Compress Files In Program?
Jun 15, 2009
I'm making a presentation program. It's a bit like PowerPoint, but less complicated and for a different purpose.
All files used in the presentation (like images, texts and sounds) should be put into a single 'file-package'. This package should later be opened by my program, which should be able to use the files from the package. (Just like PowerPoint creates a single file with all images and sounds included, which can be loaded in PowerPoint on a different computer.)
Actual compression for the file is not really needed. It could be sort of like a tar-file.
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Feb 13, 2008
How do i make a program that can compress files, just like programs like winrar do? Every time i try via something as simple as text editor changing something, then changing it back, then it wont work anymore. Any suggestions on how i can make one of these kinds of compression programs?
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Oct 6, 2010
VB.NET 2003 or 2005 application program.i was trying to create an application program to compress some files using 7zip. when application program runs, need to browse and select the files need to be compressed and mention the name of the zip file and compress the file in that folder.i google for some help. i'm getting examples only in C#.Anyone know whether i can do this in VB.NET?
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Oct 6, 2010
VB.NET 2003 or 2005 application program. i was trying to create an application program to compress some files using 7zip. when application program runs, need to browse and select the files need to be compressed and mention the name of the zip file and compress the file in that folder. i'm getting examples only in C#.
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Nov 21, 2010
I want to have a backup feature which takes about 7 txt files and compresses/packs them into one file. Then if required at a later stage I can unpack all 7 files from the packed file. I do not need any compression as such just to make one file from 7, then 7 from from that one, if you understand what I mean. I have read there are some native libraries in .NET Framework 2.0 called DeflateStream and GZipStream. Can these be used?
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Sep 11, 2008
I'd like to use WinRAR's dll file to compress files in vb.net.Is there any way this can be done? The only one I found was using the unrar.dll to uncompress files. Also, I'd like to know how to implement WinZIP's dlls to compress files as the zipfldr.dll does not achieve very high levels of compression and encryption.
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Jul 28, 2011
I'm just wondering if it is possible to create an vb.net application to compress files, without using a 3rd party app. If yes, can you please point me in the right direction, give me some tips, tutorials or sample code?
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Nov 22, 2010
How to compress large mp3 files :
I want if i have a 5 mb files then it can be converted to 1mb or low ...so that the high beats and music would be very low.
i want the coding for that in vb or vb.net ?
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Jun 10, 2009
I have VB project and I tried to use PUBLISH feature.It seems to create nicely some kind of setup program, but the setup program does not ask where to copy files (it does not seem to copy filesto target machine "PROGRAM FILES".)Is this setup program somehow different from usual installers?
NOTE: I want that app files are installed to Hard disk( from USB stick source)Is the signing recommended or necessary? My App is pretty simple, its just using access DB + printer api, should I still sign?
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Dec 26, 2009
I am trying to retrieve file details from files in the Program Files folder. I receive an error while trying to retrieve file details.
Dim sFileName As String = ("%ProgramFiles%Windows DefenderMSASCui.exe")
Dim Info As FileVersionInfo
Info = FileVersionInfo.GetVersionInfo(sFileName)
Msgbox(Info.ProductName.ToString())
I receive file not found error at 3rd line. But if I change the path from "%ProgramFiles%Windows DefenderMSASCui.exe" to "c:Program FilesWindows DefenderMSASCui.exe" it works fine.
What should I do if I want to retrieve file details from the path which includes a "%" character?
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Jul 30, 2009
Having a slight permission problem with Win 7 I am guessing it will be the same on Vista but work fine on XP (yet to try)But my program is sitting in: C:Program FilesCompanyProgram And its trying to create new files alongside itself in the Program Files area but bombing out which I know is permissions. If I go there to create the file myself it comes up with a UAC prompt and when I hit allow it works fine but obv the program can't do that byiteslf so bombs out.Is there anyway I can over come that without the user having to grant admin rights to the program each time it starts or do I have to write data to another place?
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Dec 11, 2011
I wrote a program to download and play AVI files the files are large in size and long time wise. I have the files playing as they are being downloaded but i can't see how long the file is or seek reliably. i was reading that the AVI headers are in the last 512kb of the AVI file *why would't they put it at the start* lol so my question is is there a way to download the last 512Kb of the file i'm downloading. i have the Bytes Read and Length of the file while its downlaoding i'm just not sure where to go from there, or how to do it atleast. If i had the length in time of the Avi file i could set the trackbar to be able to seek properly. or if someone has an idea how i could get the time of the video by using fps and some math i could prob do it that way too but idk how i would tell how i can find how many kb are in the fps i'm sure it changes so think that way is't going to be reliable. how to get the last 512kb would be the best option not sure if it can be done even.
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Jan 8, 2010
In class i saved my program in with load of other test programs for the same assignment and got everything mixed up i finally figured out what was what and loaded the program in Visual Basic. Now my program doesn't recognize one of my forms when i try to access the design view of it. I hit run for the hell of it and the program runs with errors of course but the form1 "the missing one" shows up with all the buttons etc and i can use it.
Heres the link to the files. [URL]
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Sep 20, 2010
I have a program where a lot of the required information for it is stored in text files. I simply read this information into large arrays. However, I don't think it's necessary to load all the information each time. Rather, it would be more efficient if I could simply search through a list of items to find the one I need and then use the data from it, or to find a similar name and use it elsewhere.
Would I be right in using a database? And is database programming done in SQL? I have a book on it telling me to use the SQL Server (IIRC), so I shouldn't be doing it in the VB.NET Express GUI?
Here's an example of what I would do:
Hex = 03 00 => dex number 003
Search in file Pokemon Dex Numbers
003 returns Bulbasaur
Check Bulbasaur base stats in the base stats file
etc
So basically I'm reusing a lot of information. I think a database would be best and it would all be internal right? I'm getting complaints about access denied to a text file (since it's stored in the program directory in the program files).
So to cap up the few questions I have:
-Databases are done in SQL and not inside the GUI?
-Databases would load internally?
-I could search a database without having to load it into like an array or something?
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Dec 7, 2009
How can i compress an image using vb.net?
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Jul 21, 2009
How to compress an image? because i am capturing a screenshot. but my problem is sometimes the image size is too large. how can I compress the image?
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Feb 15, 2012
When i'm working on my project,many times it show the message something like this "...out of memory" so can any one help me what should i do?
Should I compress my project and make it smaller in size?
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May 23, 2010
How do I compress/decompress a string in VB.NET ?I am trying to send long string through the Network and need them to be as small as possible before sending.
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Sep 15, 2011
I have tried to compress a directory in one file. Any idea how? I have been able to compress individual files, but no clue how to do it in one file
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Dec 29, 2009
I need a simple code to compress a folder to *.zip file silently without modules or adding project .... etc.
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Feb 26, 2009
How would I compress a folder from a text box becasue what I have at the moment is just returning a value of true
Dim compres As IO.Compression.CompressionMode
TextBox1.Text = IO.Compression.CompressionMode.Compress = IO.Compression.CompressionMode.Compress = 1
And I don't understand how to use the compression.
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Jun 10, 2010
what is the fastest way to serialize and compress a class?
what are the consideration to be made when a long list of objects(classes) have to be serialized and compressed one after the other?
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Feb 14, 2011
how do you compress audio file wmv with net libraries to wma MP3?
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Aug 5, 2009
How can i encrypt or decrypt only a part of a file? I try, and i keep getting an error message that says that the stream might be corrupt. By the way, it is ok to convert the text to a byte array using the system.text.encoding.ascii.getbytes() right? The reason i want to encrypt/compress only a part of a file is because i don't want to encrypt or compress the file header. That way the program can gather info about whether the file is compressed or encrypted.
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Jul 31, 2011
I have a program I made in vb.net express 2008 that used java.utils.zip to compress my work files to a Zip archive that I ran occassionaly to have a backup. I worked fine, but with net framework 4 and vb.net 2010 it doesn't work. So I modified it to use sharpziplib and it works fine if all files on the filter list in the folder are closed, but if I have a file open in OpenOffice writer, my program can't access it and won't create the zip file. The file that usually stays open all the time is my TODO list, that is updated several times a day , so usually gets printed, and updated( adding or deleting entries), without closing it.
[Code]...
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Feb 22, 2012
i just want to compress and send my project by email. but gmail wont let me because some file types are .exe i change it to .txt but i'm still having trouble. its a vb.net form app project.
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Feb 26, 2010
Can you compress data being sent from client to server and etc? If so how would i do this?
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Feb 27, 2010
this is my first Question :) I need a lib or way to compress a data in asp.net (vb) with the algorit deflate but the result inflate in javascript. I'm use a lib in javascript: deflate.js [URL] First i'm deflate and convert to base64 the result but the result is no compatible with the javascript lib. i'm use the Chilkat .NET DLL [URL] The String result with this lib is compatible with the javascript libray but is not free. need a way to compress data in asp.net and uncompress in javascript. This is for my web aplication need to download many many data.
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Apr 21, 2009
How to compress a folder in vb.ne appl to ZIP format?
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May 2, 2011
how to compress folder and its subfolder using winrar i found a lot of example using gzip but not through winrar a programe that compress file using winrar and display progress report as well as
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