forked from KolibriOS/kolibrios
323 lines
9.9 KiB
C#
323 lines
9.9 KiB
C#
#region README
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//_____________________________________________________________________________
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//
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//Sample C# code, .NET Framework 1.1, contributed to the Info-Zip project by
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//Adrian Maull, April 2005.
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//
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//If you have questions or comments, contact me at adrian.maull@sprintpcs.com. Though
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//I will try to respond to coments/questions, I do not guarantee such response.
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//
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//THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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//KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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//IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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//PARTICULAR PURPOSE.
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//
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//_____________________________________________________________________________
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#endregion
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using System;
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using System.Drawing;
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using System.Collections;
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using System.ComponentModel;
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using System.Windows.Forms;
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using System.Data;
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namespace CSharpInfoZip_UnZipSample
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{
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/// <summary>
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/// Summary description for Form1.
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/// </summary>
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public class Form1 : System.Windows.Forms.Form
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{
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private System.Windows.Forms.Button btnUnzipArchive;
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private System.Windows.Forms.OpenFileDialog openFileDialog1;
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private System.Windows.Forms.Label label1;
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private System.Windows.Forms.TextBox textBox1;
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private System.Windows.Forms.Label lblProgress;
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private System.Windows.Forms.ProgressBar prgBar;
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//Define the Unzip object
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Unzip m_Unzip = new Unzip();
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private ulong m_CurrentSize;
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private System.Windows.Forms.Button btnListZipFiles;
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private CheckBox chkOverwriteAll;
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/// <summary>
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/// Required designer variable.
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/// </summary>
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private System.ComponentModel.Container components = null;
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public Form1()
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{
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//
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// Required for Windows Form Designer support
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//
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InitializeComponent();
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//
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// TODO: Add any constructor code after InitializeComponent call
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//
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}
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/// <summary>
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/// Clean up any resources being used.
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/// </summary>
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protected override void Dispose( bool disposing )
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{
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if( disposing )
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{
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if (components != null)
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{
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components.Dispose();
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}
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}
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base.Dispose( disposing );
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}
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#region Windows Form Designer generated code
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/// <summary>
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/// Required method for Designer support - do not modify
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/// the contents of this method with the code editor.
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/// </summary>
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private void InitializeComponent()
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{
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this.btnUnzipArchive = new System.Windows.Forms.Button();
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this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
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this.label1 = new System.Windows.Forms.Label();
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this.textBox1 = new System.Windows.Forms.TextBox();
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this.lblProgress = new System.Windows.Forms.Label();
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this.prgBar = new System.Windows.Forms.ProgressBar();
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this.btnListZipFiles = new System.Windows.Forms.Button();
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this.chkOverwriteAll = new System.Windows.Forms.CheckBox();
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this.SuspendLayout();
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//
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// btnUnzipArchive
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//
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this.btnUnzipArchive.Location = new System.Drawing.Point(8, 24);
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this.btnUnzipArchive.Name = "btnUnzipArchive";
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this.btnUnzipArchive.Size = new System.Drawing.Size(96, 24);
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this.btnUnzipArchive.TabIndex = 0;
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this.btnUnzipArchive.Text = "Unzip archive...";
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this.btnUnzipArchive.Click += new System.EventHandler(this.btnUnzipArchive_Click);
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//
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// label1
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//
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this.label1.Location = new System.Drawing.Point(8, 64);
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this.label1.Name = "label1";
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this.label1.Size = new System.Drawing.Size(184, 16);
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this.label1.TabIndex = 1;
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this.label1.Text = "Unzip DLL Print callback message:";
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//
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// textBox1
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//
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this.textBox1.Location = new System.Drawing.Point(8, 80);
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this.textBox1.Multiline = true;
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this.textBox1.Name = "textBox1";
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this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
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this.textBox1.Size = new System.Drawing.Size(464, 120);
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this.textBox1.TabIndex = 2;
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//
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// lblProgress
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//
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this.lblProgress.Location = new System.Drawing.Point(8, 208);
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this.lblProgress.Name = "lblProgress";
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this.lblProgress.Size = new System.Drawing.Size(216, 16);
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this.lblProgress.TabIndex = 3;
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//
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// prgBar
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//
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this.prgBar.Location = new System.Drawing.Point(8, 224);
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this.prgBar.Name = "prgBar";
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this.prgBar.Size = new System.Drawing.Size(216, 16);
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this.prgBar.TabIndex = 4;
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//
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// btnListZipFiles
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//
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this.btnListZipFiles.Location = new System.Drawing.Point(120, 24);
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this.btnListZipFiles.Name = "btnListZipFiles";
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this.btnListZipFiles.Size = new System.Drawing.Size(96, 24);
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this.btnListZipFiles.TabIndex = 5;
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this.btnListZipFiles.Text = "List zip files...";
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this.btnListZipFiles.Click += new System.EventHandler(this.btnListZipFiles_Click);
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//
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// chkOverwriteAll
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//
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this.chkOverwriteAll.AutoSize = true;
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this.chkOverwriteAll.Location = new System.Drawing.Point(255, 29);
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this.chkOverwriteAll.Name = "chkOverwriteAll";
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this.chkOverwriteAll.Size = new System.Drawing.Size(177, 17);
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this.chkOverwriteAll.TabIndex = 6;
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this.chkOverwriteAll.Text = "Overwrite all files without prompt";
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this.chkOverwriteAll.UseVisualStyleBackColor = true;
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//
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// Form1
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//
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this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
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this.ClientSize = new System.Drawing.Size(480, 254);
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this.Controls.Add(this.chkOverwriteAll);
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this.Controls.Add(this.btnListZipFiles);
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this.Controls.Add(this.prgBar);
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this.Controls.Add(this.lblProgress);
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this.Controls.Add(this.textBox1);
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this.Controls.Add(this.label1);
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this.Controls.Add(this.btnUnzipArchive);
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this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
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this.MaximizeBox = false;
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this.MinimizeBox = false;
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this.Name = "Form1";
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this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
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this.Text = "Form1";
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this.ResumeLayout(false);
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this.PerformLayout();
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}
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#endregion
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/// <summary>
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/// The main entry point for the application.
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/// </summary>
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[STAThread]
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static void Main()
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{
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Application.Run(new Form1());
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}
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#region Event Handlers
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private void btnUnzipArchive_Click(object sender, System.EventArgs e)
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{
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openFileDialog1.ShowDialog();
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string file = openFileDialog1.FileName;
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if (file == null | file == string.Empty) return;
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//Clear the DLL messages output area
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m_CurrentSize = 0;
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prgBar.Value = prgBar.Minimum;
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lblProgress.Text = "";
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textBox1.Text = "";
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//Instantiate the Unzip object
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m_Unzip = new Unzip();
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//NOTE:
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//There are many unzip options. This sample just demonstrates basic unzip options.
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//Consult the InfoZip documentation for more option information.
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//Set the Unzip object properties
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m_Unzip.ZipFileName = file;
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m_Unzip.HonorDirectories = HonorDirectoriesEnum.True;
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m_Unzip.ExtractOrList = ExtractOrListEnum.Extract;
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//This option sets the DLL to display only the archive comment and
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//then exit immediately.
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//m_Unzip.DisplayComment = DisplayCommentEnum.True;
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//This option switches the DLL into "verbose ZipInfo" mode. The
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//DLL extracts nothing, but instead prints out a verbose technical list
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//of the content of the Zip archive central directory.
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//This option works now, but gets terribly slow when applied to archives
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//with a large number of entries.
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//m_Unzip.VerboseZI = VerboseZIEnum.True;
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if (chkOverwriteAll.Checked)
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{
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m_Unzip.OverWriteFiles = OverWriteFilesEnum.True;
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m_Unzip.PromptToOverWrite = PromptToOverWriteEnum.NotRequired;
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}
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else
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{
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m_Unzip.OverWriteFiles = OverWriteFilesEnum.False;
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m_Unzip.PromptToOverWrite = PromptToOverWriteEnum.Required;
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}
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//NOTE:
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//Directory where the unzipped files are stored. Change this as appropriate
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m_Unzip.ExtractDirectory = @"c:\temp\unzip";
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//Wire the event handlers to receive the events from the Unzip class
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m_Unzip.ReceivePrintMessage +=new UnZipDLLPrintMessageEventHandler(unZip_ReceivePrintMessage);
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m_Unzip.ReceiveServiceMessage +=new UnZipDLLServiceMessageEventHandler(unZip_ReceiveServiceMessage);
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//Unzip the files
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int ret = m_Unzip.UnZipFiles();
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//Examine the return code
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MessageBox.Show("Done. Return Code: " + ret.ToString());
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}
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private void btnListZipFiles_Click(object sender, System.EventArgs e)
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{
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openFileDialog1.ShowDialog();
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string file = openFileDialog1.FileName;
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if (file == null | file == string.Empty) return;
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//Clear the DLL messages output area
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prgBar.Value = prgBar.Minimum;
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lblProgress.Text = "";
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textBox1.Text = "";
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//Instantiate the Unzip object
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m_Unzip = new Unzip();
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//NOTE:
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//There are many unzip options. This sample just demonstrates basic unzip options.
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//Consult the InfoZip documentation for more option information.
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//Set the Unzip object properties
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m_Unzip.ZipFileName = file;
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m_Unzip.HonorDirectories = HonorDirectoriesEnum.True;
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m_Unzip.ExtractOrList = ExtractOrListEnum.ListContents;
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//Wire the event handlers to receive the events from the Unzip class
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m_Unzip.ReceivePrintMessage +=new UnZipDLLPrintMessageEventHandler(unZip_ReceivePrintMessage);
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m_Unzip.ReceiveServiceMessage +=new UnZipDLLServiceMessageEventHandler(unZip_ReceiveServiceMessage);
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//Unzip the files
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ZipFileEntries zfes = m_Unzip.GetZipFileContents();
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//Show the file contents
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frmShowContents frm = new frmShowContents();
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frm.UnzippedFileCollection = zfes;
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//WORK AROUND:
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frm.Comment = m_Unzip.GetZipFileComment();
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frm.ShowDialog(this);
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//Examine the return code
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MessageBox.Show("Done.");
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}
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private void unZip_ReceivePrintMessage(object sender, UnZipDLLPrintMessageEventArgs e)
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{
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textBox1.Text += e.PrintMessage.Replace("\n", Environment.NewLine);
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Application.DoEvents();
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}
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private int unZip_ReceiveServiceMessage(object sender, UnZipDLLServiceMessageEventArgs e)
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{
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m_CurrentSize += e.SizeOfFileEntry;
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prgBar.Value = Convert.ToInt32(100 * Convert.ToDouble(m_CurrentSize)
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/ Convert.ToDouble(e.ZipFileSize));
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lblProgress.Text = "Unzipping " + m_CurrentSize.ToString("N0") + " of " +
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e.ZipFileSize.ToString("N0") + " bytes.";
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Application.DoEvents();
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return 0;
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}
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#endregion
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}
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}
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