1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206
|
' SharpZipLibrary samples
' Copyright (c) 2007, AlphaSierraPapa
' All rights reserved.
'
' Redistribution and use in source and binary forms, with or without modification, are
' permitted provided that the following conditions are met:
'
' - Redistributions of source code must retain the above copyright notice, this list
' of conditions and the following disclaimer.
'
' - Redistributions in binary form must reproduce the above copyright notice, this list
' of conditions and the following disclaimer in the documentation and/or other materials
' provided with the distribution.
'
' - Neither the name of the SharpDevelop team nor the names of its contributors may be used to
' endorse or promote products derived from this software without specific prior written
' permission.
'
' THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &AS IS& AND ANY EXPRESS
' OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
' AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
' CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
' DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
' DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
' IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
' OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Imports System
Imports System.Windows.Forms
Imports System.IO
Imports ICSharpCode.SharpZipLib.BZip2
Public Class MainForm
Inherits System.Windows.Forms.Form
Friend txtFileName As System.Windows.Forms.TextBox
Friend btnBrowseForBZ As System.Windows.Forms.Button
Friend Label1 As System.Windows.Forms.Label
Friend rdCompress As System.Windows.Forms.RadioButton
Friend GroupBox1 As System.Windows.Forms.GroupBox
Friend btnExecute As System.Windows.Forms.Button
Friend rdDecompress As System.Windows.Forms.RadioButton
#Region " Windows Form Designer generated code "
Public Shared Sub Main()
Dim fMainForm As New MainForm
fMainForm.ShowDialog
End Sub
Public Sub New()
MyBase.New()
'This call is required by the Windows Form Designer.
InitializeComponent
'Add any initialization after the InitializeComponent() call
End Sub
Private Sub InitializeComponent()
Me.rdDecompress = New System.Windows.Forms.RadioButton()
Me.btnExecute = New System.Windows.Forms.Button()
Me.GroupBox1 = New System.Windows.Forms.GroupBox()
Me.rdCompress = New System.Windows.Forms.RadioButton()
Me.Label1 = New System.Windows.Forms.Label()
Me.btnBrowseForBZ = New System.Windows.Forms.Button()
Me.txtFileName = New System.Windows.Forms.TextBox()
Me.GroupBox1.SuspendLayout()
Me.SuspendLayout()
'
'rdDecompress
'
Me.rdDecompress.Location = New System.Drawing.Point(8, 64)
Me.rdDecompress.Name = "rdDecompress"
Me.rdDecompress.Size = New System.Drawing.Size(104, 24)
Me.rdDecompress.TabIndex = 1
Me.rdDecompress.Text = "decompress"
'
'btnExecute
'
Me.btnExecute.Location = New System.Drawing.Point(216, 112)
Me.btnExecute.Name = "btnExecute"
Me.btnExecute.Size = New System.Drawing.Size(112, 22)
Me.btnExecute.TabIndex = 2
Me.btnExecute.Text = "Execute"
'
'GroupBox1
'
Me.GroupBox1.Controls.Add(Me.rdDecompress)
Me.GroupBox1.Controls.Add(Me.rdCompress)
Me.GroupBox1.Location = New System.Drawing.Point(8, 40)
Me.GroupBox1.Name = "GroupBox1"
Me.GroupBox1.Size = New System.Drawing.Size(160, 96)
Me.GroupBox1.TabIndex = 3
Me.GroupBox1.TabStop = False
Me.GroupBox1.Text = "Operation to perform"
'
'rdCompress
'
Me.rdCompress.Checked = True
Me.rdCompress.Location = New System.Drawing.Point(8, 32)
Me.rdCompress.Name = "rdCompress"
Me.rdCompress.Size = New System.Drawing.Size(104, 24)
Me.rdCompress.TabIndex = 0
Me.rdCompress.TabStop = True
Me.rdCompress.Text = "compress"
'
'Label1
'
Me.Label1.Location = New System.Drawing.Point(8, 16)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(72, 16)
Me.Label1.TabIndex = 4
Me.Label1.Text = "Filename:"
'
'btnBrowseForBZ
'
Me.btnBrowseForBZ.Location = New System.Drawing.Point(304, 16)
Me.btnBrowseForBZ.Name = "btnBrowseForBZ"
Me.btnBrowseForBZ.Size = New System.Drawing.Size(24, 22)
Me.btnBrowseForBZ.TabIndex = 5
Me.btnBrowseForBZ.Text = "..."
'
'txtFileName
'
Me.txtFileName.Location = New System.Drawing.Point(96, 16)
Me.txtFileName.Name = "txtFileName"
Me.txtFileName.Size = New System.Drawing.Size(200, 20)
Me.txtFileName.TabIndex = 0
'
'MainForm
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(344, 152)
Me.Controls.Add(Me.btnBrowseForBZ)
Me.Controls.Add(Me.Label1)
Me.Controls.Add(Me.GroupBox1)
Me.Controls.Add(Me.btnExecute)
Me.Controls.Add(Me.txtFileName)
Me.Name = "MainForm"
Me.Text = "Mini BZ2 Application"
Me.GroupBox1.ResumeLayout(False)
Me.ResumeLayout(False)
Me.PerformLayout()
End Sub
#End Region
Private Sub btnExecuteClick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExecute.Click
' Simple input sanity checks
If (0 = txtFileName.Text.Length) Then
MessageBox.Show("Please enter a file name", "File name is missing")
Return
End If
If Not File.Exists(txtFileName.Text) Then
MessageBox.Show(txtFileName.Text, "Cannot open file")
Return
End If
If (False = rdCompress.Checked) Then
' Decompression of single-file archive
Dim fsBZ2Archive As FileStream, fsOutput As FileStream
Dim strOutputFilename As String
fsBZ2Archive = File.OpenRead(txtFileName.Text)
strOutputFilename = Path.GetDirectoryName(txtFileName.Text) & _
Path.GetFileNameWithoutExtension(txtFileName.Text)
fsOutput = File.Create(strOutputFilename)
BZip2.Decompress(fsBZ2Archive, fsOutput)
fsBZ2Archive.Close()
fsOutput.Flush()
fsOutput.Close()
Else
'Compression of single-file archive
Dim fsInputFile As FileStream, fsBZ2Archive As FileStream
fsInputFile = File.OpenRead(txtFileName.Text)
fsBZ2Archive = File.Create(txtFileName.Text + ".bz")
BZip2.Compress(fsInputFile, fsBZ2Archive, 4026)
fsInputFile.Close()
' fsBZ2Archive.Flush() & fsBZ2Archive.Close() are automatically called by .Compress
End If
End Sub
Private Sub btnBrowseForBZClick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBrowseForBZ.Click
Dim ofn As New OpenFileDialog()
ofn.InitialDirectory = "c:\"
ofn.Filter = "BZ files (*.bz)|*.bz|All files (*.*)|*.*"
If (ofn.ShowDialog() = Windows.Forms.DialogResult.OK) Then
txtFileName.Text = ofn.FileName
End If
End Sub
End Class |
Partager