C #: SevenZipSharp uses 7z. dll for compression and decompression

1. Click the address above to open the download page.

2. Click "normal download"-Wait for 30 seconds-click "Download"-save

The program runs as follows:

Use 7z. dll to decompress the file

Select where to decompress

Decompress the package.

Add the file to be compressed

Select save path

After compression is completed.

Main source program:

[Csharp]
/*
* Created by SharpDevelop.
* User: Administrator
* Date: 2012/10/29
* Time: 16: 13
*
* To change this template use Tools | Options | Coding | Edit Standard Headers.
*/
Using System;
Using System. Collections. Generic;
Using System. Drawing;
Using System. Windows. Forms;
 
Using SevenZip;
Using SevenZipSharp;
 
Namespace SevenZipSharp
{
/// <Summary>
/// Description of MainForm.
/// </Summary>
Public partial class MainForm: Form
{
SevenZip. SevenZipExtractor extractor = null;
SevenZipCompressor compressor = new SevenZipCompressor ();

Public MainForm ()
{
//
// The InitializeComponent () call is required for Windows Forms designer support.
//
InitializeComponent ();

//
// TODO: Add constructor code after the InitializeComponent () call.
//
This. label1.Text = "Please choose a archive to extract at first .";
This. label5.Text = "0 ";
This. label2.Text = "";
This. label3.Text = "";
This. listBox1.Items. Clear ();
This. listBox2.Items. Clear ();
}

Void ShowException (string msg ){
MessageBox. Show (msg, "Exception! ", MessageBoxButtons. OK, MessageBoxIcon. Exclamation );
}

Void ShowInformation (string msg ){
MessageBox. Show (msg, "Information! ", MessageBoxButtons. OK, MessageBoxIcon. Information );
}

Void BtnBrowseCompressedFileClick (object sender, EventArgs e)
{
Try {
OpenFileDialog ofd = new OpenFileDialog ();
Ofd. Filter = "ZIP File (*. zip) | *. zip | RAR File (*. rar) | *. rar ";
If (ofd. ShowDialog () = DialogResult. OK ){
String archiveFullName = ofd. FileName;
Extractor = new SevenZipExtractor (archiveFullName );
Extractor. ExtractionFinished + = delegate {
This. label1.Text = "Extraction Finished .";
};
Extractor. Extracting + = delegate {
This. label1.Text = "Extracting, please wait ...";
};
Extractor. FileExtractionStarted + = delegate {
This. label1.Text = "Start extracting ...";
};

This. label5.Text = extractor. FilesCount. ToString ();
This. label2.Text = extractor. PackedSize. ToString () + "bytes ";
This. listBox1.Items. Clear ();
Foreach (string fileName in extractor. ArchiveFileNames ){
This. listBox1.Items. Add (fileName );
}
}
} Catch (Exception ex ){
ShowException (ex. Message );
}
}

Void BtnExtractClick (object sender, EventArgs e)
{
Try {
FolderBrowserDialog fbd = new FolderBrowserDialog ();
If (fbd. ShowDialog () = DialogResult. OK ){
Extractor. ExtractArchive (fbd. SelectedPath );
}
Extractor. Dispose ();
Extractor = null;
} Catch (Exception ex ){
ShowException (ex. Message );
}
}

Void MainFormFormClosing (object sender, FormClosingEventArgs e)
{
If (extractor! = Null)
Extractor. Dispose ();
}

Void BtnAddFileClick (object sender, EventArgs e)
{
Try {
OpenFileDialog ofd = new OpenFileDialog ();
Ofd. Filter = "All Files (*. *) | *.*";
If (ofd. ShowDialog () = DialogResult. OK ){
This. listBox2.Items. Add (ofd. FileName );
}
} Catch (Exception ex ){
ShowException (ex. Message );
}
}

Void BtnRemoveFileClick (object sender, EventArgs e)
{
Try {
If (this. listBox2.SelectedItem! = Null ){
Int index = this. listBox2.SelectedIndex;
This. listBox2.Items. RemoveAt (index );
}
} Catch (Exception ex ){
ShowException (ex. Message );
}
}

Void BtnCompressClick (object sender, EventArgs e)
{
Try {
String archiveName = string. Empty;
SaveFileDialog sfd = new SaveFileDialog ();
Sfd. Filter = "ZIP File (*. zip) | *. zip | RAR File (*. rar) | *. rar ";
If (sfd. ShowDialog () = DialogResult. OK ){
ArchiveName = sfd. FileName;

String [] fileFullNames = new string [this. listBox2.Items. Count];
Int I = 0;
Foreach (object o in this. listBox2.Items ){
FileFullNames [I ++] = o. ToString ();
}

Compressor. FileCompressionStarted + = delegate {
This. label3.Text = "Start compressing ...";
};
Compressor. FileCompressionFinished + = delegate {
This. label3.Text = "Finish compressing .";
};
Compressor. CompressFiles (archiveName, fileFullNames );
ShowInformation ("Compressiong Finished! ");
}
} Catch (Exception ex ){
ShowException (ex. Message );
}
}
}
}