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A+ VB.NET Zip Library
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Email
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| Submitted on: |
9/9/2004 2:03:30 AM |
| By: |
Matthew Hood
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| Level: |
Intermediate |
| User Rating: |
By 7 Users |
| Compatibility: |
C#, VB.NET, ASP.NET |
| Views: |
29783 |
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This is a Zip File compression class created in VB.NET (using the J# library). It is able to open and create Zip files, and provides the basic Adding/Extracting/Removing of entries. This was designed to be a simple class that can be imported to any project to provide limited Zipping functionality without the need to reference & distribute 3rd party dll's.
I've commented on almost all the code, but haven't had the change to make a demo app. Other than that, it's a pretty decent piece of work that I've used in almost all my apps.
Please vote if you find this class usefull.
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- You may use
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Your Vote
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Other User Comments
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 9/22/2004 7:49:54 PM:
Can you please give a small sample of how your code works.
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9/22/2004 7:57:08 PM:
Dim fZip As New DWDZip.DWDZipFile
fZip.FilePath = "c:\Test.Zip"
fZip.Open(True)
fZip.Entries.AddFile(FileName)
fZip.Update()
fZip.Close()
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10/11/2004 2:46:24 PM:
Pretty good, but the date/time of the files are not stored in the zip file.
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10/16/2004 11:05:41 PM:
I put this class into an existing solution but have errors on these lines....For Each Entry As ZipEntry In New EnumerationAdapter(FromFile.entries)
My solution is a vb.net solution, is there something else I need to do?
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10/21/2004 9:05:22 AM:
The method 'AddDirectory' does't work correctly. For example:
Dim sDestinDir As String = "C:\datadir"
Try
fZip.Open(True)
fZip.Entries.AddDirectory(sDestinDir,True) fZip.Update()
fZip.Close()
Catch ex As Exception
MsgBox("FILE ZIP CREATION FAILED: " & sDestinDir & " [ERRMSG:" & ex.Message & "]")
End Try
create an exception message: "FILE ZIP CREATION FAILED: C:\datadir [ERRMSG:C:\datadir]"
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6/3/2005 9:16:10 PM:
Sorry I reported someone as offending feed back by mistake! I think it was the guy talking bout how a directory function wasnt workin... Any how, I was gonna say this to the auther! Please Mention that your class requires the JAVA SDK!!! as in Imports java.util.zip which is the third line! So without a JAVA sdk it is useless? Or did I misunderstand? anyhow .NET does not seem to know where to import it from!! Unless I guess you have JAVA sdk clarify some things please
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6/3/2005 9:26:45 PM:
I think all I need is to reference vjslib.dll hope to find it in .NET components list as I try to add it
_______________________________________
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6/4/2005 1:02:21 PM: Matthew Hood
This class requires the MS J# Runtime to be installed which has the vjslib.dll. Since my app installs check for this runtime and install it if necessary, it is always available.
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6/27/2005 7:54:48 PM:
The method 'AddDirectory' does't work
correctly, I need it, so could you help me? send me the code thx
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10/20/2005 11:54:53 AM: Jon
While using your sample code of 9/22/2004 I get this error: 'java.util.zip.ZipException'in vjslib.dll.
Does anyone know how to solve it?. Thank you.
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10/21/2005 10:15:54 AM: Matthew Hood
Have a look at this article from Microsoft.
http://msdn.microsoft.com/vbrun/vbfusion/smallandunreadable2/default.a spx
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6/13/2006 8:50:23 AM: zeno
give some c# codings
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7/13/2006 9:34:10 AM: Ben
im trying to use your code in vb, could you pls vb example? eg unzip. thx
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11/22/2007 8:19:22 PM: Benoit Robin
user geting error (Reference error) you just need to add a reference to the vjslib.dll, the path look like this : C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\vjslib.dll
this will not be the same for all user(only the framewotk version will change) hope this will help you
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12/5/2007 1:51:35 AM: Ivan
When I run this code
Dim fZip As New DWDZip.DWDZipFile
fZip.FilePath = "c:\temp\Test.Zip" fZip.Open(True)
I get the following error trying to Open
System.Security.SecurityException {"Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed."} System.Security.SecurityException
please help
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10/12/2010 3:04:02 AM: Manage
to install Java Lib on Client, use following link to "Microsoft Visual J# Version 2.0 Redistributable Package"
http://www.microsoft.com/downloads/details.aspx?familyid=f72c74b3-ed0e-4af8-
ae63 -2f0e42501be1&displaylang=de
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