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>