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a little more about the sorting,
i only show the items that contain the text form the textbox,
maybe sorting istn the right word :p
more like a search
and thx
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Hi,
Does any body has any idea about how to launch an invisible exe. By invisible I mean the one which is not shown in task manager or any diagnostic program.
Thanks in advance,
Regards.
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Hiding from the taskbar is easy. Hiding from 'any diagnostic program' is probably not possible.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
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only hiding from task list will also work... any idea in that regard ???
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<br />
mainForm.ShowInTaskbar = false;<br />
That line will hide your application from the task bar.
There is no reason to hide it from the task manager. 
____________________________________
There is no proof for this sentence.
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I'd love to know a legitimate reason for why you would want to do this!
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If you want to do some miscellaneous task than the only posibility is that you give the name of exe which would similar in name with system .exe
Also you can try one thing ,try to find out how to create a system process which cant be deleted by any user ,which will help you....
Enjoyy!!!
<marquee>nishu
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Rootkits do that by overwriting DLL links to change the behaviour Windows system libraries which are being used by diagnostic programs.
Would you please tell us for what honest, legal, useful reason you need rootkit functionality in your application?
____________________________________
There is no proof for this sentence.
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Well the reason is simple the exe is a locking program that locks some confidential files from user like data store files on which the whole application depends, now if the exe or the process is terminated, it will unlock the files enabling any body to alter the state of those files...
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That what rights management is there for. Restrict the file access rights to "read only" for all users and there'll be no problems with altered files.
____________________________________
There is no proof for this sentence.
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Its not that simple... any ways... thanks for your suggessions... just found the way...
Regards.
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This is a bad way to protect data, for many reasons:
:: A program that is running all the time adds to the base resource load of the computer.
:: Actively protecting the data is not very secure. A passive protection is much easier to maintain, as it needs no maintainence at all.
:: Hiding an executable requires low level intrusions into the operating system. When it has been used before it has been compared to viruses and trojans.
The best place to hide anything is in plain view. The more you try to hide the data, the more interresting it gets, and it's not really hard to circumvent your protection measures. Just leave the files in the open and use a strong encryption to protect the contents of the files.
---
b { font-weight: normal; }
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Do you really believe that he needs the hidden exe for data protection?
Even if encryption was not enough, he could run his locker-something as a service under local system authority to protect it from "evil users".
____________________________________
There is no proof for this sentence.
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What if the user deletes or corrupts the files... you see you are partailly right... encryption is there in my case as well... but there are other test cases that are to be handled... there are certain levels of security to cope with.
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Waqas Nasir wrote: What if the user deletes
The application that needs the files will not run anymore, so the user will soon undelete the files.
Waqas Nasir wrote: or corrupts the files
Same as above, the application will refuse to run until the files are repaired.
As they are encrypted, the user cannot replace the content with anything that makes sense. Whatever he may write into the files has to be garbage for your application. So you show a message box "currupt installation, please re-install" and the stupid user will learn very quickly not to touch the files.
BTW, why do you expect your users to try everything to destroy an application they are using?
____________________________________
There is no proof for this sentence.
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Waqas Nasir wrote: there are certain levels of security to cope with
Such as?
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Where I work, we use something very similar. but, the data is stored on a DVD and can't be modified. The "tool" you're talking about sits in the system tray. If it goes away for any reason, access to the encrypted data is cutoff.
You're best solution is to put the data on a seperate machine that users have no access to. Your application would talk to this data machine through either web services or custom remoting implementation, in either case, over encrypted communications channels. You also get the benefit of being able to log all accesses to the data too.
The best protection for data is to remove physical access to it...
Dave Kreskowiak
Microsoft MVP - Visual Basic
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Waqas Nasir wrote: What if the user deletes or corrupts the files...
What if the user turns off the power? How are you going to stop that?
You can't effectively protect the files from tampering using an active protection. It's easy to just hook up the hard drive as a slave drive on a different computer, then there is no program to protect the files any more.
You can use a CRC or MD5 checksum to protect the data in the files from tampering. If the checksum fails just don't use the data.
---
b { font-weight: normal; }
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Planning to make VIRUS ?  ))
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Hello
I added axMediaPlayer control to my project programmatically.
but because of programmatically adding this control i can't access it's "MouseLeave" event, but i can see MouseMove event.
I want this :
<br />
axMediaPlayer.MouseLeave += ...<br />
What should i do ?
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If it's not offered, then it's not offered. You could run a timer in your main window and check Cursor.Position to see if it's over the WMP control or not.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
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hi,
i would suggest you not to use a timer. Use the MouseMove event instead an add something like
<br />
if (<br />
(MouseCursor.X < MediaPlayerControl.Location.X || <br />
MouseCursor.X > MediaPlayerControl.Location.X + MediaPlayerControl.Width) ||<br />
(MouseCursor.Y < MediaPlayerControl.Location.Y ||<br />
MouseCursor.Y > MediaPlayerControl.Location.Y + MediaPlayerControl.Height)<br />
)<br />
{<br />
}<br />
"MouseCursor" has to contain the Position of the MouseCursor of course
Good luck,
mik
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Catch mousemove where ? In the control, or in the surrounding window ? What if the mouse is moved off the control so fast that no mouse move event is fired for the parent window ?
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
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ah okay you are right. i did not know that events are not fired under particular circumstances. in this case you would have to use a timer as suggested!
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Hi guys,
This is the method I’ve been trying to use
[DllImport("msi.dll", CharSet=CharSet.Unicode)]
static extern Int32 MsiGetProductInfo(string product, string property, [out] StringBuilder valueBuf, ref Int32 len);
And below is the error I get.
The runtime has encountered a fatal error. The address of the error was at 0x79ef067e, on thread 0xa8c. The error code is 0xc0000005. This error may be a bug in the CLR or in the unsafe or non-verifiable portions of user code. Common sources of this bug include user marshaling errors for COM-interop or PInvoke, which may corrupt the stack.
I’m trying to find out why I’m getting this error. Does anyone have any idea?
Kulile --- RSA
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