VB.Net/GUI/Control Inheritance
Add components to inherited form
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Public Class BaseForm
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 menuItem1 As System.Windows.Forms.MenuItem Friend WithEvents fileExitMenuItem As System.Windows.Forms.MenuItem Protected WithEvents statusBar As System.Windows.Forms.StatusBar Friend WithEvents menuItem3 As System.Windows.Forms.MenuItem Friend WithEvents helpAboutMenuItem As System.Windows.Forms.MenuItem Friend WithEvents mainMenu1 As System.Windows.Forms.MainMenu <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.menuItem1 = New System.Windows.Forms.MenuItem() Me.fileExitMenuItem = New System.Windows.Forms.MenuItem() Me.statusBar = New System.Windows.Forms.StatusBar() Me.menuItem3 = New System.Windows.Forms.MenuItem() Me.helpAboutMenuItem = New System.Windows.Forms.MenuItem() Me.mainMenu1 = New System.Windows.Forms.MainMenu() Me.SuspendLayout() " "menuItem1 " Me.menuItem1.Index = 0 Me.menuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.fileExitMenuItem}) Me.menuItem1.Text = "&File" " "fileExitMenuItem " Me.fileExitMenuItem.Index = 0 Me.fileExitMenuItem.Text = "E&xit" " "statusBar " Me.statusBar.Location = New System.Drawing.Point(0, 72) Me.statusBar.Name = "statusBar" Me.statusBar.Size = New System.Drawing.Size(176, 22) Me.statusBar.TabIndex = 1 Me.statusBar.Text = "Ready" " "menuItem3 " Me.menuItem3.Index = 1 Me.menuItem3.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.helpAboutMenuItem}) Me.menuItem3.Text = "&Help" " "helpAboutMenuItem " Me.helpAboutMenuItem.Index = 0 Me.helpAboutMenuItem.Text = "&About..." " "mainMenu1 " Me.mainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.menuItem1, Me.menuItem3}) " "BaseForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(176, 94) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.statusBar}) Me.Menu = Me.mainMenu1 Me.Name = "BaseForm" Me.Text = "BaseForm" Me.ResumeLayout(False) End Sub
- End Region
Private Sub fileExitMenuItem_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles fileExitMenuItem.Click Me.Close() End Sub Private Sub helpAboutMenuItem_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles helpAboutMenuItem.Click MessageBox.Show("Message?", "About") End Sub
End Class
Public Class ExplorerForm
Inherits BaseForm
- 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 treeView1 As System.Windows.Forms.TreeView Friend WithEvents splitter1 As System.Windows.Forms.Splitter Friend WithEvents listView1 As System.Windows.Forms.ListView <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Dim ListViewItem1 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem(New System.Windows.Forms.ListViewItem.ListViewSubItem() {New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing, "-Derives from BaseForm", System.Drawing.SystemColors.WindowText, System.Drawing.SystemColors.Window, New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)))}, -1) Dim ListViewItem2 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem(New System.Windows.Forms.ListViewItem.ListViewSubItem() {New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing, "-Overrides Text property", System.Drawing.SystemColors.WindowText, System.Drawing.SystemColors.Window, New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)))}, -1) Dim ListViewItem3 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem(New System.Windows.Forms.ListViewItem.ListViewSubItem() {New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing, "-Overrides Size property", System.Drawing.SystemColors.WindowText, System.Drawing.SystemColors.Window, New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)))}, -1) Dim ListViewItem4 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem(New System.Windows.Forms.ListViewItem.ListViewSubItem() {New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing, "-Adds a TreeView control", System.Drawing.SystemColors.WindowText, System.Drawing.SystemColors.Window, New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)))}, -1) Dim ListViewItem5 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem(New System.Windows.Forms.ListViewItem.ListViewSubItem() {New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing, "-Adds a Splitter control", System.Drawing.SystemColors.WindowText, System.Drawing.SystemColors.Window, New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)))}, -1) Dim ListViewItem6 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem(New System.Windows.Forms.ListViewItem.ListViewSubItem() {New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing, "-Adds a ListView control", System.Drawing.SystemColors.WindowText, System.Drawing.SystemColors.Window, New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)))}, -1) Me.treeView1 = New System.Windows.Forms.TreeView() Me.splitter1 = New System.Windows.Forms.Splitter() Me.listView1 = New System.Windows.Forms.ListView() Me.SuspendLayout() " "statusBar " Me.statusBar.Location = New System.Drawing.Point(0, 123) Me.statusBar.Size = New System.Drawing.Size(280, 22) Me.statusBar.Visible = True " "treeView1 " Me.treeView1.Dock = System.Windows.Forms.DockStyle.Left Me.treeView1.ImageIndex = -1 Me.treeView1.Name = "treeView1" Me.treeView1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node0"), New System.Windows.Forms.TreeNode("Node1", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node4", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node5", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node6")})})}), New System.Windows.Forms.TreeNode("Node2"), New System.Windows.Forms.TreeNode("Node3")}) Me.treeView1.SelectedImageIndex = -1 Me.treeView1.Size = New System.Drawing.Size(121, 123) Me.treeView1.TabIndex = 2 " "splitter1 " Me.splitter1.Location = New System.Drawing.Point(121, 0) Me.splitter1.Name = "splitter1" Me.splitter1.Size = New System.Drawing.Size(3, 123) Me.splitter1.TabIndex = 3 Me.splitter1.TabStop = False " "listView1 " Me.listView1.Dock = System.Windows.Forms.DockStyle.Fill Me.listView1.Items.AddRange(New System.Windows.Forms.ListViewItem() {ListViewItem1, ListViewItem2, ListViewItem3, ListViewItem4, ListViewItem5, ListViewItem6}) Me.listView1.Location = New System.Drawing.Point(124, 0) Me.listView1.Name = "listView1" Me.listView1.Size = New System.Drawing.Size(156, 123) Me.listView1.TabIndex = 4 Me.listView1.View = System.Windows.Forms.View.List " "ExplorerForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(280, 145) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.listView1, Me.splitter1, Me.treeView1, Me.statusBar}) Me.Name = "ExplorerForm" Me.ResumeLayout(False) End Sub
- End Region
End Class
Public Class MainClass
Shared Sub Main() Dim myform As Form = New ExplorerForm() Application.Run(myform) End Sub
End Class
</source>
Inherits from Base Form
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Public Class BaseForm
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 menuItem1 As System.Windows.Forms.MenuItem Friend WithEvents fileExitMenuItem As System.Windows.Forms.MenuItem Protected WithEvents statusBar As System.Windows.Forms.StatusBar Friend WithEvents menuItem3 As System.Windows.Forms.MenuItem Friend WithEvents helpAboutMenuItem As System.Windows.Forms.MenuItem Friend WithEvents mainMenu1 As System.Windows.Forms.MainMenu <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.menuItem1 = New System.Windows.Forms.MenuItem() Me.fileExitMenuItem = New System.Windows.Forms.MenuItem() Me.statusBar = New System.Windows.Forms.StatusBar() Me.menuItem3 = New System.Windows.Forms.MenuItem() Me.helpAboutMenuItem = New System.Windows.Forms.MenuItem() Me.mainMenu1 = New System.Windows.Forms.MainMenu() Me.SuspendLayout() " "menuItem1 " Me.menuItem1.Index = 0 Me.menuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.fileExitMenuItem}) Me.menuItem1.Text = "&File" " "fileExitMenuItem " Me.fileExitMenuItem.Index = 0 Me.fileExitMenuItem.Text = "E&xit" " "statusBar " Me.statusBar.Location = New System.Drawing.Point(0, 72) Me.statusBar.Name = "statusBar" Me.statusBar.Size = New System.Drawing.Size(176, 22) Me.statusBar.TabIndex = 1 Me.statusBar.Text = "Ready" " "menuItem3 " Me.menuItem3.Index = 1 Me.menuItem3.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.helpAboutMenuItem}) Me.menuItem3.Text = "&Help" " "helpAboutMenuItem " Me.helpAboutMenuItem.Index = 0 Me.helpAboutMenuItem.Text = "&About..." " "mainMenu1 " Me.mainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.menuItem1, Me.menuItem3}) " "BaseForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(176, 94) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.statusBar}) Me.Menu = Me.mainMenu1 Me.Name = "BaseForm" Me.Text = "BaseForm" Me.ResumeLayout(False) End Sub
- End Region
Private Sub fileExitMenuItem_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles fileExitMenuItem.Click Me.Close() End Sub Private Sub helpAboutMenuItem_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles helpAboutMenuItem.Click MessageBox.Show("Message?", "About") End Sub
End Class
Public Class EditorForm
Inherits BaseForm
- 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 textBox1 As System.Windows.Forms.TextBox <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.textBox1 = New System.Windows.Forms.TextBox() Me.SuspendLayout() " "statusBar " Me.statusBar.Location = New System.Drawing.Point(0, 71) Me.statusBar.Text = "Text on a status bar" Me.statusBar.Visible = True " "textBox1 " Me.textBox1.Dock = System.Windows.Forms.DockStyle.Fill Me.textBox1.Multiline = True Me.textBox1.Name = "textBox1" Me.textBox1.Size = New System.Drawing.Size(176, 71) Me.textBox1.TabIndex = 2 Me.textBox1.Text = "Text in a text box." " "EditorForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(176, 93) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.textBox1, Me.statusBar}) Me.Name = "EditorForm" Me.Text = "EditorForm" Me.ResumeLayout(False) End Sub
- End Region
End Class
Public Class MainClass
Shared Sub Main() Dim myform As Form = New EditorForm() Application.Run(myform) End Sub
End Class
</source>