?

Fortitudine Vincimus!

Re: displaying bitmap in CView

Hamid_RT23-Jul-06 2:58

Hamid_RT

23-Jul-06 2:58

you can use BitBlt or StretchBlt or Graphics::DrawImage in
WM_PAINT or WM_ERASEBKGND also you can use form a control and set your image to this control

whitesky

Re: displaying bitmap in CView

Tara1423-Jul-06 7:26

Tara14

23-Jul-06 7:26

Thanks.

I have done it. I uses BitBlt in WM_PAINT. Its come out good.

Fortitudine Vincimus!

Design Pattern question

tilemann22-Jul-06 10:10

tilemann

22-Jul-06 10:10

Can anyone suggest a good design pattern for designing an invoicing program, such as a very stripped down version of Qbooks. Please excuse me if I posted in the wrong forum, but my project is C++

Re: Design Pattern question

Jörgen Sigvardsson22-Jul-06 13:13

Jörgen Sigvardsson

22-Jul-06 13:13

For the invoices, what you usually need to do is split it into two parts: the invoice head, and associated rows. The invoice head typically contains information about the invoice as a whole such as invoice number, references, possibly order number references, billing and shipping adresses, invoice status, etc. The rows contain information about the invoiced products and services, but also meta-information such as free text, etc. Since the order of how information is presented on an invoice may be important (most usually is, as some rows such as rebates, etc, depend on other rows), it is easiest to incorporate this ordering into the underlying datastructure. It's easily solved using by tagging each row with a unique row number, identifying the row's position from the top of the printed invoice. This usually maps very well to a database design, thus making it easier to persist/unpersist the invoice from/to database with minimal effort in terms of lines of code.

As for all the other stuff that comes with an invoicing program, this forum is too small to even scratch the surface. It very much depends on how much functionality you want in your program. What search functionality do you want to offer? You might also want to add a customer register, as well as product register. With that comes other posibilities such as "how much does customer X pay for product Y?" - price list management. And of course, you'll most likely want to extract information from the application - mail printouts, PDFs for email, etc. Do you want to be able to interface the app to a book keeping system? The list goes on and on.

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