unzipping a file

[Wargod18]

I want to unzip a file but from what i found out the .net framework cant do this and I have to use 3rd party software which I'm fine with I downloaded sharpziblib but I can't figure out how to install it and how it could be used on computers that don't have it installed.

[makdu]

use this code to unzip the file

 If Uncompress(zipfile, rootdir) = True Then
        msgbox("ZIP File Extracted Successfully")
                  
            End If

  Public Function Uncompress(ByVal strZipFileName As String, ByVal strLocation As String) As Boolean
        Try

            Dim dir, newpath As String
            Dim oFileInputStream As New java.io.FileInputStream(strZipFileName)
            Dim oZipInputStream As New java.util.zip.ZipInputStream(oFileInputStream)
            Dim bTrue As Boolean = True
            Dim sbBuf(1024) As SByte

            While 1 = 1
                Dim oZipEntry As ZipEntry = oZipInputStream.getNextEntry()

                If oZipEntry Is Nothing Then Exit While

                If oZipEntry.isDirectory Then
                    If Not My.Computer.FileSystem.DirectoryExists(strLocation & oZipEntry.getName) Then
                        My.Computer.FileSystem.CreateDirectory(strLocation & oZipEntry.getName)
                    End If
                Else

                    dir = System.IO.Path.GetDirectoryName(oZipEntry.getName())
                    newpath = strLocation & "\" & dir

                    If Directory.Exists(newpath) = False Then
                        System.IO.Directory.CreateDirectory(newpath)
                    End If

                    Dim oFileOutputStream As New java.io.FileOutputStream(strLocation.Replace("\", "/") & oZipEntry.getName())

                    While 1 = 1
                        Dim iLen As Integer = oZipInputStream.read(sbBuf)
                        If iLen < 0 Then Exit While
                        oFileOutputStream.write(sbBuf, 0, iLen)
                    End While
                    oFileOutputStream.close()
                End If
            End While
            oZipInputStream.close()
            oFileInputStream.close()

            Return True

        Catch ex As Exception

      
            Throw New Exception(ex.Message)

            Return False
        End Try

    End Function

[Wargod18]

VS.net 2008 doesn't like the Java parts and there is nothing i can import that works.

[jmcilhinney]

#ZipLib is just an assembly, i.e. .NET DLL, so you simply reference it from your project. If you follow the CodeBank link in my signature you can check out my code example. It was written for .NET 1.x but the code should still be valid.

[Wargod18]

i see you imported it but i tried that and it doesn't work. what folder does it go in so I can import it. even your code example doesn't like it.

[formlesstree4]

I found a zip handling DLL that does handle zip files nicely by Ionic located here called the DotNetZip Library. It's quite simple to use and works really well.

[jmcilhinney]

i see you imported it but i tried that and it doesn't work. what folder does it go in so I can import it. even your code example doesn't like it.

I didn't import anything and it doesn't have to go in any folder. As I said, you reference the DLL. Go to the References page of the project properties and add a reference. You can then navigate to the DLL wherever it is.