Vb compress make files

We must use CompressionMode. Compress to implement compression. These do correct cleanup of memory and system resources. NET program that compresses string to file Imports System.

IO Imports System. Compression Imports System. Compress, True ' Write. Write raw, 0, raw. Length End Using ' Return array. Count - 1. If lstFilePaths.

Items i. ToString Then. Show "That file has already been added to the list. Add txtAddFile. The next section of code is the Remove button's click event handler; this method allows the user to remove items from the listbox list after they have been added using the browse button and add button.

Object, ByVal e As. EventArgs Handles btnRemoveFile. Remove lstFilePaths. Catch ex As Exception. Show ex. Message, "Error". End Try. Next up is a button event handler that uses the Folder Browser Dialog control to help the user to specify a destination path for the finished zip file. EventArgs Handles btnSaveBrowse. Dim result As DialogResult. OK Then. The next button click event handler contains the code used to gather up the marked files and zip them up to the destination folder set.

The code will gather up the identified files, copy the files to a temporary folder inside the destination folder, zip them up, and then remove the temporary folder. This code is also annotated and you may review the notes that are contained within the code block, to read a description of what is happening at each stage in the progress. EventArgs Handles btnSave. Show "There are no files queued for the zip operation" , "Empty File Set".

If txtSaveTo. Show "No destination file has been defined. Length - 1. New FileInfo txtSaveTo. If fi. Exists Then. Append "You may rename it in the save to text box. Show sb. ToString , "Existing File Name". Message, "File Error".

If Not System. A reference needs to be added to the project in order to activate "System. This is not obvious to many new VS users, and unless the refrence is added, it indeed seems like "System. Compression" does not work in NET 4. In this case, the reference that needs to be added is System. Filesystem v4. One may also wish to add the reference: System. IO; using System. And puts it in a specifed folder zipPath ZipFile.

Simply you can do it using Ionic. Same challenges as "an odder guest". That is can't commment due to low rep as new user and have to add a new answer. Frequent reader though. Running on vb. Net 4. Then after some googling added references System. Filesystem and System. Compression and ended up with the following one-liner:.

Sorry if you think my input is redundant, but I know for newcommers like my self we need the answers feed with tee spoons. Word of caution: If you try to create the zip-file in the source folder you might have issues. My code then only included one of the files from the source folder in the zip-file.

No error messages. Extracts all the files in the specified zip archive to a directory on the file system and uses the specified character encoding for entry names. Opens a zip archive at the specified path, in the specified mode, and by using the specified character encoding for entry names.

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