VB.Net Tutorial/Development/Resources File
Resource File reader
<source lang="vbnet">" Quote from "Windows Forms Programming in VB "by Chris Sells (Author), Justin Gehtland (Author) "Publisher: Addison-Wesley Professional; 1st edition (October 24, 2003) "Language: English "ISBN-10: 0321125193 "ISBN-13: 978-0321125194
Imports System Imports System.Drawing Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.IO " FileStream Imports System.Reflection " Assembly Imports System.Resources " Resource readers public class TEst
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class Public Class Form1
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
"This call is required by the Windows Form Designer.
InitializeComponent()
"Add any initialization after the InitializeComponent() call
End Sub
"Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
"Required by the Windows Form Designer
Private components As System.ruponentModel.IContainer
"NOTE: The following procedure is required by the Windows Form Designer
"It can be modified using the Windows Form Designer.
"Do not modify it using the code editor.
Friend WithEvents fileOpenMenuItem As System.Windows.Forms.MenuItem
Friend WithEvents helpAboutMenuItem As System.Windows.Forms.MenuItem
Friend WithEvents statusBar1 As System.Windows.Forms.StatusBar
Friend WithEvents menuItem5 As System.Windows.Forms.MenuItem
Friend WithEvents fileExitMenuItem As System.Windows.Forms.MenuItem
Friend WithEvents openFileDialog1 As System.Windows.Forms.OpenFileDialog
Friend WithEvents mainMenu1 As System.Windows.Forms.MainMenu
Friend WithEvents menuItem1 As System.Windows.Forms.MenuItem
Friend WithEvents menuItem3 As System.Windows.Forms.MenuItem
Friend WithEvents resourcesTreeView As System.Windows.Forms.TreeView
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.fileOpenMenuItem = New System.Windows.Forms.MenuItem()
Me.helpAboutMenuItem = New System.Windows.Forms.MenuItem()
Me.statusBar1 = New System.Windows.Forms.StatusBar()
Me.menuItem5 = New System.Windows.Forms.MenuItem()
Me.fileExitMenuItem = New System.Windows.Forms.MenuItem()
Me.openFileDialog1 = New System.Windows.Forms.OpenFileDialog()
Me.mainMenu1 = New System.Windows.Forms.MainMenu()
Me.menuItem1 = New System.Windows.Forms.MenuItem()
Me.menuItem3 = New System.Windows.Forms.MenuItem()
Me.resourcesTreeView = New System.Windows.Forms.TreeView()
Me.SuspendLayout()
"
"fileOpenMenuItem
"
Me.fileOpenMenuItem.Index = 0
Me.fileOpenMenuItem.Shortcut = System.Windows.Forms.Shortcut.CtrlO
Me.fileOpenMenuItem.Text = "&Open..."
"
"helpAboutMenuItem
"
Me.helpAboutMenuItem.Index = 0
Me.helpAboutMenuItem.Text = "&About..."
"
"statusBar1
"
Me.statusBar1.Location = New System.Drawing.Point(0, 192)
Me.statusBar1.Name = "statusBar1"
Me.statusBar1.Size = New System.Drawing.Size(472, 22)
Me.statusBar1.TabIndex = 3
"
"menuItem5
"
Me.menuItem5.Index = 1
Me.menuItem5.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.helpAboutMenuItem})
Me.menuItem5.Text = "&Help"
"
"fileExitMenuItem
"
Me.fileExitMenuItem.Index = 2
Me.fileExitMenuItem.Text = "E&xit"
"
"openFileDialog1
"
Me.openFileDialog1.Filter = "Resource Files (*.exe, *.dll, *.resx, *.resources)|*.exe;*.dll;*.resx;*.resources" & _
"|All Files (*.*)|*.*"
"
"mainMenu1
"
Me.mainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.menuItem1, Me.menuItem5})
"
"menuItem1
"
Me.menuItem1.Index = 0
Me.menuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.fileOpenMenuItem, Me.menuItem3, Me.fileExitMenuItem})
Me.menuItem1.Text = "&File"
"
"menuItem3
"
Me.menuItem3.Index = 1
Me.menuItem3.Text = "-"
"
"resourcesTreeView
"
Me.resourcesTreeView.Dock = System.Windows.Forms.DockStyle.Fill
Me.resourcesTreeView.ImageIndex = -1
Me.resourcesTreeView.Name = "resourcesTreeView"
Me.resourcesTreeView.SelectedImageIndex = -1
Me.resourcesTreeView.Size = New System.Drawing.Size(472, 214)
Me.resourcesTreeView.Sorted = True
Me.resourcesTreeView.TabIndex = 2
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(472, 214)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.statusBar1, Me.resourcesTreeView})
Me.Menu = Me.mainMenu1
Me.Name = "Form1"
Me.Text = "Resource Explorer"
Me.ResumeLayout(False)
End Sub
- End Region
Sub LoadResourcesFromFile(ByVal fileName As String)
resourcesTreeView.Nodes.Clear()
Dim root As TreeNode = resourcesTreeView.Nodes.Add(Path.GetFileName(fileName))
Select Case System.IO.Path.GetExtension(fileName).ToLower()
Case ".exe", ".dll"
LoadResourcesFromAssemblyFile(root, fileName)
Case ".resx"
LoadResourcesFromResxFile(root, fileName)
Case ".resources"
LoadResourcesFromResourcesFile(root, fileName)
Case Else
MessageBox.Show("Unknown file format")
End Select
root.Expand()
End Sub
Sub LoadResourcesFromAssemblyFile(ByVal parent As TreeNode, ByVal fileName As String)
Dim assem As [Assembly] = [Assembly].LoadFrom(fileName)
Dim resourceName As String
For Each resourceName In assem.GetManifestResourceNames
Dim node As TreeNode = parent.Nodes.Add(resourceName)
If resourceName.ToLower().EndsWith(".resources") Then
Dim s As Stream = assem.GetManifestResourceStream(resourceName)
LoadResourcesFromResourcesStream(node, s)
s.Close()
End If
Next
End Sub
Sub LoadResourcesFromResxFile(ByVal parent As TreeNode, ByVal fileName As String)
Dim reader As ResXResourceReader = New ResXResourceReader(fileName)
Dim entry As DictionaryEntry
For Each entry In reader
Dim node As TreeNode = parent.Nodes.Add(String.Format("{0} ({1})", entry.Key.ToString(), entry.Value.GetType()))
node.Tag = entry.Value
Next
reader.Close()
End Sub
Sub LoadResourcesFromResourcesFile(ByVal parent As TreeNode, ByVal fileName As String)
Dim s As FileStream = New FileStream(fileName, FileMode.Open, FileAccess.Read)
LoadResourcesFromResourcesStream(parent, s)
s.Close()
End Sub
Sub LoadResourcesFromResourcesStream(ByVal parent As TreeNode, ByVal s As Stream)
Dim reader As ResourceReader = New ResourceReader(s)
Dim entry As DictionaryEntry
For Each entry In reader
Dim node As TreeNode = parent.Nodes.Add(String.Format("{0} ({1})", entry.Key.ToString(), IIf(Not entry.Value Is Nothing, entry.Value.GetType().ToString(), "<none>")))
node.Tag = entry.Value
Next
reader.Close()
End Sub
Sub ShowSelectedNode()
Dim node As TreeNode = resourcesTreeView.SelectedNode
If node Is Nothing Then Exit Sub
End Sub
Private Sub fileOpenMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles fileOpenMenuItem.Click
If openFileDialog1.ShowDialog = DialogResult.OK Then
LoadResourcesFromFile(openFileDialog1.FileName)
End If
End Sub
Private Sub resourcesTreeView_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles resourcesTreeView.DoubleClick
ShowSelectedNode()
End Sub
Private Sub resourcesTreeView_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles resourcesTreeView.KeyDown
If Me Is Form.ActiveForm And (e.KeyCode And Keys.Enter = Keys.Enter) Then ShowSelectedNode()
End Sub
Private Sub resourcesTreeView_AfterSelect(ByVal sender As Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles resourcesTreeView.AfterSelect
statusBar1.Text = ""
Dim node As TreeNode = resourcesTreeView.SelectedNode
If node Is Nothing Then Exit Sub
Dim value As Object = node.Tag
If value Is Nothing Then Exit Sub
statusBar1.Text = value.ToString()
End Sub
End Class</source>
